期末测试题及第十一册答案

小学上册英语第三单元期末试卷(含答案)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 aunt has a farm with many ______ (动物).2.The ______ (温室效应) can impact plant habitats.3. A ____(green infrastructure) integrates nature into urban planning.4.I dream of creating a toy that promotes ________ (名词) and kindness.5.The _______ of a pendulum can be affected by its mass.6.The ______ teaches us about modern technology.7.The chemical formula for glucose is __________.8.Cherry _______ are red and delicious to eat.9.The capital of Bonaire is __________.10.The _______ can be a source of food and shelter.11.The cat is very _______ (可爱) and loves to play.12.I want to ________ (innovate) solutions.13.What do we call the outer layer of the Earth?A. CoreB. MantleC. CrustD. Atmosphere答案:C14.Which word means "to look at something closely"?A. StareB. GlanceC. PeekD. Gaze答案: D15.I have a pet ______ (fish).16.The puppy is very ______ (playful).17. A base can neutralize an _______.18.An oxidizing agent is a substance that can accept _____.19.The chemical formula for lithium carbonate is _____.20.I have a toy ________ that can soar through the air.21.What is the name of the famous American singer known for "Like a Prayer"?A. MadonnaB. Britney SpearsC. Lady GagaD. Janet Jackson答案:A22.We have a ______ (愉快的) celebration for achievements.23.My aunt enjoys giving ____ (advice) to others.24.What is the name of the famous English playwright?A. Charles DickensB. William ShakespeareC. George OrwellD. Jane Austen 答案: B25.Read and choose.(看图标号。

小学六年级语文第十一册期末复习卷学校班级姓名（90分钟）一、拼音。

91.看拼音写词语。

5màn yïu yùn hán qín jiàn jiǒnɡ xianɡ( ) ( ) ( ) （）fēn zhìtàlái búluîkējiùyīn qín qìɡài( ) ( )( ) ( )二、在下四组的加点字中，读音完全正确的一组是（）。

11、A：勉．(mian)励婴．(ying)儿莱茵．(yin)河谱．(pu)写B：凝．(ning)重塑．(suo)料气概．(gai) 霎．(sha)时间C：畜．(chu)生厨．(chu)房松脂．(zhi) 模．(mo)样D：掀．(xian)起溜．(liu)走朦胧．(long) 铲．(chan)平2．写出下面带点词语的意思。

2今我来思，雨雪霏霏。

______________________________随风潜入夜，润物细无声。

_______________________________明月别枝惊鹊____________________________洋洋兮若江河______________________3、选择下列句子中加点字的意思，将正确答案的序号写在括号里。

3光：①一点不剩②荣誉、光彩③只、单1．女排姑娘当年顽强拼搏，为祖国争了光。

（）2．落光了叶子的柳树挂满了亮晶晶的银条儿。

（）3．任务如此艰巨，光靠你们两人恐怕不行。

（）安：①怀着②平安③安装1．党的富民政策使小山村户户都安上了有线电视。

（）2．经医生全力抢救，英雄已转危为安了。

（）3．刁德一这样一说，不知他安的什么心。

（）三、词语积累与运用。

131.照样子写出带有“清”字的词语，分别和下面的词语搭配。

（填上的词语不重复）3例：（清爽）的天气（）的溪水（）的足迹（）的汽水（）的月光（）的回答（）的叫声2.把词语补充完整,并按要求写四字词语，相信你能行！（3分）久别重（）恍然大（）和（）可亲（）崖峭壁笔走龙（）独具（）心3.按要求写词语。

六年级数学第一学期期末复习试卷(人教版）考试时间：100分钟姓名：一、填空题。

20分1、214 小时=（ ）小时（ ）分 3040立方厘米=（ ）立方分米2、（ ）72 =15÷（ ）=（ ）÷30=七五折=（ ）%3、圆的周长是6.28分米，那么半圆的周长是（ ）分米。

4、把3.14、31.4%、3950 、三成四、π五个数从大到小排列（ ）﹥（ ）﹥（ ）﹥（ ）﹥（ ）5、40米的15 正好是50米的（ ）%。

48米减少14 后是（ ）米。

6、甲数是415 ，比乙数少20%，乙数是（ ）。

7、把5米长的绳子平均剪成8段，每段长是（ ）米，每段是全长的（ ）。

8、 六（3）班今天有48人到校上课，有2人请假， 六（3）班今天的出勤率是（ ）%。

9、一根绳子第一次用去20%，第二次又用去余下的20%，两次相差2米。

这根绳原来的长()米。

二、我是小法官，对错我来断。

10分1、如果A 和B 互为倒数，那么1÷A=B 。

…………………………（ ）2、10克糖溶于100克水中，糖占糖水的10%。

………………（ ）3、质检部门在市场上抽查是发现：40箱苹果汁中只有30箱合格，50箱荔枝汁中只有35箱合格，因此，荔枝汁的合格率高于苹果汁。

………………（ ） 4、120千克的34 就是90。

…………………………（ ）5、甲数比乙数多20％，乙数就比甲数少20％………… （ ）三、请你选一选。

（把正确答案的序号填入括号里）10分1、用一块长12米、宽8米的长方形铁皮剪成半径是1．5米的小圆（不能剪拼），至多能做{ }个。

A 、11个B 、8个C 、10个D 、13个2、一个三角行的底与高都增加10%，新三角形的面积比原来三角形的增加（ ）A 、20%B 、21%C 、120%D 、121%3、某人18 小时步行34 千米，求步行一千米需要多少小时？算式是( )A 、18 ÷ 34B 、34 ÷ 18C 、18 ÷ 34D 、34 ÷ 184、如右图，以大圆的半径为直径画一小圆，大圆的周长是小圆周长的( )倍。

平顶山2024年03版小学四年级上册英语第一单元期末试卷[含答案]考试时间：90分钟（总分:120）A卷考试人：_________题号一二三四五总分得分一、综合题(共计100题)1、听力题：Oxidation reactions involve the ________ of electrons.2、填空题：A __________ (电子) is a negatively charged particle found in atoms.3、听力题：The ____ has a bright red color and is often seen in spring.4、填空题：I like to go ________ (出租车) with my friends.5、听力题：The __________ can reveal the geological timeline of Earth.6、听力题：The chemical formula for ammonium dichromate is _______.7、填空题：A bear can stand on its ________________ (后腿).8、听力题：A non-metal typically has a ______ melting point.9、选择题：What is the name of the famous animal that is known for its intelligence and ability to solve puzzles?A. DogB. CatC. DolphinD. Parrot10、What is the capital of Indonesia?A. JakartaB. BaliC. SurabayaD. Bandung答案: A11、What is the name of the famous painting by Leonardo da Vinci?A. The Starry NightB. The Last SupperC. The Girl with a Pearl EarringD. Mona Lisa答案: D12、听力题：The _____ is the study of the universe beyond Earth.13、填空题：The ________ (人工栽培) supports agriculture.14、听力题：A _______ is a type of bond that occurs between two nonmetals.15、What do we call the tool used to cut hair?A. ScissorsB. KnifeC. BladeD. Cutter16、听力题：My dad drives a ___ (car/bike).17、听力题：The chemical formula for caffeine is _______.18、填空题：Please tell your _____ (老师) about the project.19、填空题：The ________ was a significant treaty that ended decades of conflict.20、听力题：We are going to ______ a movie tonight. (watch)21、填空题：A _______ (青蛙) lives in wet areas.22、听力题：They are _____ (friends/enemies) at school.23、听力题：Frogs can make a ______ sound.24、air quality) affects health and environment. 填空题：The ____25、听力题：The process of mixing two liquids to create a solid is called ______.26、What is the name of the famous ancient city in Greece?A. AthensB. SpartaC. CorinthD. Delphi27、听力题：The pH scale measures how __________ a substance is.28、填空题：A dog's bark can signal excitement or ________________ (警告).29、What do we call the process by which plants release oxygen?A. PhotosynthesisB. RespirationC. TranspirationD. Germination答案: A30、选择题：What is the natural habitat of penguins?A. ForestB. DesertC. Polar RegionsD. Ocean31、What is the capital of Australia?A. SydneyB. MelbourneC. CanberraD. Brisbane答案: C32、What is the name of the famous detective created by Arthur Conan Doyle?A. Hercule PoirotB. Sherlock HolmesC. Philip MarloweD. Sam Spade答案: B33、听力题：A chemical change alters the _____ of a substance.34、填空题：The _____ (狒狒) is a type of monkey found in Africa.35、听力题：The Milky Way is a spiral ______.36、填空题：The __________ (历史的选择) can impact future generations.37、填空题：A hedgehog rolls into a ball when it feels ______ (害怕).38、听力题：A solution containing sugar and water is an example of a ______.39、听力题：The _____ (rainbow) has many colors.40、填空题：The _______ (老虎) is often found in the jungle.41、What do we call a young male horse?A. ColtB. FillyC. FoalD. Mare答案:A42、填空题：A ______ (青蛙) can jump very far.43、填空题：We have a ______ (愉快的) experience planned for the weekend.44、听力题：There are many _____ (stars) in the sky.45、听力题：My brother plays the ____ (trumpet) in the band.46、听力题：A light year is a measure of ______, not time.47、听力题：Metals are usually ______ and can be shaped easily.48、听力题：She is studying to be a ________.49、听力题：An electrolyte conducts ______ when dissolved in water.50、选择题：What is the name of the famous children's book character who went to Wonderland?A. Peter PanB. AliceC. DorothyD. Huck Finn51、填空题：I enjoy going outside when it’s __________. (阳光明媚的)52、填空题：I like to go camping in the ______ (森林) and explore nature. It’s a great way to relax and unwind.53、听力填空题：I love going to the __________ to learn about different animals.54、填空题：The _______ (猫) likes to scratch furniture.55、听力题：The bumblebee buzzes around the ____.56、填空题：My favorite sport is _______ (滑板).57、填空题：She is an _____ (作家) and writes amazing stories.58、What do we call a scientist who studies ancient civilizations?A. ArchaeologistB. HistorianC. AnthropologistD. Sociologist答案: A59、听力题：The apples are _____ and shiny. (red)60、填空题：I planted a _____ in my backyard.61、Which fruit is known for having seeds on the outside?A. BananaB. StrawberryC. AppleD. Grape62、选择题：What is 30 - 15?A. 10B. 12C. 15D. 1863、听力题：A _______ mixture has a uniform composition throughout.64、eonic Wars reshaped the map of _____. 填空题：The Neol65、听力题：A heterogeneous mixture can be seen with the ______.66、填空题：The _____ (丰收) time is exciting for farmers.67、What do we call a collection of animals living in the same habitat?A. CommunityB. PopulationC. EcosystemD. Biome答案: C. EcosystemThe bee collects ______ from flowers.69、What is the name of the princess in "Frozen"?A. ArielB. BelleC. ElsaD. Moana答案:C70、听力题：Some trees lose their leaves in the ______.71、选择题：What is the capital of Colombia?A. BogotáB. MedellínC. CaliD. Cartagena72、填空题：A ____(regional collaboration) addresses cross-border issues.73、What is 10 3?A. 6B. 7C. 8D. 974、听力题：The children are ___ in the playground. (playing)75、填空题：I want to _______ (学习) how to draw.76、填空题：A parrot has bright ______ (羽毛).77、选择题：Which one of these is a primary color?A. GreenB. BlueC. PurpleD. OrangeI like to play ________ (乐器).79、听力题：I want to learn how to ______ (skate) on ice.80、听力题：The process of breaking down substances into simpler ones is called ______.81、听力题：The milk is in the ___ (fridge/cupboard).82、听力题：The atomic structure of an atom consists of a nucleus and ______.83、听力题：The book is _____ (interesting/boring).84、What do you call the food we eat for breakfast?A. LunchB. DinnerC. BreakfastD. Snack答案: C85、填空题：The invention of the wheel was a major __________ (发明).86、What is the name of the famous American author known for writing "The Adventures of Huckleberry Finn"?A. Mark TwainB. Ernest HemingwayC. F. Scott FitzgeraldD. John Steinbeck答案：A87、听力题：I like to _____ (ride) my skateboard.88、What is the opposite of "wet"?A. DryB. HumidC. MoistD. DampThe puppy is ______ with a toy. (playing)90、听力题：The park is ______ (perfect) for picnics.91、填空题：A ____(strip mine) removes layers of soil for minerals.92、What do we call a person who helps sick people?A. TeacherB. EngineerC. DoctorD. Artist答案:C93、填空题：The ______ is very fast.94、听力题：A __________ is an important aspect of environmental science.95、填空题：My pet goldfish swims in the ______.96、听力题：The chemical symbol for niobium is _______.97、听力题：My sister has a pet ________.98、填空题：My teacher’s name is ____.99、选择题：What do we call the part of the plant that absorbs water and nutrients from the soil?A. StemB. RootsC. LeavesD. Flower100、听力题：The chemical formula for glucose is __________.。

人教版物理-八年级下册-第十一章-功和机械能-计算专题-期末巩固练习一、单选题1.如图所示，滑雪运动员从最高处的A点由静止开始下滑到最低处B点的过程，下列说法中正确的是（）A. 滑雪运动员在A点时没有动能，只有重力势能B. 滑雪运动员在A点时只有动能，没有重力势能C. 滑雪运动员从A点到B点的过程中，机械能不变D. 滑雪运动员从A点到B点的过程中，动能转化为重力势能2.下列关于功、功率的说法正确的是（）A. 功率大的机器做功快B. 做功快的机器做功时间一定短C. 做功多的机器功率一定大D. 功率小的机器做功时间一定长3.举重是我国的优势体育项目．一位身高180cm的运动员和一位身高160cm的运动员，在挺举项目中用相同时间把同样重的杠铃举起，如果他们对杠钤所做的功分别为W1和W2，功率分别为P1和P2，则下列关系式正确的是( )A. W1=W2、P 1=P2B. W1> W2、P 1>P2C. W1> W2、P 1=P2D. W1< W2、P 1<P24.在一次体育课上，甲、乙两同学进行爬竿比赛．甲从某一位置匀速爬到竿顶用时9s，乙从同一位置匀速爬到竿顶用时10s，若甲、乙两人体重之比是6：5，则他们爬竿的功率之比为P甲：P乙是（）A. 4：3B. 3：4C. 27：25D. 25：275.在下列事例中物体没有做功的是A. 马拉圆木前进B. 中学生背书包沿平直公路行走C. 叉车举起货物D. 燃气推动火箭升空6.粗糙水平面上有一个重为50N的物体，用10N的水平推力使其在10s匀速前进了20m，则在此过程中（）A. 摩擦力为50NB. 推力做了1000J的功C. 重力做了100J的功D. 推力做功的功率为20W7.汽车在高速公路行驶，被限制最大行驶速度，用物理学的思维来解读，其目的是（）A. 限制摩擦力B. 限制惯性C. 限制势能D. 限制动能8.用弹簧测力计沿水平方向两次拉着同一物体在同一水平面上运动，运动的s﹣t图象如图所示．其对应的弹簧测力计示数分别为F1、F2，相同时间内所做的功分别为W1、W2，则它们的关系正确的是（）A. F1>F2W1>W2B. F1>F2W1=W2C. F1=F2W1>W2D. F1=F2W1=W29.如图所示的四种情景中，人做了功的是（）A.踢出去的足球在地上滚动一段距离B.司机推汽车，汽车纹丝不动C. 女孩把一箱报刊搬起来D. 学生背着书包在水平路上匀速前进二、多选题10.电梯是人们日常经常乘坐的设备。

小学五年级上册英语第3单元期末试卷(答案和解释)英语试题一、综合题(本题有50小题，每小题2分，共100分.每小题不选、错误，均不给分)1.Which of the following is used for writing?A. SpoonB. PenC. ForkD. Knife2.Which of these is a vegetable?A. BananaB. CarrotC. CucumberD. Pear3.I ______ (not like) to wake up early, but I ______ (have) to wake up at 6:30 AM for school. I ______ (get) dressed and ______ (eat) breakfast quickly. Then, I ______ (take) the bus to school. After school, I ______ (go) home, do my homework, and ______ (play) outside.4.What is the weather like? It is _____.A. hotB. a hotC. very hotD. hotly5.We __________ (not/have) any homework today, so we __________ (decide) to go outside and play. We __________ (play) basketball for two hours, and then we__________ (sit) in the park and __________ (talk) about our favorite games.6.Anna is a very __________ (1) girl. She is always happy and friendly. She loves to help her __________ (2). At school, Anna is very __________ (3). She likes math and is good at solving __________ (4). Anna also enjoys drawing and is very __________ (5). Every afternoon, she spends some time in the __________ (6), drawing pictures of animals and nature.7.How many days are in a week?A. FiveB. SevenC. TenD. Twelve8.Which of these is a place to live?A. HouseB. CarC. ChairD. Spoon9.Which of these is the opposite of "slow"?A. TallB. FastC. BigD. Small10.I __________ (1) up at 7:00 AM every day. I __________ (2) my breakfast and__________ (3) my schoolbag. Then, I __________ (4) to school with my friends. At school, we __________ (5) many fun activities. I __________ (6) my favorite subject is math.11.Mike loves science. He is doing an experiment in the __________ (1) at school. He is mixing __________ (2) and __________ (3) to see what happens. His teacher is watching closely and giving advice. After the experiment, Mike will write down his__________ (4) in his notebook.12.Which of these is a color?A. GreenB. SpoonC. PlateD. Chair13.What do you wear on your head?A. ShoesB. HatC. PantsD. Shirt14.Which one is correct?A. She am happy.B. She are happy.C. She is happy.D. She happy.15.Which of these is a fruit?A. CarrotB. PotatoC. OrangeD. Cucumber16.What is the opposite of "happy"?A. SadB. TallC. LightD. Hot17.Jack and his sister are baking cookies in the kitchen. Jack pours the __________ into a bowl and adds some __________. His sister mixes the ingredients together with a __________. After shaping the dough into small pieces, they put the cookies on a__________ and bake them in the __________. The house smells delicious!18.What do we use to brush our teeth?A. ToothbrushB. SpoonC. PlateD. Knife19.Which word describes the weather?A. happyB. sunnyC. chairD. pencil20.My family and I ______ (move) to a new house last month. We ______ (be) very excited because it ______ (be) much bigger than our old house. We ______ (decorate)the living room and ______ (buy) new furniture. It ______ (take) a few weeks, but now we ______ (feel) at home.21.What is the opposite of "happy"?A. AngryB. SadC. ExcitedD. Nervousst week, we __________ (1) a trip to the museum. It __________ (2) a great experience. We __________ (3) many old paintings and sculptures. My favorite part__________ (4) the dinosaur exhibition. I __________ (5) to visit again next month.23.Which of these is a mode of transportation?A. BicycleB. TreeC. MountainD. Grass24.My mom ______ (cook) dinner in the kitchen right now. I ______ (help) her by setting the table. My brother ______ (watch) TV in the living room. We ______ (eat) dinner together when it ______ (be) ready.25.Which of the following animals is known for being able to fly?A. PenguinB. ElephantC. ButterflyD. Lion26.What do we use to cut things?A. ForkB. SpoonC. KnifeD. Plate27.Which one is a holiday?A. MondayB. ChristmasC. TuesdayD. Book28.Which one is a time of day?A. MorningB. CupC. PlateD. Spoon29.What do we use to erase mistakes on paper?A. EraserB. KnifeC. ForkD. Plate30.Where do we keep books?A. In the ovenB. In the fridgeC. On the shelfD. In the water31.Which of these is a fruit?A. lemonB. cabbageC. lettuceD. onion32.Which one is a musical instrument?A. GuitarB. PlateC. TableD. Spoon33.Which one is a season?A. SeptemberB. WinterC. SundayD. December34.Which of these is a place where we can learn?A. ParkB. SchoolC. ShopD. Kitchen35.Which of these is a cold drink?A. LemonadeB. CoffeeC. SoupD. Tea36.I __________ (1) to school by bike every day. It __________ (2) about 15 minutes to get there. My school __________ (3) near a park. I __________ (4) my friends at school, and we __________ (5) lunch together. After school, we __________ (6) home by bike.37.Which one is a holiday?A. MondayB. ChristmasC. SummerD. Tuesday38.It is Sunday today, and I __________ (1) go to the library to read some books. I__________ (2) like reading books, especially those about animals. I __________ (3) to find a new book about lions. Last time, I __________ (4) a great book about tigers, and I __________ (5) a lot of things. It __________ (6) very interesting.39.Which of the following is used to write on a piece of paper?A. ChalkB. PaintC. PencilD. Hammer40.Which of these is a vegetable?A. TomatoB. BananaC. AppleD. Carrot41.My teacher __________ (1) very nice. She __________ (2) us many things. Every day, we __________ (3) new words and __________ (4) to write them. I __________ (5) learning English because it __________ (6) very interesting.42.What is the opposite of "fast"?A. SlowB. QuickC. HardD. Long43.I ______ (not/understand) the question in class, so I ______ (ask) my teacher for help. She ______ (explain) it to me, and now I ______ (know) the answer.44.Which word means "very big"?A. SmallB. BigC. HugeD. Tiny45.Which of these is used to write?A. PenB. SpoonC. ForkD. Plate46.This morning, I ______ (forget) to bring my homework to school. I ______ (feel) a bit nervous because the teacher ______ (ask) me to turn it in. I ______ (explain) to her that I ______ (leave) it at home. She ______ (say) it is okay and that I ______ (bring) it tomorrow.47.What is the opposite of "hot"?A. ColdB. WarmC. CoolD. Softst Saturday, my family __________ (1) to the beach. We __________ (2) a lot of fun. My brother and I __________ (3) in the sand while my parents __________ (4) under the umbrella. After that, we __________ (5) ice cream and __________ (6) some photos. It __________ (7) a great day.49.My sister ______ (like) playing the piano, and she ______ (practice) every day. Yesterday, she ______ (perform) a song at the school concert. Everyone ______ (clap) when she ______ (finish), and she ______ (feel) very proud. I ______ (also/learn) to play the piano, but I ______ (not/play) as well as she ______ (do).50.Which one is a vegetable?A. CarrotB. AppleC. OrangeD. Pear(答案及解释)。

郑州市第十一中学物理八年级下册期末试卷含答案一、选择题1．下列是小明对日常生活的估测，其中说法不正确的是（）A．一本物理课本受到的重力是3NB．两颗鸡蛋的质量是100gC．此时太浮山山顶的气压约为9.8×104PaD．自行车是多种机械的组合，这个组合的机械效率可以达到100%2．下列关于力的说法中正确的是（）A．划船时，使船前进的力的施力物体是船桨B．茶杯对桌面的压力是由于桌面发生形变而产生的C．把鸡蛋往碗沿上一磕，鸡蛋就破了，说明力的作用是相互的D．推门时离门轴越近，用力越大，说明力的作用效果与力的方向有关3．“五一”假期期间，小明一家乘坐高铁外出旅游，下列说法正确的是（）A．匀速运动的列车，若它所受的一切外力同时消失，列车会立即停下来B．车速越高，列车越难刹停，说明速度越大，惯性越大C．加速前进时，列车受到的牵引力大于受到的阻力D．站台相对于进站的列车是静止的4．自行车已成为我们绿色出行常用的交通工具，下列措施为了减小摩擦的是（）A．给链条加润滑油B．车座做得宽大C．轮胎上刻有花纹D．用力捏刹车把手5．将同一鸡蛋分别放入盛有不同液体的两个相同烧杯中，鸡蛋静止时液面相平，如图所示。

鸡蛋在甲、乙两杯中所受浮力分别为F1和F2，液体对容器底部的压强分别为p1和p2则（）A．F1= F2，p1< p2B．F1< F2，p1= p2C．F1> F2，p1> p2D．F1= F2，p1= p26．如图所示，有一质量不计的轻质木板，木板上放有一个可连续改变重力的物块，木板左端可绕固定点O转动，右端用竖直向上的拉力F拉住使其始终在水平位置保持平衡。

当物块向左匀速滑动的过程中，若要保持拉力F大小不变，则物块的重力应该（）A．始终不变B．一直变大C．一直变小D．先变大后变小7．两个完全相同的容器盛有质量相等的水，将木块A和金属块B按不同的方式放入水中，A、B静止时的情况如图所示，（设细绳重和体积不计）则下列判断正确的是（）A．甲图容器底部受到水的压强较大B．甲图木块下表面受到水的压强较小C．甲图木块受到的重力大于乙图木块受到的重力D．甲、乙图容器底部受到水的压强大小相等8．如图所示，木块以一定的速度滑过AB点，到C点滑出下落至D点。

学军小学数学第十一册期末测试卷2007.2计算部分:一、填空1．()()()() 9427:()2%28÷====2．要统计读书节期间学校图书馆各类图书的出借数量情况，选择（）统计图比较合适。

3．甲数是13.5，乙数是9，甲数与乙数的最简整数比是（）。

4．大小两个正方体，大正方体的棱长是5厘米，小正方体的棱长是3厘米。

大正方体和小正方体的表面积的比是（）:（）。

5．六年级数学学科竞赛获奖人数与未获奖人数的比是1:7，这次竞赛六年级同学的获奖率是（）%。

6．一个长方体的长、宽、高的比是3:2:5，已知它的宽是4分米，它的表面积是（）平方分米。

7．小明家来了两位客人，妈妈冲了1升果汁，如果用右图中的玻璃杯倒满果汁，两位小客人每人一杯够吗？（）[填够或不够]8．把一个长8分米、宽4分米、高2分米的长方体木料锯成棱长1分米的小正方体，可以锯（）个这样的小正方体；如果在平地上把这些小正方体拼成一个正方体木堆，占地（）平方分米。

（不计损耗）9．判断题。

（正确的在括号里打“√”，错误的打“×”。

）（1）1.8千克的水中放入2克药液，药液与水的重量比是2：1.8=10：9。

（）（2）一个三角形三个内角的度数比是4：3：3，这是一个锐角三角形。

（）（3）左图中，梯形甲与梯形乙的面积比是6：7。

（）（4）下图4个立体的体积都可用“底面积×高”计算。

（）10．右图的图像表示斑马和长颈鹿的奔跑情况看图回答问题：（1）斑马的奔跑路程与时间成（）比例。

（2）估计一下，长颈鹿18分钟跑了（）千米。

（3）从图上看，（）跑得快。

二、计算1. 直接写出得数。

9－0.9= 21－0.25= 1÷211×32= 0.5－51＋0.5－51= 8.1＋41= 0.5÷41= 31434.2+÷= （41＋31）×24= 72÷0.4= 54÷10= 1－52＋53= 16×（1000＋161）＝ 2.4×5＝ 6×58= 532757-+= 1.25×21×8= 2. 选择合理的方法进行计算。