海淀区高三年级查漏补缺练习
英语2019.05
温馨提示：
本查漏补缺题并不是完整套题，请大家根据需要选择性使用。语法填空1-5改编自北师大版教材模块1-5的课本原文。
语法填空（共10小题；每小题1.5分，共15分）
阅读下列短文，根据短文内容填空。在未给提示词的空白处仅填写1个适当的单词，在给出提示词的空白处用括号内所给词的正确形式填空。
第一套
A
I normally wake up about five minutes before my alarm clock 1 (go) off. Then it takes me less than fifteen minutes to wash, get changed, have breakfast, leave home and get on a bus.
I am always the first person 2 (get) to the office. The mornings are very busy and the afternoons are even 3 (busy). By around eight o’clock, I usually find some time to do my own paperwork and answer some personal e-mails.
When I get home at about ten, I look at some 4 (document) that I bring back from the office. I get to bed around midnight when my wife and children are already asleep.
B
Venus and Serena Williams’ road 5success has been amazing. The first time Venus 6 (play) in a big event was in 1996. Since then, she 7(win) Wimbledon and the US Open twice. Serena has continued to improve and make fantastic progress. Has tennis ever caused problems between the sisters? Fortunately, no. “We have played each other before and it hasn’t worried us yet!”
C
The Dragon Boat Festival falls on the fifth day of the fifth month of the lunar year. It is in early summer, 8（mark）the beginning of the hottest season of the year.
The tradition of the Dragon Boat Festival started more than 2,000 years ago. In the old days, dragon boat races9(organize) only by Chinese people. However, in recent years, people from other cultures have also taken part in the races and enjoyed the fun.
There is a special food for the festival. It is called zongzi, 10is sticky rice in fresh bamboo leaves.
第二套
A
Auckland is the 1 (large) city in New Zealand. It is located on North Island. This seaside city is an important center for business, industry and culture.
The history of the city goes back 650 years when the Maoris settled in the area. European settlement began in 1840 when the British arrived. Since 1945, the city 2 (grow) and it now has large modern suburbs.
Famous sights include Mt Eden, one of many large volcanoes, as well as the Auckland Harbor Bridge. In the city, you can enjoy an amazing view from the Sky Tower, 3is the city’s tallest tower.
From anywhere in the city, you can see the sea. Auckland 4 (call) “the city of sails” because it has more boats than anywhere else in the world.
B
Beijing Opera is a national treasure of China. The art 5 (start) in the late 18th century and it combines acting, talking, singing, music, dancing and acrobatics. Actors play one of four 6 (role): sheng, male roles; dan, female roles; chou, clown roles and jing roles with brightly-painted face masks. Each role has 7 (it) own singing and acting styles.
C
Xu Beihong (1895-1953) was important in modern Chinese folk art. During his lifetime, he developed the tradition of combining poetry with painting. Between 1933 and 1940, he held several exhibitions in Asia and Europe to promote Chinese art. Across this painting 8 (name) Racing Horse, we can see a horse running 9 high speed like a missile across the sky. On the left and right side of the painting, Xu 10 (clear) drew in black ink to show the moving hair on the horse’s mane and tail. The painting of dark and light colors is a favorite of many art lovers.
第三套
第一节语法填空（共10小题；每小题1.5分，共15分）
给出提示词的空白处用括号内所给词的正确形式填空。
A
Zheng He(1371-1435) 1( complete) seven famous voyages between 1405 and 1433. In 28 years of travelling, he had managed to share the glory of China 2many different countries. He also brought back many gifts, such as medicines, pearls and strange animals. When he died in 1435, the stories of his travels made him one of China’s most famous 3( explorer).
B
When Marco Polo was 17 years old, he arrived in Beijing with his father, 4 wanted to do trade with the Chinese. At that time, China 5(rule) by the Yuan Dynasty Emperor, Kublai Khan. The Emperor was impressed by Marco and they became friends. He asked Marco to serve in his court and sent him to do many important tasks. Marco, in turn, was amazed by 6 beautiful and powerful China was. After 17 years of service to the Emperor, Marco returned to Italy. He told all his stories in China in a book 7(call) The Description of the World, which became one of the best-selling books in Europe.
C
In the 1960s, a group of cycling fans painted hundreds of bicycles white and placed them in lots of neighborhoods around Amsterdam for people to use. The problem was 8it didn’t work—thieves took all the bicycles within weeks! However, more than thirty years later, the “white bike”was back in town, this time with a computer chip 9 (record) its every move! Today, there is already less traffic in 10(centre) Amsterdam because both locals and tourists have been using the white bikes. Therefore, Amsterdam is called the “City of Bicycles”.
第四套
第一节语法填空（共10小题；每小题1.5分，共15分）
给出提示词的空白处用括号内所给词的正确形式填空。
A
Sixteen years ago, Charles was a college professor1 a huge six-bedroom house and $2 million. Today he lives in a small dormitory room 2 there is only second-hand furniture. There are certainly no signs that Charles was 3 rich man! But Charles 4( appreciate) this change. He was pleased to give up the lifestyle of a rich man. He made the choice to give all his money away. And this, he said, brought him happiness.
B
A lot of people blame the media for encouragement of the paparazzi. Newspapers and magazines are willing to pay high prices for photographs of famous people 5(take) by these self-employedphotographers. According to the law in Britain, it is legal to take 6(photograph) of famous people if they are in public. But the paparazzi are often prepared to risk expensive legal costs since 7(sell) photographs of famous people has become big business. One very famous example is Princess Diana’s unfortunate death in 1997.
C
Do you find housework tiring? Are you worried about the state of your house or flat? Have you got a cat that walks round your flat all day? Here is the perfect solution. It will change your life. Put the floor cleaners on your cat, and sit back and relax. The cleaners 8(make) from good quality material. They are very 9 (practice) and easy to wash. And they’re cheap! Special offer——complete set 10 only $5.99.
第五套
第一节语法填空（共10小题；每小题1.5分，共15分）
给出提示词的空白处用括号内所给词的正确形式填空。
A
New research into EQ and IQ suggests that success is not simply the result of a high IQ. While your IQ tells you 1 intelligent you are, your EQ tells you how well you use your intelligence. According to Professor Salovey, at work, it is IQ that gets you hired but it is EQ that gets you promoted. It is generally 2 (believe) that people with high EQs are open to new ideas and have positive attitudes towards life. They are also less likely to be troubled by problems. Also most social scientists agree that EQ has a lot 3(do) with education--improving a person’s EQ, especially in terms of “p eople skills”.
B
As a child, Wang Junyan never 4 (dream) of becoming a famous person on TV. Now she is the presenter for Universe TV’s news programs and she contributed her success to being curious, working hard and believing in 5 was true. In her point of view, it was her mother who taught her to show curiosity in mankind and nature. Wang Junyan chose to be a journalist after graduating 6 university because it is important that people grasp what is going on around them. Later her report helped her realize the importance of commitment and perseverance in being a journalist.
C
Before Mr. Jenkins, science had simply been a subject full of strange words to me. I found it all boring and difficult. But Mr. Jenkins made everything interesting, explaining things with lots of practical 7 (example) and simplified things. I know that I wasn’t a willing student and lacked confidence in 8 (me). I wish I shouldn’t have been so difficult at school. Again, Mr Jenkins made me feel that I could do things and once I 9 (encourage) to give a presentation about astronomy to the class. Now, it is my job to explain science to audiences and feel 10(thank) to Mr. Jenkins for turning a child like me into such a successful adult.
完形填空（共20小题；每小题1.5分，共30分）
阅读下面短文，掌握其大意，从每题所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
“A” for Attitude
徐老师 2019年普通高等学校招生全国统一考试（全国卷1） 英语 注意事项： 1．答卷前，考生务必将自己的姓名、准考证号填写在答题卡上。 2．回答选择题时，选出每小题答案后，用铅笔把答题卡上对应题目的答案标号涂黑。如需改动，用橡皮擦干净后，再选涂其他答案标号。回答非选择题时，将答案写在答题卡上，写在本试卷上无效。 3．考试结束后，将本试卷和答题卡一并交回。 第一部分听力（共两节，满分30分） 做题时，先将答案标在试卷上。录音内容结束后，你将有两分钟的时间将试卷上的答案转涂到答题卡上。 第一节（共5小题；每小题1.5分，满分7.5分） 听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 例：How much is the shirt? A. ￡19.15. B. ￡9.18. C. ￡9.15. 答案是C。 1. Where does this conversation take place? A. In a classroom. B. In a hospital. C. In a museum. 2. What does Jack want to do? A. Take fitness classes. B. Buy a pair of gym shoes. C. Change his work schedule. 3. What are the speakers talking about? A. What to drink. B. Where to meet. C. When to leave. 4. What is the relationship between the speakers? A. Colleges. B. Classmates. C. Strangers. 5. Why is Emily mentioned in the conversation? 第1页
高考化学考前基础知识查漏补缺精选精练（59） 一、单项选择题(本题包括9个小题，每小题4分，共36分) 1．下列有关NaHCO3和Na2CO3性质的比较中，正确的是( ) A．热稳定性：Na2CO3
海淀区高三年级第二学期化学查漏补缺试题 2018．5说明：仅供老师们根据学生实际情况选择性使用 答题可能用到的相对原子质量：Mg 24 1.下列物质在生活中应用时，起还原作用的是 A．明矾用作净水剂B．甘油用作护肤保湿剂 C．漂粉精用作消毒剂D．铁粉用作食品袋内的脱氧剂 2. 下列说法正确的是 A．在加热条件下Na2CO3、NaHCO3固体都能发生分解反应 B．Fe(OH)3胶体透明、稳定，能发生丁达尔现象 C．H2、SO2、NH3三种气体都可用浓硫酸干燥 D．SiO2既能和氢氧化钠溶液反应又能和氢氟酸反应，所以是两性氧化物 3.右图所示的锥形瓶中盛有浓氨水，通过导气管持续通入氧气，将红热的铂丝伸入 瓶中。下列叙述正确的是 A．铂丝继续保持红热，说明在铂丝上发生的反应是吸热反应 B．锥形瓶内有白烟产生，该白烟是NO2的水生成的硝酸 C．锥形瓶内可观察到有红棕色气体生成 D．锥形瓶内只发生两个化学反应 4.柔红霉素是一种医药中间体，其结构简式如右图所示。下列说法 正确的是 A. 柔红霉素的分子式为C21H17O7 B. 柔红霉素分子中所有的碳原子可能共平面 C. 1mol柔红霉素最多能与4 mol NaOH反应 D. 柔红霉素在一定条件下可发生消去反应 5. Mg-AgCl电池是一种能被海水激活的一次性贮备电池，电池的总反应如下： 2AgCl + Mg === Mg2++ 2Ag +2Cl- 有关该电池的说法正确的是 A．该电池可用于海上应急照明供电 B．负极反应式为AgCl + e- === Ag + Cl- C．该电池不能被KCl 溶液激活 D．电池工作时，每消耗1.2 g Mg，溶液中的Cl-增多0.2 mol 6.一定量的CO2与足量的碳在体积可变的恒压密闭容器中发生反应： C(s)+CO2(g) 2CO(g) 平衡时，体系中气体体积分数与温度的关系如下图所示：
绝密★启封前 2016年普通高等学校招生全国统一考试（新课标I） 英语 注意事项： 1.答题前，先将自己的姓名、准考证号填写在试题卷和答题卡上，并将准考证号条形码粘贴在答题卡上的指定位置。用2B铅笔将答题卡上试卷类型A后的方框涂黑。 2.选择题的作答：每小题选出答案后，用2B铅笔把答题卡上对应题目的答案标号涂黑，写在试题卷、草稿纸和答题卡上的非答题区域均无效。 3.非选择题的作答：用签字笔直接答在答题卡上对应的答题区域内。写在试题卷、草稿纸和答题卡上的非答题区域均无效。 4.考试结束后，请将本试题卷和答题卡一并上交。 第Ⅰ卷 第一部分听力（共两节，满分 30 分） 做题时，现将答案标在试卷上，录音内容结束后，你将有两分钟的时间将试卷上的答案转涂到答题卡上。 第一节（共 5 小题；每小题 1.5 分，满分 7.5 分） 听下面 5 段对话，每段对话后有一个小题。从题中所给的 A,B,C 三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你都有 10 秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 例： How much is the shirt? A.￡ 19.15 B.￡ 9.18 C.￡ 9.15 答案是 C。
1.What are the speakers talking about? A. Having a birthday party. B. Doing some exercise. C. Getting Lydia a gift 2. What is the woman going to do? A. Help the man. B. Take a bus. C. Get a camera 3. What does the woman suggest the man do? A. Tell Kate to stop. B. Call Kate, s friends. C. Stay away from Kate. 4. Where does the conversation probably take place? A. In a wine shop. B. In a supermarket. C. In a restaurant. 5. What does the woman mean? A. Keep the window closed. B. Go out for fresh air. C. Turn on the fan. 听第6段材料，回答第6、7题。 6. What is the man going to do this summer? A. Teach a course. B. Repair his house. C. Work at a hotel. 7. How will the man use the money? A. To hire a gardener. B. To buy books. C. To pay for a boat trip. 听第7段材料，回答第8、9题。 8. What is the probable relationship between the speakers? A. Schoolmates. B. Colleagues. C. Roommates. 9. What does Frank plan to do right after graduation? A. Work as a programmer. B. Travel around the world. C. Start his own business. 第二节（共15小题；每小题1.5分，满分22.5分） 听下面5段对话或独白。每段对话或独白后有几个小题，从题中所给的A、B、
2019年6月普通高等学校招生全国统一考试(浙江卷) 英语答案解析 第一部分听力 1.【答案】B 2.【答案】A 3.【答案】B 4.【答案】C 5.【答案】A 6.【答案】C 7.【答案】B 8.【答案】A 9.【答案】C 10.【答案】C 11.【答案】B 12.【答案】A 13.【答案】C 14.【答案】A 15.【答案】B 16.【答案】A 17.【答案】C 18.【答案】B 19.【答案】A 20.【答案】C 第二部分阅读理解 第一节 A 【文章大意】文章主要介绍了Zachariah Fike为“军功章”寻找其真正的主人的故事。 21.【答案】A 【解析】根据第二段中的"he earned one himself in a war as a soldier"可知，Zac曾经在战场上获得过紫心勋章，故选A项。 【考点】细节理解 22.【答案】B 【解析】根据第三段中的"she called Zac back...To drive eight hours to come to see me"可推知，Adeline 很在意这枚勋章，故选B项。 【考点】推理判断 23.【答案】D
【解析】根据倒数第二段中的"Adeline couldn't understand.…missed my brother more and more...the only thing we had left"可知，这枚紫心勋章代表着Adeline对在战场上牺牲的兄弟的深切怀念和记忆，故选 D项。 B 【文章大意】文章介绍了Tyler Bridges发起的一个项目，让有能力的人捐助钱财，让需要的人自取钱财，而这个项目的宗旨是让人们能够互相帮助。 24.【答案】C 【解析】根据下文的内容并结合木板上写的"Give What You Can, Take What You Need"可知，附在木板上的钱是可以随意取的，并不附带任何条件，故选C项。 【考点】句意理解 25.【答案】B 【解析】根据第二段的内容，尤其是"People of all ages, races..…even had a bride"可推知，作者提到新娘参与该活动来说明参与人员的多样性，故选B项。 【考点】推理判断 26.【答案】D 【解析】根据倒数第二段第一句中的"Bridges said the only goal was to show generosity and sympathy"并结合全文内容可知，Bridges开展这个活动的目的在于传递“慷慨和同情之心”，故选D项。 【考点】细节理解 C 【文章大意】文章主要讲述了美国加利福尼亚州的森林中大树急剧减少的现象，并分析了其原因。 27.【答案】A 【解析】根据文章第二段中"The number of trees...declined by 50 percent...more than 55 percent (75) percent"提到的数字可知，该段主要描述了加州森林中大树急剧减少的严重性，故选A项。 【考点】段落大意 28.【答案】D 【解析】根据第三段中的"Aggressive wildfire control..…compete with big trees for resources(资源)“可知，声势浩大的森林防火措施虽然一定程度上保护了森林，但同时也导致小树泛滥，与大树争抢资源，从而导致大树数量减少，故选D项。 【考点】推理判断 29.【答案】C 【解析】根据最后一段中的"Since the 1930s, Mclntyre said.…have been rising temperatures...reduces the water supply"可知，Mclntyre认为水资源短缺的主要原因是逐渐上升的气温，故选C项。 【考点】细节理解 30.【答案】A 【解析】根据全文可知，文章主要讲述了美国加州森林中大树数量急剧下降的现象，并分析了其原
2020届高考化学查漏补缺之选择题型专练（一） 1、下列我国科研成果所涉及材料中，主要成分为同主族元素形成的无机非金属材料的是( ) A.4.03米大口径 碳化硅反射镜 B.2022年冬奥 会聚氨酯速滑 服 C.能屏蔽电磁波的碳包 覆银纳米线 D .“玉兔二号”钛合金筛 网轮 A.A B.B C.C D.D 2、N A代表阿伏加德罗常数的数值。下列说法不正确的是( ) A.100 g溶质质量分数为46%的HCOOH溶液中含氢原子数为8N A B.在标准状况下，22.4L NH3分子中含共用电子对数为3N A C.1mol SO2与3mol O2反应生成的SO3分子数为N A D.1L 0.5mol·L-1葡萄糖溶液中含葡萄糖分子数为0.5N A 3、芳香族化合物x的结构简式为，下列有关化合物X的说法正确的是( ) A.分子式为 12144 C H O B.分子中所有碳原子处在同一平面上 C.能与 23 Na CO溶液、新制() 2 Cu OH悬浊液反应 D.与足量 2 H加成后，环上的一氯代物有2种(不考虑立体异构) 4、电解质溶液的电导率越大，导电能力越强。用0.1mol·L－1的NaOH溶液分别滴定体积均为10.00mL、浓度均为0.1mol·L－1的盐酸和CH3COOH溶液，利用传感器测得滴定过程中溶液的电导率如图所示。下列说法不正确的是( )
A.曲线①代表滴定CH3COOH溶液的曲线 B.A点溶液中：c(CH3COO－)＋c(OH－)－c(H＋)＝0.05mol·L－1 C.在相同温度下，A、B、C三点溶液中水电离的c(H＋)：B
高三数学查漏补缺题 2020.6 说明： 1.提供的题目并非一组试卷，小题（选、填）主要针对以前没有考到的知识点，或者在试题的呈现形式上没有用过的试题. 2.教师要根据自己学校的学生情况，有针对性地选择使用，也可以不用. 3.试题按照中心组教师的建议和一些教师的建议匆匆赶制而成，难免出错，希望老师们及时指出问题，以便及时改正. 【集合与简易逻辑】 1. 已知集合A ＝{x |ln(1)1x +≤}，B ＝{－2,－1,0,1,2}，则A ∩B ＝ A ．{0,1} B ．{－1,0,1} C ．{－2, －1,0,1} D ．{－1,0,1,2} 答案：A 2. 在ABC ?中，“cos cos A B <”是“sin sin "A B >的 A ．充分而不必要条件 B ．必要而不充分条件 C ．充分必要条件 D ．既不充分也不必要条件 答案 ：C 3.设α，β为两个平面，则α∥β的充要条件是 A ．α内有无数条直线与β平行 B ．α内有两条相交直线与β平行 C ．α，β平行于同一条直线 D ．α，β垂直于同一平面 答案 ：B 【复数】 1. 如果复数 222(32)i z a a a a =+-+-+为纯虚数，那么实数a 的值为 A. 2 B. 1 C. ?2 D. 1 或 ?2 答案：C 2.设32i z =-+，则在复平面内z 对应的点位于 A ．第一象限 B ．第二象限 C ．第三象限 D ．第四象限 答案 ：C 3. 若 i i 1i m n +=+，则实数m =_________，实数n =_________.
答案：1,1m n =-=. 【不等式】 1.设0a b <<，则下列不等式中正确的是 A ．2a b a b +< B ．2a b a b +<<< C ．2a b a b +< D 2 a b a b +<<< 答案 ：B [解答] （方法一）已知a b <2 a b +< ，比较a 因为22 ()0a a a b -=-<，所以a < 22()0b b b a -=->b <；作差法：022 a b b a b +-- =>， 所以 2a b b +<，综上可得2 a b a b +<<；故选B ． （方法二）取2a =，8b =， 4=， 52a b +=，所以2 a b a b +<<<． 2. 设R m ∈且0m ≠，“4 + 4m m >”的一个必要不充分条件是（ ） A ．2m ≠ B ．0m >且2m ≠ C ．2m > D ．2m ≥ 答案：A 3. 已知(0,1)m ∈，令log 2m a =，2b m =，2m c =，那么,,a b c 之间的大小关系为（ ） A ．b c a << B ．b a c << C ．a b c << D ．c a b << 答案：C 4. 设0.2log 0.3a =，2log 0.3b =，则 A ．0a b ab +<< B ．0ab a b <+< C ．0a b ab +<< D ．0ab a b <<+ 答案 ：B [解答]
英语 选择题部分 第一部分听力（共两节，满分30分） 做题时，先将答案标在试卷上。录音内容结束后，你将有两分钟的时间将试卷上的答案转涂到答题纸上。 第一节（共5小题；每小题分，满分分） 听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 例：How much is the shirt A. ￡ B. ￡ C. ￡ 答案是C. 1. What does the woman think of the movie A. It's amusing. B. It's exciting. C. It's disappointing. 2. How will Susan spend most of her time in France A. Traveling around B. Studying at a school. C. Looking after aunt. 3. What are the speakers talking about A. Going out. B. Ordering drinks. C. Preparing for a party. 4. Where are the speakers A. In a classroom B. In a library C. In a bookstore 5. What is the man going to do A. Go on the Internet. B. Make a phone call. C. Take a train trip.
石家庄市2019 届高中毕业班模拟考试（二） 英语 参考答案 听力（20×1.5=30）：1—5 ACBBC 6—10 AABCC 11—15 CBAAB 16—20 CABBC 阅读理解（15×2=30）：21—23 ABC 24—27 AADB 28—31 CADD 32—35 BBCC 七选五阅读填空（5×2=10）：36—40 DGEBA 完形填空（20×1.5=30）：41—45 BCDAC 46—50 ADBAC 51—55 DBACD 56—60 BDACB 语法填空（10×1.5=15）：61. called 62. for 63. greatly 64. their 65. who 66. a 67. injury 68. was thought 69. studies 70. deeper 短文改错（10×1=10）： I went to buy some traditional Chinese medicine on last Sunday. Just before leaving the drugstore, I noticed that some foreigners seems to have difficulty communicate with the assistant. I seemed communicating went over to ask if I ∧ needed. The assistant told me that she couldn't make herself understand was understood about how to boil the mixture correctly. Learning that I could give them the hand, they were a relieved. Without some trouble, I translated that the assistant wanted to say. Both sides expressed any what thanks to me. I was delighted to help other. More importantly, as a Chinese, I felt proudly to see others proud foreigners try traditional Chinese medicine. 书面表达(满分25分)： 参考范文： Dear Peter, Warm greetings from China! How is everything going? Knowing that you are going to learn Chinese in your university, I feel pretty happy for you. In order to improve your Chinese, “Journey to the West” is a good choice. Regarded as one of the four classics in Chinese literature, the book possesses great wisdom and essence of the Chinese language, which makes it worthwhile to read. Furthermore, the book tells an interesting story in which a famous monk in Tang Dynasty went west with his three students who had super power. It attracts several generations, old and young. Enjoy reading! And you can share your reading reflections with me if you like. Looking forward to your reply! (117 words) Yours, Li Hua
海淀区高三化学查漏补缺 2020.6 第一部分有机化合物 【内容结构与问题结构】
【备注】 1.其他化学用语：结构式、电子式、实验式 2.某些有机物的特殊物理性质及同系物的物理性质 3.糖类、油脂、蛋白质的相关内容 【思考】下列题目的共同点是什么？不同点是什么？你能找到“变化”之中的“不变”吗？1．合成导电高分子材料PPV的反应： 下列说法中正确 ．．的是 A．合成PPV的反应为加聚反应 B．PPV与聚苯乙烯具有相同的重复结构单元 C．和苯乙烯互为同系物 D．通过质谱法测定PPV的平均相对分子质量，可得其聚合度 2. 聚维酮碘的水溶液是一种常用的碘伏类缓释消毒剂，聚维酮通过氢键与HI3形成聚维酮
碘，其结构表示如下： （图中虚线表示氢键） 下列说法不正确 ．．．的是 A．聚维酮的单体是 B．聚维酮分子由（m+n）个单体聚合而成 C．聚维酮碘是一种水溶性物质 D．聚维酮在一定条件下能发生水解反应 3. 一种芳纶纤维的拉伸强度比钢丝还高，广泛用作防护材料。其结构片段如下图 下列关于该高分子的说法正确的是 A. 完全水解产物的单个分子中，苯环上的氢原子具有不同的化学环境 B. 完全水解产物的单个分子中，含有官能团―COOH或―NH2 C. 氢键对该高分子的性能没有影响 D. 结构简式为： 4．交联聚合物P的结构片段如图所示。下列说法不正确的是（图中表示链延长）
A．聚合物P中有酯基，能水解 B．聚合物P的合成反应为缩聚反应 C．聚合物P的原料之一丙三醇可由油脂水解获得 D．邻苯二甲酸和乙二醇在聚合过程中也可形成类似聚合物P的交联结构 5．“星型”聚合物具有独特的结构，在新兴技术领域有广泛的应用。下图是某“星型”聚合物的制备过程。 已知： 下列说法不正确 ．．．的是 A．单体Ⅰ的核磁共振氢谱有两组吸收峰，峰面积比为1∶2 B．单体Ⅰ与单体Ⅱ制备聚合物X，产物中有H2O
查漏补缺题(海淀区三模) 1．如图1所示，a 、b 、c 三条光线交于S 点，如果在S 点前任意位置放置一个平面镜，则三条反射光线（ ） （A ）可能交于一点也可能不交于一点 （B ）一定不交于一点 （C ）交于镜前的一点，成为一实像点 （D ）它们的延长线交于镜后一点，得到一个虚像点 2．图2是太阳、地球和月球相对位置的示意图，在日食或月食发生时，下列关于太阳、地球和月球位置关系中正确的说法是 （ ） A 、只有月球运动到A 点附近，才发生月全食 B 、只有月球运动到C 点附近，才发生日全食 C 、月球运动到C 点附近，发生的是月食，月球运动到A 点附近，发生的是日食 D 、月球运动到B 、D 点附近，人们可以看到半个月亮，表 明发生了月偏食 3．如图3所示，竖直墙壁前有一固定点光源S ，从这点光源处水平抛出的物体在竖直墙壁上的影子运动情况是 （ ） A 、匀速直线运动 B 、自由落体运动 C 、匀加速直线运动 D 、变加速直线运动 4．已知阿伏加德罗常数为N A ，空气的摩尔质量为M ，室温下空 气的密度为ρ（均为国际单位）。则（ ） A ．1kg 空气含分子的数目为N A /M B ．一个空气分子的质量是M /N A C ．一个空气分子所占据的体积是M /N A ρ D ．室温下相邻空气分子间的平均距离为3/ A N M 5．如图4所示，有四列简谐波同时沿x 轴正方向传播，波速分别是v 、2v 、3v 和4v ，a 、b 是x 轴上所给定的两点，且ab =l 。在t 时刻a 、b 两点间四列波的波形分别如图所示。则下面的判断中正确的是（ ） A ．由该时刻起a 点出现波峰的先后顺序依次是②④③① B ．由该时刻起a 点出现波峰的先后顺序依次是④②①③ C ．这四列波，频率由高到低的先后顺序依次是②④①③ D ．这四列波，频率由高到低的先后顺序依次是④②③① 6．如图5所示，一轻质弹簧，一端固定于竖直墙壁上，弹簧的自由长度为L 0。现用手推一木块M 压缩弹簧，使木块运动到B 点后由静止释放，木块沿水平面运动了路程s 后停下来。若将此木块M 与弹簧连接起来，仍用手推木块M 压缩弹簧，使木块运动到B 点后由 图 1 S ① ② ③ ④ 2v 3v 4v 图4 图 2 图 3
高考英语真题及答案 英语 第一部分听力（略） 第二部分阅读理解（共两节，满分40分） 第一节（共15小题，每小题2分，满分30分） 阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。 A Washington.D.C. Bicycle Tours Cherry Blossom Bike Tour in Washington.D.C Duration: 3 hours This small group bike tour is a fantastic way to see the world-famous cherry trees with beautiful flowers of Washington, D.C. Your guide will provide a history lesson about the trees and the famous monuments where they blossom. Reserve your spot before availability - and the cherry blossoms - disappear! Washington Capital Monuments Bicycle Tour Duration: 3 hours (4 miles) Join a guided bike tour and view some of the most popular monuments in Washington.D.C. Explore the monuments and memorials on the National Mall as your guide shares unique facts and history at each stop. Guided tour includes bike, helmet, cookies and bottled water. Capital City Bike Tour in Washington, D.C. Duration: 3 hour Morning or Afternoon, this bike tour is the perfect tour for D.C. newcomers and locals looking to experience Washington, D.C.in a healthy way with minimum effort.Knowledgeable guides will entertain you with the most interesting stories about Presidents,Congress,memories,and https://www.doczj.com/doc/76986165.html,fortable bikes and a smooth tour route(路线) make cycling between the sites fun and relaxing. Washington Capital Sites at Night Bicycle Tour Duration: 3 hour (7 miles) Join a small group hike tour for an evening of exploration in the heart of Washington,D.C. Get up close to the monuments and memorials as you bike the sites of Capitol Hill and the National Mall. Frequent stops are made for photo taking as your guide offers unique facts and history. Tour includes bike, helmet, and bottled water. All riders are equipped with reflective vests and safety lights. 21. Which tour do you need to book in advance? 【A】 A. Cherry Blossom Tour in Washington.D.C. B. Washington Capital Monuments Bicycle Tour. C. Capital City Bike Tour in Washington. D.C. D. Washington Capital Sites at Night Bicycle Tour. 22. What will you do on the Capital City Bike Tour? 【D】 A. Meet famous people. B. Go to a national park. C. Visit well-known museums. D. Enjoy interesting stories. 23. Which of the following does the bicycle tour at night provide? 【D】 A. City maps. B. Cameras C. Meals. D. Safety lights. B Good Morning Britain’s Susanna Reid is used to grilling guests on the sofa every morning,but she is cooking up a storm in her latest role-showing families how to prepare delicious and nutritious meals on a tight budget. In Save Money: Good Food,she visits a different home each week and with the help of chef Matt Tebbutt offers top tips on how to reduce food taste,while preparing recipes for under ￡5 per family a day.And the Good Morning Britain presenter says she’s been able to put a lot of what she’s learnt into practice in her own home,preparing meals for sons,Sam,14,Finn,13,and Jack,11. “We love Mexican churros, so I buy them on my phone from my local Mexican takeaway restaurant,”she explains. “I pay ￡5 for a portion(一份),but Matt makes them for 26p a portion, because they are flour, water, sugar and oil. Everybody can buy takeaway food,but sometimes we’re not aware how cheaply we can make this food ourselves.” The eight-part series(系列节目),Save Money:Good Food,follows in the footsteps of ITV’s Save Money:Good Health,which gave viewers advice on how to get value from the vast range of health products on the market. With food our biggest weekly household expense,Susanna and Matt spend time with a different family each week.In tonight’s Easter special they come to the aid of a family in need of some delicious inspiration on a budget.The team transforms the family’s long weekend of celebration with less expensive but still tasty recipes. 24.What do we know about Susanna Reid? (B)
高考题型提能练(九)Unit 9 Ⅰ.阅读理解 A (2018·河南省普通高中毕业班适应性测试)Is geography important? Here's a question for you to answer. What have the following countries got in common: Australia, Japan, the United Kingdom, Iceland and Madagascar? Quite easy if you can picture them on the globe —they are all islands. All of these nations are surrounded by sea. What have these five nations got in common? Hungary, Botswana, Kazakhstan, Paraguay and Liechtenstein. They are all landlocked. In other words, in contrast to the first five countries whose coastline forms their border, the second five have no coastline at all. If you are a Hungarian or a Paraguayan, you have to pass through somebody else's country if you want to go to the beach. Liechtenstein is even more of a geographical phenomenon; it is “doubly landlocked” because the countries that surround it — Austria and Switzerland are also landlocked. There is only one other country in the world in a similar position, Uzbekistan, which is surrounded by five other landlocked countries. Go and have a look at the map if you want to know which. So how do countries become landlocked? If you are Swiss or
高考化学考前基础知识查漏补缺精选精练（55） 第1讲实验的设计、改进及评价 第2讲流程设计式实验 非选择题(共100分) 1．(15分)（2009·海南，16）下图表示从固体混合物中分离X的2种方案，请回答有关问题。 (1)选用方案I时，X应该具有的性质是____________________，残留物应该具有的性质是____________________； (2)选用方案Ⅱ从某金属粉末(含有Au、Ag和Cu)中分离Au，加入的试剂是____________，有关反应的化学方程式为___________________________________； (3)为提纯某Fe2O3样品(主要杂质有SiO2、Al2O3)，参照方案Ⅰ和Ⅱ，请设计一种以框图形式表示的实验方案(注明物质和操作)________________________________________ ________________________________________________________________________ ________________________________________________________________________。 2．(20分)以氯化钾和钛白厂的副产品硫酸亚铁为原料生产硫酸钾、过二硫酸铵和氧化铁红颜料，原料的综合利用率较高。其主要流程如下： (1)反应Ⅰ前需在FeSO4溶液中加入____(填字母)，以除去溶液中的Fe3＋。 A．锌粉B．铁屑C．KI溶液D．H2
(2)用化学反应方程式表示反应Ⅰ的原理：____________________________________ ________________________________________________________________________。 (3)反应Ⅰ需控制反应温度低于35℃，其目的是_______________________________。 (4)反应Ⅱ中加稀H2SO4的目的是___________________________________________。 (5)工业生产上常在反应Ⅲ的过程中加入一定量的醇类溶剂，其目的是________________________________________________________________________。 (6)反应Ⅳ常被用于电解生产(NH4)2S2O8(过二硫酸铵)。电解时均用惰性电极，阳极电极反应式可表示为________________________________________。 (7)FeCO3在空气中煅烧的反应方程式为________________________________。 3．(20分)菠菜营养丰富，素有“蔬菜之王”之称，在营养价值上是一种高效的补铁剂。长期以来民间流传着“菠菜不能与豆腐同食”、“菠菜根比菠菜茎和叶更有营养”等说法。某学校化学兴趣小组的同学拟通过实验探究以下问题： ①菠菜是否含有丰富的铁？ ②菠菜是否含有草酸类物质？ ③菠菜根中铁的含量是否比菠菜茎和叶中的高？ 通过上网查询，获得以下资料：草酸又名乙二酸，其酸性比乙酸稍强，草酸及其盐具有较强的还原性，其中草酸钙不溶于水。 他们设计的实验步骤如下： Ⅰ. Ⅱ.取菠菜根a g，使用相同仪器、试剂，重复Ⅰ中实验，观察实验现象。 Ⅲ.将菠菜在少量开水中煮沸2～3 min，冷却后滤去菠菜，得滤液。向滤液中加入足量Ca(OH)2溶液，然后再加入足量试剂X，观察现象。 请回答以下问题： (1)操作①中使用的仪器除三脚架、酒精灯、玻璃棒外还需要________________，操作②的名称是________。 (2)可以说明菠菜根中Fe元素含量要比菠菜茎和叶中多的现象是_________________。 (3)菠菜中的Fe是＋2价还是＋3价？________。 (4)通过步骤Ⅲ可以确定菠菜中含有草酸类物质。由于滤液中含有CO2－3，故需加入试剂X