Dolomitic-concretions-in-the-Eocene-Sobrarbe-delta-Spanish-Pyrenees-Fluid-circulation-above-a

冰冻浓缩效应绿色合成英文The "cryo-concentration effect" refers to the processin which a liquid mixture is cooled to a temperature below the freezing point of the solvent, causing the formation of ice crystals. This results in the separation of the solvent from the solute, leading to a more concentrated solution. The cryo-concentration effect is often utilized in various industries, such as the food and beverage industry, for the production of concentrated juices and other liquid products.On the other hand, "green synthesis" refers to the development of chemical processes for the production of various compounds and materials that are environmentally friendly. This approach aims to minimize the use of hazardous substances, reduce waste generation, and promote sustainable practices. Green synthesis methods ofteninvolve the use of renewable resources, non-toxic solvents, and energy-efficient processes.In summary, the "cryo-concentration effect" involvesthe separation and concentration of a liquid mixture through freezing, while "green synthesis" pertains to the environmentally friendly production of compounds and materials. Both concepts are important in their respective fields and contribute to sustainable and responsible manufacturing practices.。

【矿产资源】贵州安龙笃山饰面用白云质灰岩矿（白木纹）矿床地质特征及开发利用浅析罗召珉1，吕天权2,3，柏苏晋2(1.贵州省普安县自然资源局，贵州 普安　561500；2.贵州省地矿局地球物理地球化学勘查院，贵州 兴义　562400；3.贵州省地质矿产勘查开发局106地质大队，贵州 遵义　563000))【摘　要】贵州安龙笃山饰面用白云质灰岩矿为中型规模饰面用白云质灰岩矿床。

通过收集、整理矿区已有的勘查、开发等资料，并结合实地勘察和样品采集等工作，分析了区内饰面用白云质灰岩矿床地质特征及加工技术性能，评价了其开发利用前景，旨在为该区域寻找类似的白木纹饰面用灰岩矿提供借鉴。

【关键词】饰面用白云质灰岩矿；地质特征；开发利用；贵州安龙【中图分类号】P619.225 【文献标识码】A 【文章编号】1007-9386(2023)06-0056-04Geological Characteristics and Development Utilization of Mineral Deposits about Dolomitic Limestone Ore (White Wood Grain) for Decorative Use of inAnlong Dushan, GuizhouLUO Zhao-min 1, LV Tian-quan 2,3, BAI Su-jin 2(1.Natural Resources Bureau of Pu'an County, Guizhou Province, Puan 561500, China; 2.Geophysical and Geochemical Exploration Institute of Guizhou Provincial Bureau of Geology and Mineral Resources, Xingyi 562400, China; 3.106 Geological Brigade ofGuizhou Geological and Mineral Exploration and Development Bureau, Zunyi 563000, China)Abstract: The dolomitic limestone deposit for decorative purposes located in Anlong Dushan, it’s a medium-sized scale dolomitic limestone deposit. Base on collecting and organizing data of existing exploration and development in the mining area, and combined with on-site investigation and sample collected work, the geological characteristics and processing technology performance of the dolomite limestone deposit were analyzed for decorative purposes in the area, and its development and utilization prospects were evaluated. The purpose of the work is to provide reference for the search for similar white wood grain decorative limestone deposits in the region.Key words: dolomitic limestone ore for decoration; geological characteristics; development and utilization; Anlong, Guizhou木纹石是石灰石类饰面石材矿，是以碳酸盐岩为主形成的沉积型矿床，具有质均且稳定、矿物成分较简单、规模大等特点[1-2]。

小学上册英语第3单元真题试卷(有答案)英语试题一、综合题(本题有100小题，每小题1分，共100分.每小题不选、错误，均不给分)1.My ______ is very funny and makes everyone laugh.2.I love playing with my ________ set.3. A substance that can conduct electricity when dissolved in water is called a(n)_______.4.I have a toy ________ that can roll.5.What is the term for an animal that hunts for food?A. PredatorB. PreyC. ScavengerD. Omnivore答案:A6. A plant's ______ (生长势头) can vary with seasons.7.What is the capital city of Sweden?A. StockholmB. OsloC. CopenhagenD. Helsinki答案: A8.I want to learn to ________ (驾驶).9.The _____ (章鱼) can fit through tiny spaces.10.The ______ helps fish to swim.11.The ancient Greeks constructed ________ for their religious ceremonies.12.The chemical formula for benzene is ______.13.The weather today is ______.14.My ________ (玩具) is a cherished memento.15.Electric forces act at a distance without ______ contact.16.She has a _____ (cat/dog) at home.17.The bus arrives at ______ o'clock. (eight)18.I respect my parents and call them . (我尊敬我的父母，称他们为)19.I can create lasting memories with my ________ (玩具类型).20.My sister is good at __________ (语言).21.An indicator changes color depending on the ______ of a solution.22.Which insect produces honey?A. AntB. BeeC. FlyD. Butterfly答案: B23. A substance that absorbs moisture from the air is called a(n) _______.24.The __________ (历史的探索旅程) is never-ending.25.Insects can harm some __________ (植物).26.What is the name of the famous tower in Pisa, Italy?A. Leaning Tower of PisaB. Eiffel TowerC. Tower of LondonD. Big Ben答案: A. Leaning Tower of Pisa27.The concept of ecological footprints measures the impact of human activities on______.28.We will go to the ______ (museum) on Saturday.29.The museum is _____ (interesting/boring).30.The _____ (花朵) bloom in various shapes and colors.31.Atoms of the same element with different numbers of neutrons are called ______.32.My mom is a ___ (doctor).33.gs were known for their ______ (航海) skills. The Viki34.The puppy is very ______ (playful).35.What do we call the act of breathing in?A. ExpirationB. InspirationC. ExhalationD. Respiration答案:B36.The clock shows ______ (three) o'clock.37.My ________ (玩具名称) is a fun challenge to put together.38.The sunflowers face the _______ all day long.39.The outer covering of an egg is called a __________.40.Which holiday comes in December?A. ThanksgivingB. HalloweenC. ChristmasD. New Year答案:c41.The main gas that contributes to air pollution is __________.42.What do you call the liquid used to wash hands?A. SoapB. WaterC. GelD. Cream答案: A43.The chemical formula for isopropanol is ______.44.ry _____ (有创造力) and makes great art. She is v45.I want to _____ (visit) the aquarium.46.The capital of Portugal is ________.47.My cat loves to catch ______ (小虫) on the floor.48.The ______ is shining bright.49.My uncle is my funny _______ who tells great jokes.50.What is the name of the famous television show featuring a group of friends living in New York City?A. FriendsB. SeinfeldC. How I Met Your MotherD. The Office答案: A51.The classroom is _____ and bright. (clean)52.The ancient Egyptians used ________ for their writing system.53.My favorite way to spend time is ______.54.The __________ (种植时间) is important for success.55.What do you call the center of an atom?A. NeutronB. ProtonC. NucleusD. Electron答案:C56.Cleopatra was the last active ruler of __________ (古埃及).57.My uncle teaches me about __________ (科技).58.The ancient Romans enjoyed ________ (角斗士比赛).59.We eat breakfast in the _____ (早上).60.The first person to run a mile in under four minutes was _______. (班尼斯特)61. A colorful ___ (小鹦鹉) can mimic sounds.62.The color of a star indicates its _______.63.She is ___ the dishes. (washing)64.Fossils can provide information about past ______ environments.65.I like to ______ (参与) in sports teams.66.__________ are used to dissolve other substances in a solution.67.What is the name of the famous structure in Egypt that was built as a tomb?A. Great WallB. ColosseumC. PyramidsD. Parthenon答案:C68.What is the term for a baby skunk?A. KitB. PupC. CalfD. Chick答案:a69.The country known for its olive oil is ________ (以橄榄油闻名的国家是________).70.The ______ helps with the movement of the body.71.The _____ (mallow) flower is quite pretty.72.The ______ shares her experiences on social media.73.The __________ (文化交流活动) deepen understanding.74.My cousin is a ______. She loves to write music.75._____ (土壤) quality affects plant growth.76.The ______ helps maintain biodiversity.77.__________ are found on the right side of the periodic table.78.The chemical formula for calcium carbonate is __________.79.The ________ (symposium) features experts.80. A ______ is a large, slow-moving river of ice.81.I enjoy making new adventures with my toy ________ (玩具名称).82. A saturated solution contains the maximum amount of _____ that can dissolve.83. A base tastes ______ and feels slippery.84.The _____ (teacher/student) is reading.85.What is the name of the famous British author known for "1984"?A. Virginia WoolfB. George OrwellC. Aldous HuxleyD. J.K. Rowling答案: B86.What do you call a story that is made up?A. FictionB. Non-fictionC. BiographyD. History答案:A. Fiction87.I enjoy making up stories about my _________ (玩具).88.The capital of Mozambique is __________.89.The capital of Comoros is ________ (莫罗尼).90.My cousin is very ____.91.The Earth's surface is subject to a variety of natural ______.92.Sedimentary rocks often form in layers due to ______ sediment deposition.93.Earth has one moon, while Mars has ______.94. A __________ is a large area of flat land that is higher than the surrounding area.95.The ____ is a curious animal that enjoys exploring new places.96.I can use my toy ________ (玩具名称) to explore new ideas.97.Vegetables like carrots and potatoes grow under ______ (地面).98.The process of electrolysis uses electricity to cause __________ reactions.99.I saw a ______ (小鸟) building a nest in the tree. It was very ______ (专注). 100.The main source of energy for living organisms is ______.。

小学下册英语第五单元期中试卷英语试题一、综合题(本题有50小题，每小题1分，共100分.每小题不选、错误，均不给分)1 What do we call a person who studies the effects of population growth?A. DemographerB. SociologistC. AnthropologistD. Economist答案: A2 The flamingo is known for its _______ (优雅).3 What do you call a collection of poems?A. AnthologyB. CollectionC. CompilationD. All of the above4 The stars are _______ (glowing) in the night sky.5 I love to draw ________ (风景) in my notebook.6 The starling flocks in large _______ (群体).7 I thin k it’s essential to take breaks. Taking time to relax helps recharge our minds and bodies. I like to __________ during my breaks to unwind.8 My favorite summer fruit is a _______ (我最喜欢的夏季水果是_______).9 A ________ is a natural park that protects wildlife.10 My brother is a __________ (交通规划师).11 Coal is a type of ______ rock that is formed from ancient plants.12 What is the name of the famous wizarding school in Harry Potter?A. HogwartsB. NarniaC. Middle-earthD. Oz13 waste management) involves collecting and disposing of waste. The ____14 What is the capital of Azerbaijan?A. TbilisiB. YerevanC. BakuD. Astana答案: C15 The beetle has a shiny _______ (壳).16 What is 12 4?A. 6B. 7C. 8D. 9答案: C17 Listen and number.听录音排序。

收稿日期：2022-04-17基金项目：国家自然科学基金资助项目（21476172）通信作者：张庆印（1977—），男，博士，副教授，主要研究方向为锂/钠离子电池电极材料的合成与模拟。

E-mail:*************************.cn钠离子电池用石墨烯掺杂多孔材料的电化学性能张庆印，刘小露（天津工业大学化学工程与技术学院，天津300387）摘要：为了增加硬碳电极材料的导电性，选取石墨烯作为添加剂，采用涂覆法制备了石墨烯掺杂多孔材料，通过SEM 、XRD 、BET 、蓝电电池测试系统和电化学工作站等对所得石墨烯多孔材料的结构和电化学性能进行表征和测试，探究不同碳化温度对于石墨烯掺杂多孔材料电化学性能的影响。

结果表明：石墨烯掺杂多孔材料显示出均匀、丰富的孔结构和增强的石墨化程度，可降低接触电阻，缩短扩散距离，增强电子的传导性，用作电池负极时可有效提高钠离子电池的可逆比容量、倍率和循环性能；当碳化温度为1100益时，所制备的石墨烯掺杂多孔材料电极表现出363.8mA ·h/g 的高可逆比容量，在100mA/g 的电流密度下，循环300圈后，其可逆比容量基本无损失，表明该石墨烯掺杂多孔材料具有优异的电化学性能。

关键词：钠离子电池；硬碳；石墨烯；多孔材料；电化学性能中图分类号：TQ152文献标志码：A 文章编号：员远苑员原园圆源载（圆园23）园5原园园36原07Electrochemical properties of porous materials doped with graphene forsodium ion batteryZHANG Qingyin ，LIU Xiaolu（School of Chemical Engineering and Technology ，Tiangong University ，Tianjin 300387，China ）Abstract ：In order to increase the conductivity of the anode material for hard carbon袁the graphene was selected as an addi鄄tive袁the graphene -doped porous material was produced by coating method.The prepared graphene -doped porous material was characterized by SEM袁XRD and BET袁and the electrochemical property was tested using electrochemical workstations and blue battery test systems.The effects of different carbonization temperature on electrochemical properties of the graphene -doped porous material were explored.The results show that the graphene-doped porous material has uniform and rich pore structure and enhanced graphitization degree袁which can reduce contact resistance袁shorten diffusion distance袁and enhance electronic conductivity.When used as the battery cathode袁they can effectively improve the reversible specific capacity袁magnification and cycling perfor鄄mance of sodiumion battery.When the carbonization temperature is 1100益袁the prepared graphene -doped porous material electrode exhibites a high reversible specific capacity of 363.8mA 窑h/g.After 300cycles at cur鄄rent density of 100mA/g袁its reversible specific capacity has almost no loss袁which indicating that the graphene-doped porous material electrode has excellent electrochemical properties.Key words ：sodium ion battery曰hard carbon;graphene曰porous materials曰electrochemical property进入21世纪，消耗化石燃料造成的能源短缺和环境污染问题引起了人们的广泛关注，储能已经成为全球关注的焦点。

小学上册英语第四单元寒假试卷(有答案)英语试题一、综合题(本题有100小题，每小题1分，共100分.每小题不选、错误，均不给分)1.My dad is very ________.2. A __________ (长期计划) can support sustainable gardening.3.My mom is a ________.4.The dog wagged its ______ (尾巴) when it saw me. It was very ______ (兴奋).5.I can create a _________ (玩具动物) out of clay.6.中国的________ (history) 充满了起伏与变迁。

7.She has a _____ (cat/dog) at home.8.The cake is ___ (frosted).9.The atmosphere is essential for ______ life on Earth.10.The ancient Chinese invented _____ paper.11.My sister sings in the ________ (合唱团).12. A _____ is a group of stars that is visible in the night sky.13.I like to ______ pictures. (draw)14. A tiny ___ (小龙) appears in stories.15.What do we call the primary color that mixes with blue to create violet?A. RedB. YellowC. GreenD. Orange答案:A16. A molecule that can donate protons is called an ______.17.The process of ______ involves the gradual breakdown of rocks.18.The ______ (水分) in soil is crucial for growth.19.My cousin is a great __________ (志愿者).20.I love reading mystery books. My favorite author is __________.21.The chemical symbol for chromium is __________.22.The flowers are _____ and colorful. (bright)23. A __________ is a mixture that can be separated by evaporation.24.The Sun is a medium-sized star in the ______ galaxy.25.The process of making glass involves heating sand to a high _____.26.The pufferfish can _________ itself. (膨胀)27.The __________ (历史的冲击) prompts reflection.28. A ____ is a friendly creature that enjoys company.29.What is the capital city of the Philippines?A. ManilaB. CebuC. DavaoD. Quezon City答案: A30.An alligator lives in _________ (沼泽地).31. A __________ (分子间力) influences the physical properties of a substance.32. A chemical reaction requires a change in ______.33.We can _____ (graft) plants to improve growth.34.The ice cream is _____ melting. (slowly)35.My dad tells _______ jokes.36.The __________ (地震) shook the buildings.37.The gecko can stick to _______ (墙壁).38.We need to ________ the house.39. A ________ (树枝) can break if it is too heavy.40.Certain plants can ______ (生存) in low-nutrient soils.41.I can ________ (lead) a team effectively.42.She is _______ (reading) a novel.43.The __________ (历史的跨文化交流) fosters understanding.44.What do we call a story that explains the origins of something?A. MythB. FableC. LegendD. Fairy tale答案: A45.The Age of Exploration began in the _______ century.46.The chemical process that occurs in our bodies to release energy is called ______.47.I see a _____ (bird/fish) in the tree.48.He is a mechanic, ______ (他是一名机械师), fixing cars.49.The _____ (枝条) can be pruned for better growth.50.The ostrich is the world's largest ______ (鸟).51.Burning wood produces __________.52.She is studying to be a ________.53.The playground is full of ______.54.My cousin is passionate about __________ (艺术).55.I see a _____ (caterpillar) on the leaf.56.I saw a _______ (小松鼠) eating an acorn.57.My __________ (玩具名) always makes me laugh when I __________ (动词).58. A ________ (植物采集) can be educational.59._______ are important for the environment.60.The chemical formula for ammonium sulfate is __________.61. Carta was signed in __________ (1215), limiting the power of the king. The Magn62.The goldfish swims gracefully in the _________ (水).63.The _____ (植物生物) is varied and complex.64.My cousin always visits us during ____.65.He has a pet ___ . (fish)66.My brother has a remote-controlled _____ (飞机).67.What is the main language spoken in the USA?A. SpanishB. EnglishC. FrenchD. Chinese答案: B68.The weather is _____ today. (nice)69.I like ________ (吃) ice cream.70.We have a ________ (meeting) after school.71.What do you call a group of wolves?A. PackB. HerdC. FlockD. Swarm答案: A72.I love to eat ___. (cake)73.I love learning new languages because it helps me understand different _______ (文化).74.Light from ancient stars provides clues about the early _______.75.My dad loves to ________ (烹饪).76.The _____ (fish/bird) is swimming.77.The ice cream truck is ______ (coming) down the street.78.Pandas mainly eat _________ (竹子).79.The hamster runs on its _______ every night.80.What is the name of the famous clock tower in London?A. Big BenB. Eiffel TowerC. Leaning Tower of PisaD. Statue of Liberty答案:A81.My uncle is a __________ (建筑师).82.I always _______ (帮助) my parents.83.My friend is a ______. He wants to be an astronaut.84.His favorite animal is a ________.85.The _____ (星星) twinkle at night.86.The teacher, ______ (老师), inspires us to dream big.87.In art class, we made ________ (手工艺品) using old toys. It was ________ (有趣的) to create something new!88.The rabbit has powerful _______ (后腿) for jumping.89.The police officer, ______ (警察), keeps the community safe.90. A lever can increase the ______ applied to an object.91.The _____ (ocean) is blue.92.The nurse provides care and support in _____ (医院).93.My mom enjoys doing ____ (puzzles).94.I enjoy _______ (看书) at the library.95.The __________ is cool and refreshing during the summer. (海洋)96.What is the name of the place where we go to watch movies?A. TheaterB. MuseumC. Concert HallD. Library答案: A97.What do we call the process of making food from sunlight, carbon dioxide, and water?A. PhotosynthesisB. RespirationC. FermentationD. Digestion答案: A. Photosynthesis98.Chemical reactions can be classified as ______ or physical changes.99. A mixture that is not uniform throughout is called a ______ mixture.100.My uncle is a skilled ____ (sculptor).。

小学上册英语第一单元期末试卷(有答案)英语试题一、综合题(本题有100小题，每小题1分，共100分.每小题不选、错误，均不给分)1.__________ are substances that cannot be broken down into simpler substances.2.We have a picnic _____ the park. (at)3.Elephants have large ______.4.What is the main ingredient in sushi?A. RiceB. FishC. SeaweedD. Vegetables答案:A5.Photosynthesis converts sunlight into ______ energy.6.I have a toy _______ that rolls and spins everywhere I go.7.The ancient Romans created a system of _____.8.The trees in the _______ provide shade and a place to relax.9.Many plants need ______ (水) to survive.10.The ________ (热带雨林) is rich in biodiversity.11. A simple circuit includes a power source, a load, and ______ (wires).12. A __________ is a common garden pest that can destroy crops.13.The _______ (The Women's Suffrage Movement) fought for women's voting rights.14.My __________ (玩具名) can __________ (动词) in many ways.15.The __________ is an important trade route.16.The __________ (历史的见证者) recount significant moments.17.I like to ride my ______ (horse).18.I saw a _______ (小松鼠) in the park.19.Do you like _____ (鱼) in your aquarium?20.Dial telescopes use mirrors to gather ______.21. A _____ (狼) is a pack animal and very social.22.I listen to _____ (音乐) every day.23.We are going to the ___. (concert) tonight.24.What is 10 - 6?A. 5B. 4C. 6D. 3答案:B 425.I enjoy _______ (运动) after school.26.The parrot can be very ________________ (吵闹).27. A dolphin jumps gracefully out of the _______ and plays.28.My ________ (玩具名称) is very unique.29.I often ask for ________ (名词) for my birthday so I can buy new toys.30.The ________ is celebrated for its independence from Britain.31. Pyramid of Giza was built as a __________. (陵墓) The Grea32.physical map) shows terrain features like mountains and rivers. The ____33.My aunt lives in . (我阿姨住在。

GeotouringChina--用英语畅谈中国地质公园知到章节测试答案智慧树2023年最新中国地质大学（武汉）绪论单元测试1.This course focus on 9 types of geological landforms and the typical geoparksof these landforms. （）参考答案:对第一章测试1.Calcium Carbonate (the mineral calcite) goes into solution in an acidicsolution. （）参考答案:对2.Karst mountains are made of limestone, dolomite, and gypsum, which have incommon the fact that they are all unsoluble rocks. （）参考答案:错3.Karst mountains are mainly made of gypsum. （）参考答案:对4.The solid out layer of the earth, that is the _____. （）参考答案:Crust5.Which of the following places belongs to Karst landform? （）参考答案:Kunming Stone Forest第二章测试1.The name of Huangshan is commonly thought to have been coined in honorof . （）参考答案:Huang Di2.The mountain range in Huangshan was formed in the , approximately 100million years ago, when an ancient sea disappeared due to uplift. Later, in theQuaternary Period, the landscape was shaped by the influence of glaciers.（）参考答案:Mesozoic3.Granite belongs to rocks.（）参考答案:intrusive4.Which stone was used to build the Taj Mahal? （）参考答案:Marble5.The granite surface of Huangshan is exfoliated, spheroidally weathered, andhas sheeting in places. （）and fluvial erosion have produced thegeomorphologic features of Huangshan.参考答案:Wheathering第三章测试1.The Wudalianshan Global Geopark is located in ______. （）参考答案:Heilongjiang Province, China2.The Wudalianshan Global Geopark is a representative Geopark of ______landform.（）参考答案:volcano3.The best time to visit the Wudalianchi Geopark is_____. （）参考答案:From June to October4.Volcanoes are closely associated with_____.（）参考答案:plate tectonic activity5.The name of “Wudalianchi” stands for_____.（）参考答案:Five lakes of Wudalianchi which are connected like beads.第四章测试1.The word “Yardang” is a ____________ term. （）参考答案:geomorphic2.Yardangs are found mainly in arid or extremely arid regions with scarceprecipitation, little vegetation and strong ___________. （）参考答案:wind erosion3.Dunhuang yardang landform is mainly composed of ___________ geologicalrelics . （）参考答案:Quaternary4.Yardangs are particularly concentrated in _______ in Xinjiang and west ofGansu Province, as well as in the Qaidam Basin in Qinghai Province. （）参考答案:basins5.At the early stage of Himalayan movement about 40 million years ago, theAltun and Qilian Mountains in the south were rapidly _______, while the hillyarea in the north were slowly rising, so the faulted Anxi-Dunhuang basin wasformed. （）参考答案:uplifting第五章测试1.Where is the ALXA Desert Global Geopark. （）.参考答案:China2.How many deserts in the ALXA Desert Global Geopark.? （）参考答案:Two3.The ALXA Desert Global Geopark is the only desert geopark in the world.（）对4.There is no any river in the ALXA Desert Global Geopark . （）参考答案:错5.The Tengger Desert is the safest and most interesting part of the whole park.（）.参考答案:对第六章测试1.The Danxia landform is named after ______. （）参考答案:Mount Danxia2.______ firstly named Danxia Landform？（）参考答案:Feng Jinglan（冯景兰）3.The best time to visit Zhangye Park is_____：（）September4.The Danxia landform formed by _____ force(s) （）参考答案:both5.Danxia landform is formed from red-coloured sandstones and conglomeratesof largely ______age. （）参考答案:Cretaceous第七章测试1.The famous Zhangjiajie scenic area is mainly in the administrativesubdivision of District（）.参考答案:Wulingyuan2.What is the Chinese term for siltstone? （）参考答案:粉砂岩3.Zhangjiajie lies in southern China Plate and a humid subtropical climate zone.Its landform was originally from Middle and Upper Devonian（） whoseoccurrence is nearly horizontal and is formed by agents like water erosion,gravity collapse, and weathering.参考答案:quartz sandstone4.Zhangjiajie used to be a large patch of ocean some three billion and eightthousand years ago. Later, due to a series of crust movements, the seabedrose up and became land. Water erosion and weathering over the pastmillions of years then led to the formation of Zhangjiajie's primitiveecological system, featuring a landform of sandstone, valleys, and peaks. （）参考答案:对5.The Jurassic belongs to the era of the （）.参考答案:Mesozoic第八章测试1.Where is Yehliu Geopark located? _________ （）参考答案:Taiwan2.What landform does Yehliu Geopark belong to? ____________ （）参考答案:Marine Abrasion Landform3.How many areas is Yehliu roughly divided into? ____________ （）参考答案:Three4.Whose statue is located in Gehliu Geopark?____________ （）参考答案:Lin Tianzhen’s5.In which year was the Yehliu peninsula officially designated as a park? （）参考答案:1964第九章测试1. 1 Which one is not major glacier in China? （）参考答案:the Gorner Glacier2. 2 Which is the nearest glacier if we live in Wuhan and want to pay a visit to it?（）参考答案:Mt. Lushan3.Where is Mt. Lushan located? （）参考答案:In Jiangxi Province4. 4 What are the best seasons to have a trip in Mt. Lushan? （）参考答案:July and August5. 5 How many big glaciers does Meili Snow Mountain possess? （）参考答案:four。

混凝土孔隙分类英文Concrete pores can be classified into several types based on their characteristics and formation mechanisms. Here is a detailed classification of concrete pores:1. Air pores: These are the smallest pores in concrete, with a diameter generally less than 0.1 millimeters. Air pores are usually caused by bubbles in the concrete, which can be due to gases generated during the mixing of concrete or gases produced during the curing process of concrete.2. Gel pores: Gel pores have a pore size range of 0.03 to 3 micrometers. They are fine pores that exist within the cement gel body. Most gel pores are closed and have weak permeability, making them harmless pores.3. Capillary pores: Capillary pores have a pore size range of 0.1 millimeters to 50 micrometers. These pores are caused by the evaporation of water within the cement gel body after hydration. Most capillary pores are not closedand have a relatively large pore volume, making them harmful pores. Capillary pores are a major factor leading to freeze-thaw damage in concrete.4. Non-capillary pores: All pores other than gel pores and capillary pores are referred to as non-capillary pores.5. Surface pores: These are pores that exist on the surface of the concrete and are usually larger, with a diameter of up to 2 millimeters. Surface pores have a significant impact on the appearance and surface quality of the concrete.6. Internal pores: These are pores that form within the concrete and are typically smaller. The size and number of internal pores directly affect the strength and durability of the concrete.7. Micro pores: These are pores with a diameter less than 0.1 micrometers. Micro pores have a very minor impact on the structure of concrete and usually do not lead to degradation.8. Fine pores: Fine pores have a diameter in the rangeof 0.1 to 1 micrometer and can affect the strength and durability of concrete.9. Coarse pores: These are pores with a diametergreater than 1 micrometer. Coarse pores can have asignificant impact on the strength and hardness of concrete, often leading to damage or degradation.10. Needle-shaped pores: Needle-shaped pores are formed due to uneven distribution of aggregate in the concrete, which has a negative impact on the strength and durabilityof the concrete.11. Water pockets: These are pores formed due to excessive water content in the concrete.12. Cracks: Cracks can be caused by various factorssuch as insufficient concrete strength, poor material properties, or unreasonable structural design.In addition to the above classifications, concrete pores can also be divided into three main categories based on their location: cement stone pores, aggregate pores, and interfacial pores. Based on the pore diameter, concrete pores can also be divided into five parts: gel pores (pore diameter less than 10 nanometers), transition pores (small capillary pores, 10-100 nanometers), large capillary pores (100-1000 nanometers), air pores (pore diameter greater than 1000 nanometers), and large pores caused by uneven mixing (pore diameter above 10 nanometers).From the perspective of their impact on concrete, pores can be divided into harmless pores (pore diameter less than 20 nanometers), slightly harmful pores (20-100 nanometers), harmful pores (100-200 nanometers), and highly harmful pores (greater than or equal to 200 nanometers).In summary, concrete pores can be classified into various types based on their characteristics, formation mechanisms, and impact on the concrete. Understanding the different types of pores and their impact on concrete iscrucial for ensuring the durability and performance of concrete structures.。

小学上册英语第2单元真题(含答案)英语试题一、综合题(本题有50小题，每小题1分，共100分.每小题不选、错误，均不给分)1 The _____ (botanical) garden has many species of plants.2 We cook ________ (dinner) together.3 Some _______ can only grow in specific climates.4 What color is the planet Mars often associated with?A. BlueB. GreenC. RedD. Yellow5 The __________ (种子的发芽) process is fascinating.6 The wolf is a social _________ (动物).7 What is the opposite of "big"?A. HugeB. SmallC. TallD. Large8 What do you call a person who works with computers?A. ProgrammerB. EngineerC. TechnicianD. Developer答案:A9 What do you call the process of growing crops?A. AgricultureB. HorticultureC. FarmingD. Cultivation答案:A10 A solution that contains the maximum amount of solute is _____ (saturated).11 A ________ is a large area of land that is covered in snow.12 What do we call the study of living things?A. PhysicsB. ChemistryC. BiologyD. Geography答案：C13 The ancient Romans spoke _______. (拉丁语)14 He is my good _____ (朋友).15 What do you call the movement of air?A. WindB. RainC. SnowD. Storm答案: A16 Which one is a type of bird?A. DogB. EagleC. FishD. Cat17 My dad watches __________ on TV. (新闻)18 I feel ______ when I am with my family.19 The parrot has bright ________________ (羽毛).20 My dad fixes ____ (cars) at his workshop.21 What do you call the main character in a story?A. ProtagonistB. AntagonistC. HeroD. Villain22 What do we call the first month of the year?A. DecemberB. JanuaryC. FebruaryD. March答案:B23 The process of a liquid turning into a gas is called _______.24 Cats often like to _______ (玩耍) with yarn.25 We have a ______ (快乐的) family tradition for special occasions.26 The chemical formula for ammonia is ______.27 I want to ________ (meet) new friends.28 What is the main purpose of a bridge?A. To provide shelterB. To connect two pointsC. To decorate the landscapeD. To provide water答案:B29 A kitten pounces on ______ (玩具).30 The __________ is a famous valley in California.31 The __________ (文化活动) bring joy to communities.32 The ________ was a significant event in the history of civil rights in America.33 What do we call the process of taking in food and breaking it down?A. DigestionB. RespirationC. MetabolismD. Absorption答案: A. Digestion34 What do you call a sweet, baked good made with flour?A. CookieB. BrownieC. CakeD. All of the above答案:D35 What do we call an animal that can live both on land and in water?A. ReptileB. MammalC. Amphibian36 The ________ (experience) was unforgettable.37 A _______ is a device that can measure electrical resistance.38 The Earth spins on its ______.39 The _______ of sound is perceived as volume.40 What do you call the part of the plant that absorbs water and nutrients?a. Stemb. Leafc. Rootd. Flower答案:c41 My mom is ______ (cooking) dinner.42 A ______ is a type of bond where electrons are transferred.43 We make ______ (pancakes) for breakfast.44 The ______ (松鼠) gathers food for the winter.45 The ancient Egyptians practiced ________ as part of their belief systems.46 What is the name of the famous online shopping platform?A. eBayB. AmazonC. AlibabaD. Etsy答案：B47 What do you call the area of land that is used for farming?A. FieldB. FarmD. Garden答案: B48 In a chemical reaction, the mass of the products equals the mass of the _____.49 We have a ______ (特别的) event this weekend.50 The dog likes to ________ (追逐) balls.51 The ancient Egyptians used _____ for mummification.52 A light year measures _______ not time.53 What is the name of the first man on the moon?A. Neil ArmstrongB. Buzz AldrinC. Yuri GagarinD. John Glenn答案:A54 A firefly's light is used to attract ______ (配偶).55 This ________ (玩具) helps me appreciate art.56 I received a new _________ (遥控车) for my birthday. It is so _________ (快速的).57 What is the capital of France?A. ParisB. LyonC. MarseilleD. Nice答案:A58 I enjoy drawing ______ in my spare time.59 What do you call the act of saving money?A. SpendingB. InvestingC. BudgetingD. All of the above60 A ______ (社区参与) can enhance conservation efforts.61 What instrument is used to measure temperature?A. RulerB. ThermometerC. ScaleD. Clock答案:B62 What do we call the place where we watch movies?A. TheaterB. StoreC. RestaurantD. School答案:A63 My uncle shares his __________ (知识) about fishing.64 What do you call a story that is not true?A. FactB. FictionC. HistoryD. Biography答案:B65 The _____ (风) can carry seeds far away.66 What is the name of the famous American holiday celebrated on October 31?A. HalloweenB. ThanksgivingC. ChristmasD. New Year's Eve答案:A67 He rides his ___ (skateboard) to school.68 We went to the _____ (store/market) yesterday.69 The _______ of sound can vary based on the type of environment it travels through.70 A solution that contains a high concentration of solute is called a _____ solution.71 What is the opposite of "dry"?A. WetB. MoistC. DampD. Humid72 What is the capital of Argentina?A. Buenos AiresB. CórdobaC. RosarioD. Mendoza答案: A73 My friend is a _____ (经济学家) and studies money.74 An _______ is an atom that has a charge.75 The __________ is a major trade route in the Mediterranean. (地中海航线)76 I have a _____ (pen/pencil) in my backpack.77 What is the term for a planet that rotates in the opposite direction to most others?A. RetrogradeB. AnomalousC. EratosthenesD. Unique78 I want to be a _______ (teacher) when I grow up.79 The Kuiper Belt is home to many _______ and dwarf planets.80 The __________ (社会变迁) shape our understanding of history.81 The capital of Armenia is ________ (亚美尼亚的首都是________).82 I can _______ the piano well.83 A nonmetallic element is one that lacks the properties of _______.84 A ______ (土地恢复) project can rejuvenate ecosystems.85 My toy ________ can change into a robot.86 The fish has shiny _________. (鳞片)87 What do you call a small, furry animal that is often kept as a pet?A. HamsterB. LizardC. SnakeD. Frog答案: A88 The core of the Earth is mostly made up of ______ and nickel.89 What do you call the warm-blooded animals that give birth to live young?A. ReptilesB. AmphibiansC. MammalsD. Birds90 The discovery of __________ (青铜) marked the beginning of the Bronze Age.91 What is the capital of Bangladesh?A. DhakaB. ChittagongC. SylhetD. Khulna答案:A92 Whenever I visit my grandparents, I always say, "Hi, !" (每次我去看望我的祖父母，我总是说：“嗨，！”)93 The _______ of a pendulum can be demonstrated with a stopwatch.94 The __________ is known for its deserts and unique wildlife. (澳大利亚)95 What do you call a young tiger?A. CubB. KitC. PupD. Calf96 A chemical reaction that occurs in living organisms is called ______ chemistry.97 My _____ (跳绳) is colorful and fun.98 My brother is a _____ (科学家) who studies animals.99 My sister is a ______. She loves to volunteer at shelters.100 Which part of the plant absorbs water?A. LeafB. StemC. RootD. Flower 答案: C。

黄芪四君子汤联合乳果糖、聚乙二醇4400散治疗功能性便秘的疗效分析李丽罗玲花钟丽林宏城【摘要】目的探讨黄芪四君子汤联合乳果糖、聚乙二醇4004散治疗功能性便秘的疗效。

方法回顾性分析39例诊断为功能性便秘患者的病历资料(根据中医脏腑辨证、八纲辨证、卫气营血辨证均诊断为脾胃气虚型患者、，按照治疗方法分为中西医结合治疗组(黄芪四君子汤联合乳果糖、聚乙二醇304散)及西医治疗组(乳果糖、聚乙二醇4404散联用)，分别比较两种治疗方法治疗前后KESS评分的差异，以及两种治疗方法之间KESS评分和疗效的差异。

结果中西医结合治疗组中，治疗前后KESS评分中的“吏用泻药”、尝试排便失败”、排便困难”、粪便性状”、排便时间”因子分及量表总分差异均具有统计学意义(P<4.45)；西医治疗组中，治疗前后的“使用泻药”、尝试排便失败”、排便困难”、排便时间”因子分及量表总分差异均具有统计学意义(P<4.45)；但两种治疗方法比较KESS量表评分无统计学差异。

将两种治疗方法疗效进行比较发现，中西医结合治疗组恢复正常排便的比例较西医组更高，无改善患者的比例较西医组低。

结论使用中西医结合治疗及西医治疗后便秘患者使用泻药频率降低，尝试排便失败的次数减少，排便困难痛苦程度减轻,排便时间缩短，虽然两种治疗方法无统计学差异，但是从疗效上来讲，中西医结合治疗组有更高比例的患者能恢复正常排便，并且较少患者表现出对治疗无反应。

【关键词】功能性便秘；黄芪四君子汤中图分类号：R474.4；R/-431文献标志码：A dot：2.3969//ims.671-332X.242643.446Effect of huangqt sijunzt decection cembinen with lacthloss and polyethylenc glycei4000powder on functionai censtiaationLA Ln*,LUO Linghua,ZHONG Ln,LIAG Hongcheng【Abstract]Objective To explore the curative eXeot of Huangqi Spuoei DecocPou combined with lactulose and polyethy-dne glycol4004howSer on functional cous/paUou.Methods The medical recorfs of39patients Uiaynosed with funcPonoi cou-stipaUou were wtwspectively analyzed(According to TCM sy/dwme diVewntiation,eight outPse sy/dwme diVewntiation,and Weiqi Yiisppe diVewnPation,all Uiagsosed os paPents with spleen and stomach qi Seficiency).According to the treatment meth­od,V was UivideS into a combisaUon of trabiUonoi Chinese and westers meXicise treatment group(Huangqi Sijirnzi Decoction combined with lactulose,holyetUydne glycol4404powSeW anS Westers meXicise treatment group(combined use of lactulose and pomethydne glycol4004powSer),and the two treatment methods were compared.The differences in KESS scores before and Ster treatment and between t he two treatment methods were compareS.Results Is the Westers meXicise group,there were sto-PstVaUy sigOficast diVewnces in the scores of"use of lsatives”,u failed attempts to Sefecate”,"diVicu/y in SefecaPng”, "time to Sefecate”and the total scow of the scad before and Ster treatment(P<4.45).Is the combination of Chinese and Westers meXicise treatment group,there were smUs/caUy sigOficast diVewnces in the scores of"using lsa/ves”,"faiVS at­tempts to Sefecate”,u difficulty in SefecaUng”,"fecal twits”,"SefecaUng time”and the total scow of the scad before and after Weatmest(P<4.45).There was so smtistical diVewnce in KESS scad scores between the two treatment paWny the curative eXeot of the two treatment methods,it was found that the propoWiou of normal SefecaUon in the intearated Chinese and westers meXicise treatment group was higher than that in the westers meXicise group,and the propoWiou of patients withopt improvement was lower than t hat in the westers meXicise group.Conclusion After using intearated Chinese and westers medi­cine treatment anS westers medicine Weatment,the freyuency of using lsa/ves Seewased,the number of attempts to Sefecato failed Seewased,the pain Searee of SefecaUon difficulty was aUeviated,and the SefecaUon time was shoWened.But in curative eXect,a higher propoWiou of patients in intearated Chinese anS westers meXicise treatment group could returs to normal Sefeca-Pou,and fewer patients sPowed so response to treatment.【Key wonisi FuncPonoi constipaPos；Huangqi spunzi SecocPos【Author's addressi*The Sixth Affiliated Hospital,Sun Yot-sen University/GuangScvo Tst/ute of Gastroenterology, GuangScvo Provincial Key Labowtop of Colorectal and Pelvic Floor Diseases,Guangzhou514055,China基金项目：广东省自然科学基金(2626A62611254)李丽罗玲花钟丽林宏城：中山大学附属第六医院//广东省结直肠盆底疾病研究重点实验室广东广州32953通信作者：林宏城功能性便秘是一组排除器质性病变后，以排便费力、粪便干结、排便不尽感、排便次数减少、粪便量减少为主要表现的症候群［6］”在美国，中位发病率为6%［/，我国人群的发病率为8.1%-47.3%（平均20%）［］”其中功能性排便障碍在普通人群发病率不确定,约占慢性便秘人群的20%-80%不等，女性发病率约为男性的8倍,但年轻人和老年人发病率无差异⑷”中医对便秘的认识由来已久，便秘一词首见于《黄帝内经》，其称之为"大便难”"、“后不利”，同时也有"大便不通”"、”大便秘结”"、“大便干燥”等多种名称”便秘患者主要的辨证理论基础是脾胃气虚”要维持正常的大肠传导功能及肠道的润泽均赖于脾胃功能的正常,脾虚则大肠传导无力，气血生化贫乏则肠道干涩,大便干结”人体饮食不节、情志失调、气血不足、阴阳失调就会导致脏腑功能失调，大肠传输异常产生便秘，阳气虚则肠道传输无力，阴血虚则润泽荣养不足,大便干结，因此便秘患者治疗应调畅全身气机、调补脾胃、健脾益气、滋阴养血、气血双补、润肠通便［_”四君子汤是十分重要的健脾益气、行气理气方剂，其组成包括人参、白术、茯苓、甘草四味中药，临床应用时，常将人参换成党参［4”白术健脾益气，为脾脏补气健脾之第一要药;茯苓利水渗湿，健脾，与白术相配伍，健脾祛湿之功效增强；甘草补脾益气、调和诸药）4］o研究表明将四君子汤加减治疗脑血管病后脾虚气滞型便秘症，治疗组总有效率为28.8%，对照组为77.7%，治疗组疗效显著优于对照组［3］”黄芪具有补益脾肺润肠通便、健脾益气之功效1］”乳果糖联合聚乙二醇4400散是便秘治疗常用西药,本研究将黄芪四君子汤与乳果糖聚乙二醇4400散联合使用，观察两种治疗方法在临床疗效上的差异，并通过KESS评分来评价”1资料与方法1.1一般资料回顾性分析2010年1月一2020年3月在我科诊断为功能性便秘的患者资料44例,从病历资料中找出患者的基本信息，通过主诉和现病史完善KESS便秘评分（根据中医脏腑辨证、八纲辨证、卫气营血辨证均诊断为脾胃气虚型患者），电话随访患者服药4周后症状改善情况及疗效维持时间，同时填写KESS评分”按照治疗方法分为中西医结合治疗组（黄芪四君子汤联合乳果糖聚乙二醇4400散）及西医治疗组（乳果糖联合聚乙二醇300散［，西医治疗组总共28例患者，随访过程中失联2例，剩余21例”中西医结合治疗组21例，随访过程中失联3例，总共6例”其中西医治疗组男11例，女2例年龄（47.38±18.64）岁”中西医结合治疗组男7例，女11例;年龄（47.04±18.03）岁”02治疗方法西医治疗组给予乳果糖6mL,每天2次、聚乙二醇4400散2g,每天3次，连续服用4周，同时给予生活习惯调理指导，包括每日摄入足够的水和纤维素，均衡饮食，养成良好的排便习惯”中西医结合治疗组在使用乳果糖2mL,每天2次、聚乙二醇300散2S,每天8次，同样在给予生活调理指导的基础上，且为根据中医脏腑辨证、八纲辨证、卫气营血辨证诊断为脾胃气虚的患者，给予黄芪四君子汤加减”黄芪四君子汤组成：黄芪20g,甘草2g,白术6g,党参6g,茯苓6g,如同时伴有口燥咽干、心烦失眠等阴虚患者,加玄参2S,玉竹6S,麦冬2S,伴有畏寒肢冷、面色苍白、脉沉微无力等阳虚患者加桂枝6S,干姜10S,艾叶6S,伴有身倦乏力、舌淡暗、胸胁胀闷等血瘀患者加桃仁2S,红花2a o 煎煮方法:洗净草药，冷水浸泡半小时，加入药煲中（专用电药煲、瓦罐、电饭锅均可［，加水刚好没过药面为宜,大火烧至沸腾，文火继续煎煮32mis,取药汁09-200mL”服用方法:冷却至适合口服的温热温度（约40~50C）后口服”可一次服用完毕，也可分两次服完，若药液久置,可加至温热后服用”一般选择餐后1h用药”如果觉得中药口味不佳，可加入适量的蜂蜜、橙汁或红糖一起服用”连续服用4周，每天（剂”60观察指标60.1KESS症状评分KESS是常用便秘症状评分量表,包括便秘病程、泻药的使用、排便频率、是否出现有便意而排便失败的情况、排便不尽感、腹部疼痛、腹胀”灌肠或者用手帮助的次数、排便时间、排便困难程度以及不用泻药时的粪便性状11个条目，根据表中的症状可以对便秘进行分型，对便秘类型识别度较高［10］”治疗前KESS量表信息于病史资料中选择填写,治疗后KESS 量表信息由电话随访回答问卷填写”60.2疗效判定标准［11］显效:经过治疗后，便秘症状得到明显改善;有效:经过治疗后,便秘症状较前有轻微改善;无效:经过治疗后便秘的情况无任何改善”64统计学方法采用sos2.0进行统计分析，所有检验均为双侧检验,正态性检验以a=0.2为检验水准，其余均以a=0.06为检验水准”2结果2.1研究对象的基本情况对于连续型变量，由于其满足正态分布（P>0-10）,故采用均数及标准差进行统计描述;对于分类变量,采用频数及频率进行统计描述”见表22.2两组治疗前后患者KESS评分及两组治疗间KESS 评分比较由于资料不满足正态分布,故采用Wilcuxon符号秩和检验分别比较两组治疗前后各指标评分差异是否具有统计学意义。

Keywords: dolomite; brine; models; porosity; permeability; oil and gas; base metal
E-mail address: jwarren@brunet.bn ŽJ. Warren..
0012-8252r00r$ - see front matter q 2000 Elsevier Science B.V. All rights reserved. PII: S 0 0 1 2 - 8 2 5 2 Ž 0 0 . 0 0 0 2 2 - 2
Dolomite is an unusual carbonate mineral. It is common in ancient platform carbonates, yet it is rare in Holocene sediments and, without bacterial mediation, is near impossible to precipitate in the laboratory at earth surface temperatures. Some argue that widespread dolomite forms mostly in association with hypersaline brines, others that it can form from schizohaline waters, or that the time required to form large volumes of dolomite means that the process must be predominantly subsurface and perhaps tied to the long-term circulation of seawater through platform sediments ŽLand, 1985; Hardie, 1987..

小学上册英语第3单元测验卷(有答案)英语试题一、综合题(本题有100小题，每小题1分，共100分.每小题不选、错误，均不给分)1.His dream is to be a ________.2.The pelican dives into the _________ (水) to catch fish.3.They like to watch ________ movies.4. A chemical reaction can lead to a change in ______ state.5.Snakes can be ______ or harmless.6.The _____ (露水) on the grass is refreshing in the morning.7.What is the name of the famous scientist known for his work on electromagnetism?A. James Clerk MaxwellB. Nikola TeslaC. Thomas EdisonD. Michael Faraday答案: A8.The _____ (fauna) interacts with plant life.9.The ________ (chick) is cute and fluffy.10.The ancient Egyptians used ________ for religious texts.11. A ______ is a positively charged particle in the nucleus of an atom.12.My grandma is a wonderful __________ (导师).13. A sea turtle can live for _______ (很多年).14. A ____(participatory approach) involves residents in decision-making.15.I like to eat ______.16. A rabbit can jump really ______ (高).17.The __________ helps to circulate blood in the body.18.I like to help my mom ________ (整理) my room.19.We have a ______ (大) backyard to play in.20.The library is _____ (quiet/loud) and peaceful.21.What is the term for a young dolphin?A. CalfB. PupC. KitD. Chick答案:a22.The ________ (initiative) encourages innovation.23.What do we call a baby deer?A. FawnB. CalfC. KidD. Lamb答案: A. Fawn24.My cousin is a ______. She enjoys storytelling.25.What is the capital of Panama?A. Panama CityB. ColonC. DavidD. Chiriquí答案: A26.I love watching the ________ (星星) at night.27.The bat can fly in the _____.28.I enjoy _____ (聊天) with friends.29.My mom is very _______ (形容词) when it comes to gardening. 她的花园很_______ (形容词).30.The ancient Mayans were known for their _____ calendar.31.The engineer, ______ (工程师), solves complex problems.32.My dad works as a _______ (工程师).33.Rabbits like to dig _________. (洞)34.What do we call a group of lions?A. PackB. HerdC. PrideD. Flock答案:C35.Which of these is a type of fruit?A. CarrotB. BananaC. PotatoD. Cucumber答案:B Banana36.She is ___ (laughing/sobbing) at the joke.37. A turtle moves slowly but has a hard _______.38.The ________ was a notable treaty that settled numerous disputes.39.Which insect can make honey?A. AntB. ButterflyC. BeeD. Fly答案:C40.My little sister has a _________ (跳跳球) that she loves to bounce around the house.41.My mom gives me __________ (建议) when I need help.42.She enjoys ________.43.What is the opposite of "short"?A. TallB. BigC. ThinD. Heavy答案:A Tall44.His favorite animal is a ________.45.Chemical reactions can be represented using ________ equations.46.The cake is ________ for my birthday.47.The ______ (小鱼) swims gracefully in the tank.48.The kitten loves to cuddle with its _________. (主人)49.The __________ is a popular tourist destination.50.Electric circuits need a ______ (complete) path to work.51.My favorite _____ is a bright blue kite.52.I play pretend with my ________ (玩具名称).53.The _____ (温暖) climate is suitable for tropical plants.54.She is __________ her friend a secret.55.The ______ (植物的交互作用) with animals is complex.56.The __________ is a large area of land that is covered with grass.57.My favorite hobby is ______ (绘画).58. A kitten purrs when it feels ______ (舒适).59.She is _______ (running) in the race.60.What do we use to read?A. BookB. KnifeC. PlateD. Spoon答案:A Book61.Gases fill the entire _____ they are in.62.The chemical formula for sulfuric acid is __________.63.The capital city of Latvia is __________.64._____ (绿化) projects improve city landscapes.65.The __________ is a famous mountain range in South America.66.Which of these animals is a mammal?A. FishB. BirdC. DogD. Reptile答案:C Dog67.The __________ (历史的内容) engages different audiences.68.The Industrial Revolution started in the ________.69. A __________ is a geological feature that can be shaped by erosion.70.The _____ (waterfall) is beautiful.71.mation led to the rise of __________ (新教). The Refo72.What is the name of the famous scientist known for his theory of relativity?A. Isaac NewtonB. Albert EinsteinC. Galileo GalileiD. Nikola Tesla 答案: B73.The element with the symbol Te is __________.74.My aunt loves to __________. (看书)75. A _______ is a good choice for beginning gardeners.76.What do you call the main part of a plant that supports it?A. RootB. StemC. LeafD. Flower答案:B77.What do you call a young female goat?A. KidB. CalfC. LambD. Pup答案: A78.My cousin is a talented ____ (photographer).79._____ (多肉植物) store water in their leaves.80.The ancient Romans used ________ for building strong structures.81. A __________ is a piece of land that projects into a body of water.82.I want to buy a new __________.83.The ______ (植物生长) cycle is fascinating.84.The _____ (penguin) is waddling.85.The ancient Egyptians used ________ for their writing system.86.The ____ has a fluffy tail and likes to chase after insects.87.The finch is a small _______ (鸟) that sings beautifully.88.The __________ is a major river in South America. (亚马逊河)89.I have a pet ________ that loves to play.90.She has a ___ (nice) dress.91.What is the name of the famous rock band from Liverpool?A. The Rolling StonesB. The BeatlesC. Led ZeppelinD. Pink Floyd 答案:B92.How many sides does a triangle have?A. 3B. 4C. 5D. 6答案:A 393.The snapping turtle can bite very _________ (痛).94.The __________ is the part of a plant that holds leaves and flowers.95.continent) of Australia is both a country and a landmass. The ____96.The chemical formula for rust is _______.97.The first man-made satellite was ________ (斯普特尼克).98.What do you call a place where you can buy books?A. LibraryB. StoreC. SchoolD. Park答案:B99.The formula for carbon dioxide is _______.100.An electrolyte conducts ______ when dissolved in water.。

2024年研究生考试考研英语(一201)复习试题及解答参考一、完型填空（10分）Cloze TestDirections: There are 20 blanks in the following passage. For each blank there are four choices marked A, B, C and D. Choose the ONE answer that best fits into the passage. Then mark the corresponding letter on the Answer Sheet with a single line through the centre.Passage:The world has witnessed significant changes in communication over the past century. From handwritten letters to instant messages, technology has revolutionized how we stay connected. 1 the advent of smartphones and social media, people can now communicate almost instantly with others around the globe. However, this shift towards digital communication has not been without its 2. Critics argue that the personal touch in conversations has been lost, as face-to-face interactions have become less frequent. Moreover, privacy concerns have 3 as individuals share more personal information online.Despite these challenges, the benefits of modern communication cannot be denied. It has enabled us to form communities that transcend 4 boundaries,allowing for the exchange of ideas and support across vast distances. Businesses too have benefited from improved communication technologies, which have facilitated international trade and 5 collaboration among teams working remotely.Yet, it is important to strike a balance between embracing new technologies and maintaining traditional forms of interaction. 6, there should be an effort to educate people about the responsible use of technology to ensure that the advances we make do not come at the expense of our personal connections or 7 security. As we move forward, it will be crucial to develop technologies that enhance rather than 8 human interaction.In conclusion, while the evolution of communication has brought about many positive changes, it also presents challenges that need to be 9. By using technology wisely and preserving the value of direct human contact, we can enjoy the advantages of both the old and the new ways of 10.1.A. With B. Since C. On D. At2.A. downsides B. sides C. sides down D. down3.A. risen B. raised C. aroused D. arisen4.A. geographical B. geology C. geography D. geological5.A. enhanced B. enhance C. enhancing D. enhances6.A. Therefore B. Thus C. However D. Consequently7.A. personal B. personnel C. person D. personality8.A. detract B. detracts C. detracting D. detracted9.A. addressed B. addresses C. addressing D. address10.A. communicating B. communicated C. communicates D. communicateAnswers:1.A. With2.A. downsides3.D. arisen4.A. geographical5.A. enhanced6.A. Therefore7.A. personal8.C. detracting9.A. addressed10.A. communicating(Note: The correct answers for the remaining blanks follow the same pattern as provided above.)This exercise aims to test vocabulary, grammar, and reading comprehension skills, much like what could be expected in a real examination setting.二、传统阅读理解（本部分有4大题，每大题10分，共40分）First QuestionPassage:In a world increasingly dominated by technology, the importance ofmaintaining human connections cannot be overstated. Despite the conveniences brought about by digital advancements, face-to-face interactions remain a fundamental aspect of human society. This passage explores the impact of technology on our interpersonal relationships and argues for a balanced approach to integrating technology into our daily lives.The advent of smartphones and social media has undoubtedly changed the way we communicate. While these tools have made it easier to stay in touch over long distances, they have also led to a decrease in the quality of communication. People are more connected than ever before, yet loneliness rates continue to rise. The superficial nature of online interactions cannot replace the depth of personal connection that comes from real-life conversations.Moreover, the reliance on technology can lead to a lack of privacy and an erosion of personal boundaries. Information shared online is never truly private, and once it’s posted, it’s virtually impossible to co mpletely remove it. This constant exposure can create stress and anxiety, contributing to mental health issues.On the other hand, technology can be used to enhance our relationships when applied thoughtfully. Video calls allow us to see the faces of loved ones who live far away, making the distance seem less daunting. Online platforms can facilitate support groups and communities where people with similar interests or challenges can connect.Therefore, the key is not to abandon technology but to use it judiciously.It’s essential to recognize when it enhances our lives and when it detracts from meaningful experiences. Balancing the use of technology with genuine human interaction ensures that while we benefit from technological advances, we don’t lose the richness of human connection.Questions:1、What is the main argument presented in the passage?A. Technology should be completely abandoned.B. Face-to-face interactions are less important than online communications.C. The impact of technology on interpersonal relationships is both positive and negative.D. Social media is beneficial for all types of communication.Answer: C.2、According to the passage, what is a potential downside of increased connectivity through technology?A. Improved mental health.B. Enhanced privacy.C. Increased feelings of isolation.D. Stronger family ties.Answer: C.3、How does the author suggest technology could be beneficial for maintaining relationships?A. By replacing all face-to-face meetings with video calls.B. By providing platforms for people to connect based on common interests.C. By ensuring all information shared online remains private.D. By encouraging the use of social media at all times.Answer: B.4、What does the author imply about the use of technology in our daily lives?A. It should be avoided as it always leads to negative outcomes.B. It should be embraced without any restrictions.C. It should be used selectively to complement real-life interactions.D. It should replace traditional forms of communication entirely.Answer: C.5、Which of the following best summarizes the author’s perspective on the role of technology in society?A. Technology is inherently detrimental to society.B. Technology is a tool that should be used wisely to maintain healthy relationships.C. Technology has no significant effect on how people interact.D. Technology is solely responsible for the rise in loneliness rates.Answer: B.This completes the first question of the traditional reading comprehension section. Please note that the answers provided are hypothetical and should be considered correct within the context of this fabricated passage.第二题Passage:The rapid development of technology in the past few decades has had a profound impact on society, transforming the way we live, work, and communicate. One of the most significant advancements has been the internet, which has revolutionized the way we access information and interact with others. However, this digital revolution has also brought about challenges, such as information overload, privacy concerns, and the potential for social isolation.The internet has become an indispensable tool for researchers, educators, and students alike. It provides access to a vast array of resources, from academic journals to online courses. This ease of access to information has democratized education, allowing individuals from all walks of life to gain knowledge and skills. Moreover, the internet has facilitated global collaboration and the exchange of ideas, breaking down geographical barriers.Despite its many benefits, the internet also presents several challenges. One major concern is the overwhelming amount of information available. With so much data at our fingertips, it can be difficult to discern what is credible and relevant. Additionally, the internet has raised serious privacy issues, as personal data can be easily collected and misused. Furthermore, there is a growing concern about the potential for social isolation, as more people spend time online and less time engaging in face-to-face interactions.In the workplace, the internet has transformed the way we communicate and collaborate. Email, instant messaging, and video conferencing have made itpossible to connect with colleagues around the world in real-time. This has increased productivity and efficiency, as well as fostering a more global perspective. However, it has also led to a decrease in face-to-face communication, which can hinder team cohesion and interpersonal relationships.Questions:1、What is one significant advancement mentioned in the passage related to the internet?2、How has the internet affected education according to the passage?3、What is a major concern regarding the internet’s impact on information?4、What potential challenge is mentioned in the passage related to personal data?5、How has the internet changed workplace communication and collaboration?Answers:1、The internet.2、It has democratized education, allowing individuals from all walks of life to gain knowledge and skills.3、The overwhelming amount of information available can be difficult to discern.4、The potential for personal data to be easily collected and misused.5、The internet has made it possible to connect with colleagues around the world in real-time, increasing productivity and efficiency.第三题The following is an excerpt from an article titled “The Evolution of Smartphones” by Dr.Jane Smith.In the last decade, smartphones have revolutionized the way we communicate, access information, and live our daily lives. The first smartphones were introduced in the late 1990s, but it was not until the early 2000s that they became truly popular. These early models were often bulky and limited in functionality, but they laid the foundation for the sleek, powerful devices we use today.1、The author mentions that the first smartphones were introduced in the late 1990s. What is the significance of this timing in the context of technological advancements?A. The late 1990s marked the beginning of the internet era.B. The late 1990s saw the rise of personal computers.C. The late 1990s was when the first computer viruses were discovered.D. The late 1990s was a period of economic recession.2、The article states that early smartphones were often bulky and limited in functionality. How did these limitations compare to the smartphones of today?A. Early smartphones had more features than current models.B. Early smartphones were more compact and had more advanced features.C. Early smartphones were bulkier and had fewer features than current models.D. Early smartphones had similar features to current models but weresmaller.3、The phrase “lay the foundation” in the second paragraph suggests that the early smartphones had a significant impact on the development of later devices. What does this imply about the evolution of smartphones?A. The evolution of smartphones has been slow and gradual.B. The evolution of smartphones has been rapid and transformative.C. The evolution of smartphones has been stagnant and uneventful.D. The evolution of smartphones has been inconsistent and unpredictable.4、The author uses the word “popular” to describe the smartphones of the early 2000s. What does this word imply about the adoption of smartphones during that time?A. Only a small number of people were using smartphones.B. Smartphones were widely adopted by the general public.C. Smartphones were only popular among a niche market.D. Smartphones were not used by many people until the late 2000s.5、According to the article, what has been the most significant change in smartphones over the past decade?A. The increase in screen size.B. The development of advanced cameras.C. The integration of artificial intelligence features.D. The reduction in device size.答案：1、A2、C3、B4、B5、C第四题Reading Comprehension (Traditional)TextThe rise of the digital age has transformed the way we live, work, and interact. With the advent of the Internet and the proliferation of smartphones, information is more accessible than ever before. This has led to a significant shift in how we consume media, communicate with one another, and even how we learn. In education, for instance, e-learning platforms have become increasingly popular, offering a flexible alternative to traditional classroom settings. Students can now access course materials, participate in discussions, and complete assignments from virtually anywhere.Despite the advantages, there are concerns about the impact of this digital transformation on social skills and personal interaction. Some argue that the reliance on screens for communication is leading to a decline in face-to-face interactions, which are crucial for developing empathy and understanding. Moreover, the constant bombardment of information can be overwhelming, potentially affecting mental health and the ability to concentrate on a singletask. It’s important to strike a balance between embracing the benefits of technology and maintaining meaningful human connections.On the other hand, the digital era has also opened up new opportunities for creativity and innovation. The ease of sharing ideas across the globe has sparked a wave of collaborative projects and cross-cultural exchanges. Artists, scientists, and entrepreneurs can connect and collaborate like never before, fostering an environment where novel solutions to complex problems can emerge. Additionally, the democratization of information means that knowledge is no longer confined to a select few, empowering individuals to educate themselves and contribute to society in unprecedented ways.As we continue to navigate this evolving landscape, it’s clear that the digital revolution will play a pivotal role in shaping our future. While challenges certainly exist, they are accompanied by a vast array of possibilities. Embracing these changes thoughtfully and responsibly will be key to harnessing the full potential of the digital age, ensuring that it serves to enrich rather than detract from the quality of life for all.Questions1、According to the passage, what is one of the primary impacts of the digital age on education?•A) It has made traditional classrooms obsolete.•B) It has introduced e-learning as a flexible option.•C) It has eliminated the need for teachers.•D) It has decreased the overall cost of education.•Answer: B) It has introduced e-learning as a flexible option.2、What concern does the text raise about the effects of increased screen time on individuals?•A) It improves their social skills significantly.•B) It enhances their ability to multitask.•C) It may lead to a decrease in face-to-face interactions.•D) It reduces the amount of information available.•Answer: C) It may lead to a decrease in face-to-face interactions.3、Which of the following is mentioned as a positive aspect of the digital era?•A) The simplification of complex problems.•B) The reduction in the diversity of ideas.•C) The increase in global collaboration and idea sharing.•D) The centralization of information control.•Answer: C) The increase in global collaboration and idea sharing.4、How does the passage suggest we should approach the ongoing digital transformation?•A) By rejecting technological advancements.•B) By limiting access to digital devices.•C) By carefully balancing its use with human interaction.•D) By completely relying on digital solutions for all aspects of life.•Answer: C) By carefully balancing its use with human interaction.5、What does the passage imply about the future of the digital revolution?•A) It will have no significant impact on society.•B) It will only bring negative consequences.•C) It will offer both challenges and opportunities.•D) It will solve all current societal issues.•Answer: C) It will offer both challenges and opportunities.This reading comprehension exercise is designed to test your understanding of the given text and your ability to extract relevant information.三、阅读理解新题型（10分）Title: The Role of Exercise in Brain HealthReading passage:In recent years, scientists have been increasingly interested in the relationship between exercise and brain health. While many people are aware of the physical benefits of regular physical activity, the cognitive benefits of exercise have also been a topic of significant research. This passage explores the role of exercise in maintaining and improving brain health.Exercise has been shown to have a positive impact on brain health in several ways. Firstly, physical activity increases blood flow to the brain, which can enhance cognitive function. Secondly, exercise stimulates the release of neurotransmitters, such as endorphins and serotonin, which can improve mood and reduce stress. Lastly, regular exercise can help to reduce the risk of developing neurological disorders, such as Alzheimer’s disease and Parkinson’s disease.One study published in the Journal of Neurology, Neurosurgery, and Psychiatry found that individuals who engaged in moderate-to-vigorous physical activity for at least 150 minutes per week had a lower risk of cognitive decline than those who were inactive. Additionally, another study published in the American Journal of Epidemiology found that regular exercise was associated with a reduced risk of developing Alzheimer’s disease.The benefits of exercise on brain health are not limited to older adults. Research has shown that exercise can also have a positive impact on children and adolescents. For instance, a study published in the journal NeuroImage found that children who participated in a physical activity program for 10 weeks showed improvements in cognitive function, including memory and attention.Despite the numerous benefits of exercise on brain health, it is important to note that not all types of exercise are equally effective. Aerobic exercises, such as walking, running, and swimming, have been found to have the most significant impact on brain health. Additionally, strength training exercises can also contribute to improved brain health by enhancing cognitive function and reducing the risk of neurological disorders.Questions:1.What is the main purpose of the passage?A. To discuss the physical benefits of exercise.B. To explore the role of exercise in maintaining and improving brain health.C. To examine the relationship between exercise and neurological disorders.D. To analyze the effects of exercise on cognitive function in children.2.According to the passage, how does exercise benefit brain health?A. By increasing blood flow to the brain and stimulating the release of neurotransmitters.B. By improving mood and reducing stress.C. By reducing the risk of neurological disorders.D. All of the above.3.What was the main finding of the study published in the Journal of Neurology, Neurosurgery, and Psychiatry?A. Individuals who engaged in moderate-to-vigorous physical activity had a higher risk of cognitive decline.B. Individuals who were inactive had a lower risk of cognitive decline than those who engaged in physical activity.C. There was no significant difference in cognitive decline between individuals who were active and inactive.D. Regular exercise had no impact on cognitive decline.4.According to the passage, what type of exercise has been found to have the most significant impact on brain health?A. Strength training exercises.B. Aerobic exercises, such as walking, running, and swimming.C. Yoga and meditation.D. High-intensity interval training.5.What is the main conclusion of the passage?A. Exercise has no impact on brain health.B. Only older adults can benefit from exercise in maintaining and improving brain health.C. Regular exercise is crucial for maintaining and improving brain health across all age groups.D. The type of exercise that benefits brain health is not well-established.Answers:1.B2.D3.B4.B5.C四、翻译（本大题有5小题，每小题2分，共10分）第一题Translate the following paragraph into English.“随着科技的飞速发展，人们的生活方式发生了翻天覆地的变化。

小学上册英语第四单元期中试卷(有答案)英语试题一、综合题(本题有100小题，每小题1分，共100分.每小题不选、错误，均不给分)1.Wildflowers bloom in ______ (自然) settings.2. A physical change does not alter the ________ of a substance.3.I enjoy creating stories with my toy ________ (玩具名称).4.The ants are ___ (working) together.5. A _______ can be a great hobby.6.The _______ (The Space Race) was a major aspect of the Cold War rivalry.7.The Age of Enlightenment emphasized reason and _______.8.I like to play ______ (games) on my tablet.9.My friend is a ______. He enjoys helping in the community.10.How many colors are there in a standard pack of crayons?A. 16B. 24C. 32D. 64答案: D11.中国的________ (art) 在历史上有着丰富的表现形式。

12.The capital of Canada is ________ (加拿大的首都是________).13.The ancient Romans used concrete for ________ (建筑).14.My cat enjoys the warmth of the _______ (阳光).15.We have a ______ (大) celebration for our achievements.16.Her favorite animal is a _______.17.The story is very ________.18. A _______ is a type of mixture that does not settle out over time.19. A ______ (狗) has a keen sense of smell.20. A molecule is formed when two or more atoms are _______ together.21.I wish my __________ (玩具名) could talk!22.My uncle is a ______. He travels a lot for work.23.My mom is a fantastic __________ (厨师).24.The process of fermentation can produce __________ and carbon dioxide.25.The __________ (峡谷) is deep and wide.26.Which of these is a mode of transportation?A. BicycleB. SofaC. TableD. Bed答案: A27.Light from the Sun is essential for ______ life.28.The stars are ______ at night. (shining)29.The invention of the telegraph transformed long-distance _____.30.My favorite type of food is ______.31.My uncle gave me a ________ (飞行员玩具) that can launch into the air. It’s thrilling!32.What is the name of the toy that consists of small colorful bricks?A. Action FigureB. DollC. LEGOD. Puzzle答案: C33.We have a ________ (festival) every year.34. A dragonfly can hover in ________________ (空中).35.The Big Bang theory explains the ______ of the universe.36.The atomic number of an element represents the number of _______ in its nucleus.37.The ______ (生态) is diverse in nature.38.The cat is _____ (小).39.I have _____ (a/an) idea.40.An electric circuit needs a ______ to flow.41.What is the name of the famous British author known for his detective novels?A. Agatha ChristieB. J.K. RowlingC. Charles DickensD. George Orwell答案: A. Agatha Christie42.The sun is ______ in the sky. (bright)43.The elephant's ears help to regulate its ________________ (体温).44.The ______ helps protect the inner organs of the body.45.I made a friendship bracelet for my ________ (朋友). It’s colorful and very________ (特别).46.The ____ swims gracefully and has vibrant colors.47.The _____ (spaceship) Apollo 11 took astronauts to the moon.48.The flowers are ___ (blooming) in the garden.49.The chemical symbol for zinc is _______.50.The chemical symbol for silicon is ______.51.She loves to _____ (dance/sing) at parties.52.Which animal is known for its long neck?A. GiraffeB. ElephantC. KangarooD. Lion答案: A53. A compound that can donate electrons is called an ______.54.The boiling point of water is _____ degrees Fahrenheit.55.What do we call a person who plays music?A. ArtistB. MusicianC. WriterD. Painter答案: B56.I keep my toys in a ________.57.My aunt enjoys attending ____ (concerts).58.My aunt has a beautiful ____.59.The __________ (国际关系) shape global interactions.60.The dog is _____ by the tree. (sitting)61.The Sun is about ______ times larger than the Earth.62.I like to ________ my friends at the park.63.My sister loves __________ (参与志愿服务).64. A chemical reaction requires a change in ______.65. A ladybug is often found on ______ (花瓣).66.He is my best ___ (friend).67.The chemical symbol for germanium is _____.68. A _____ (植物探索) can lead to new discoveries in botany.69.The ancient civilization of ________ is revered for its artistic achievements.70.The chemical formula for table sugar is ______.71.The athlete won a _____ (奖牌) in the competition.72.ens have __________ (风景秀丽) views. Some pla73.What do we call the young of a cow?A. CalfB. KidC. LambD. Foal答案: A74.The ______ (植物研究) helps us understand ecosystems.75.My cousin is in a ____ (band) and plays the drums.76.I like to ___ (play/watch) games.77.I like to use my toy ________ (玩具名称) for creative projects.78.The _____ (自然公园) showcases diverse plant life.79.The soup is ________ hot.80.The roots anchor the plant in the __________ (土壤).81.The main gas emitted by factories is __________.82.The _______ of an object can be influenced by its shape and size.83.Which of these is a vegetable?A. BananaB. PotatoC. AppleD. Grape答案:B84.The first successful organ donation was performed in ________.85.The chipmunk stores nuts in its ______.86.__________ (物质循环) describes how elements move through the ecosystem.87.Ferns are a type of ______ (植物) that do not have flowers.88.The __________ will help us know if we need to prepare for rain. (天气预报)89.We play ________ (games) after school.90.My friend loves __________ (探险) in nature.91.The ________ (initiative) encourages innovation.92.The hummingbird can hover in ______ (空中) thanks to its wings.93.Which fruit is typically orange in color?A. AppleB. BananaC. OrangeD. Grape答案: C94.My sister enjoys _______ (动词) with her friends. 她的朋友们都很 _______ (形容词).95.The _____ (soil) needs to be rich for healthy plants.96.The __________ (历史的多样性) enriches our narratives.97.Hydrogen is the lightest __________ in the universe.98. A _______ can be used to measure the resistance of a circuit.99. A chemical change can produce gas, light, or ______.100. A _______ is a method of separating substances based on their size.。

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SEDIMENTARY ARCHIVES
Sea Level Changes
Vail Curve
SEDIMENTARY ARCHIVES
Sea Level Changes Sequence Stratigraphy
SEDIMENTARY ARCHIVES
Sea Level Changes Sequence Stratigraphy /clastic-movie.html
THE FOSSIL RECORD
Paleontology Fossil Preservation Cover this aspect in laboratory Fossilization fortuitous Chances enhanced by Hard parts Rapid burial Environments Oceans, lakes and streams
SEDIMENTARY ARCHIVES
Sea Level Changes Sequence Stratigraphy Epeiric seas Seas covered continents Produced packages called sequences Led to sequence stratigraphy
THE FOSSIL RECORD
Taphonomy What happens to an organism from time of death to preservation as a fossil Soft parts usually lost
SEDIMENTARY ARCHIVES
SEDIMENTARY ARCHIVES
Classification of Sedimentary Rocks