第I卷
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，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。
A
It was a village in India. The people were poor. However, they were not unhappy. After all, their forefathers had lived in the same way for centuries.
Then one day, some visitors from the city arrived. They told the villagers there were some people elsewhere who liked to eat frog’s legs. However, they did not have enough frogs of their own, and so they wanted to buy frogs from other places.
This seemed like money for nothing. There were millions of frogs in the fields around, and they were no use to the villagers. All they had to do was catch them. Agreement was reached, and the children were sent into the fields to catch frogs. Every week a truck arrived to collect the catch and hand over the money. For the first time, the people were able to dream of a better future. But the dream didn’t last long.
The change was hardly noticed at first, but it seemed as if the crops were not doing so well. More worrying was that the children fell ill more often, and, there seemed to be more insects around lately.
The villagers decided that they couldn’t just wait to see the crops failing and the children getting weak. They would have to use the money earned to buy pesticides(杀虫剂) and medicines. Soon there was no money left.
Then the people realized what was happening. It was the frog. They hadn’t been useless. They had been doing an important job—eating insects. Now with so many frogs killed, the insects were increasing more rapidly. They were damaging the crops and spreading diseases.
Now, the people are still poor. But in the evenings they sit in the village square and listen to sounds of insects and frogs. These sounds of the night now have a much deeper meaning.
21.From paragraph 1 we learn that the villagers __________.
A. worked very hard for centuries
B. were poor but somewhat content (满足的)
C. dreamed of having a better life
D. lived a different life from their forefathers
22.Why did the villagers agree to sell frogs ?
A. The frogs were easy money.
B. They needed money to buy medicine.
C. They wanted to please the visitors.
D. The frogs made too much noise.
23.What might be the cause of the children’s sickness?
A. The crops didn't do well.
B. There were too many insects.
C .The visitors brought in diseases. D. The pesticides were overused.
24.What can we infer推断from the last sentence of the text ?
A. Happiness comes from peaceful life in the country.
B. Health is more important than money.
C. The harmony(和谐) between man and nature is important.
D. Good old days will never be forgotten.
【答案】
21.B
22.A
23.B
24.C
【解析】
试题分析：作者通过村民认为青蛙是无用却能让他们快速发财致富的东西，因而大肆捕捞，导致农作物损失，疾病蔓延，从而引起儿童患病，体质虚弱，最终村民们仍然很贫穷的故事，说明了一个道理：人与自然和谐相处。
21.B细节理解题。由第一段中The people were poor. However，they were not unhappy.可知，他们虽清贫但还算幸福。A项原文未提及；B项是后文所述之事；D项与第一段中的信息恰恰相反。故选B。
22.A 细节理解题。由第三段首句This seemed like money for nothing.及其后叙述可知，村民们认为青蛙是无用却能让他们快速发财致富的东西。故选A。
23.B 细节理解题。由倒数第二段最后一句They were damaging the crops and spreading diseases.可知，由于昆虫增加，导致农作物损失，疾病蔓延，从而引起儿童患病，体质虚弱。故选B。
24.C 推理判断题。最后一段提到：村民现在仍贫穷，但在落日的黄昏，聚坐广场，聆听夜晚的昆虫叫与蛙鸣声——这些声音赋予人们更深刻的含义，那就是：人与自然的和谐相处。故选C。
考点：故事类阅读
B
Welcome to one of the largest collections of footwear（鞋类）in the world that will make you green with envy. Here
at the Footwear Museum you can see exhibits（展品）from all over the world. You can find out about shoes worn by everyone from the Ancient Egyptians to pop stars.
25.Where would you find a famous singer’s shoes?
A. Room1.
B. Room 2.
C. Room3.
D. The Footwear Library
26.All exhibits in each room .
A. share the same theme
B. have the same shape
C. are made of the same material
D. belong to the same social class
27.Which of the following is true according to the text?
A. The oldest exhibits in Room 1 were made in the 1950s.
B. Room 2 is the most visited place in the museum.
C. Room 3 has a richer variety of exhibits than the other two.
D. Researchers come to the Footwear Library for information.
28.The purpose of the text is to get more people to .
A. do research
B. design shoes
柳州市二中2018级高一上10月月考化学试卷 可能用到的相对原子质量H-1 C-12 O-16 S-32 Cl-35.5 Fe-56 Zn-65 第I 卷（选择题 共54分） 一.选择题（本题包括18小题，每小题3分，共54分。每小题只有一个正确选项） 1.下列实验操作中正确的是( ) ①用剩的药品为避免浪费应放回原瓶 ②蒸发氯化钠溶液时要用玻璃棒不断搅动 ③称取易潮解的药品时必须放在玻璃器皿中称量 ④用pH 试纸检测溶液pH 值时，先将试纸经水润洗后在将溶液滴到试纸上 A.②③ B.②③④ C.②④ D.①②③④ 2.从海带中提取碘的实验过程中，涉及下列操作，其中正确的是( ) A.①将海带灼烧成灰 B.②过滤得含I － 的溶液 C.③放出碘的苯溶液 D.④分离碘并回收 苯 3.下列检验或实验操作正确的是( ) A.加入AgNO 3溶液有白色沉淀生成，证明原溶液中一定有Cl － B.加入稀HNO 3酸化的BaCl 2溶液，有白色沉淀生成，证明原溶液中一定有SO 2－4 C.向某溶液中加入Ba(NO 3)2溶液无明显现象，再滴入几滴硝酸酸化的AgNO 3溶液，产生白色沉淀，说明原溶液中含有Cl － D.已知丙酮是无色液体，不溶于水，密度小于水，分离水和丙酮的最合理方法为蒸馏或蒸发 4.为了除去粗盐中的Ca 2＋、Mg 2＋、SO 2－4和泥沙，可将粗盐溶于水，然后进行下列五项操作： ①过滤 ②加过量的NaOH 溶液 ③加适量盐酸 ④加过量Na 2CO 3溶液 ⑤加过量BaCl 2溶液，正确的操作顺序是( ) A.①④②⑤③ B.④①②⑤③ C.②⑤④①③ D.④⑤②①③ 5．二氧化硫是引起酸雨的一种物质，二氧化硫属于( ) A ．电解质 B ．酸性氧化物 C ．含氧酸 D ．混合物 6.我们常用“往伤口上撒盐”来比喻某些人乘人之危的行为，其实从化学的角度来说，“往伤口上撒盐”的做法并无不妥，甚至可以说并不是害人而是救人。那么，这种做法的化学原理是( ) A.胶体的电泳 B.血液的氧化还原反应 C.血液中发生复分解反应 D.胶体的聚沉 7.下列关于Fe(OH)3胶体的叙述中，正确的是( ) A.制备Fe(OH)3胶体的化学方程式是FeCl 3＋3H 2O=====煮沸Fe(OH)3↓＋3HCl B.在制备Fe(OH)3胶体的实验中，加热煮沸时间越长，越有利于胶体的生成
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高一10月月考 英语试题 第Ⅰ卷 第一部分听力（略） 第二部分英语知识运用(共两节，满分45分) 第一节单项填空(共15小题；每小题1分，满分15分) 从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑． 21. It is bad for a man to smoke in public places where smoking is not allowed. A. method B. impression C. behavior D. attitude 22.—_______you ________to the new house? —Not yet. The rooms are being painted（油漆）. A. Did; moved B. Have; moved C. Will; moved D. Are; moved 23. After his long journey from abroad, Mr. Wu returned home, ________. A. exhausting B. having exhausted C. being exhausted D. exhausted 24. David rode so fast that he couldn’t hitting a passer-by and he fell off the bike. A. avoid B. enjoy C. stand D. stop 25. We all regard _____ our duty to help those who are poor to go to school. A. this B. that C. us D. it 26. The two pens are the same, but the red one cost ______ that one. A. as much twice as B. twice as much as C. much as twice as D. as twice much as 27. All the leading newspapers _______ the trade talks between China and the United States. A. printed B. announced C. published D. covered 28. The government has rebuilt the old temple _______ a long time ago. A. abandoned B. abandoning C. was abandoned D. being abandoned 29. — I don’t know about you, but I’m sick and tired of this weather. —. I can’t stand all this rain. A. So do I . B. I don’t care. C. It’s hard to say. D. So am I. 30. The little boy isn’t getting on well in maths and worse still, he is even unwilling to go to school. With her son_______, she feels very________. A. disappointing, worried B. disappointing, worrying C. disappointed, worried D. disappointed, worrying 31. ---- Would you mind if I use your computer for a little while? ----_______ A. No, please don’t. B. I’m afraid not. C. I’d rather you didn’t. D. I’m afraid so. 32. The cost of renting a house in Beijing is higher than ______ in any other city of China. A. one B. it C. this D. that 33. I would appreciate _______ back this afternoon so that we can make an early decision. A. you to call B. you call C. your calling D. you’re calling 34. Her attitude ______ learning math has changed a lot since her teacher had a talk with her. A. of B. at C. with D. to
高一第一次月考 英语试卷 1.本试卷分第一卷（选择题）和第二卷（非选择题）两部分，共150分；考试时间120分钟。 2.本试卷各试题答案必须在答题纸上规定的答题区域内作答，否则无效。 第一卷 第一部分听力（共两节，满分30分） 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。每段对话仅读一篇。 1. Where does the conversation most probably take place? A. In a classroom. B. In a restaurant. C. In a bookstore. 2. What does the woman think of the man’s paper? A. It is not complete. B. The handwriting is very poor. C. Some parts of it aren’t well written. 3. How long will Tom wait there? A. For 6 hours. B. For 2 hours. C. For 3 hours. 4. What will they do? A. They will go to the Mediterranean by train. B. They will go to Hawaii for their holiday. C. They will go to Hawaii by plane. 5. How many floors does the man have to walk to Mr Johnson’s office? A. 3. B. 4. C. 6. 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、C三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍. 听第6段材料，回答第6--7题。 6. What’s wrong with the woman? A. She has a bad cold. B. She has her legs broken. C. She can’t walk. 7. How long does the woman have to stay in bed? A. For one week. B. For two weeks. C. For three days. 听第7段材料，回答第8—9题。 8. Why dose Ann want to move out of her apartment? A. Because it’s too expensive. B. Because the neighborhood is noisy. C. Because it’s too far from her school. 9. How much does Ann want to spend on rent? A. About $50 a month B. About $150 a month. C. About $250 a month. 听第8段材料，回答第10—12题。 10. Where does the man want to go? A. Zhongshan Park. B. Qingdao Park C. Zhanshan Temple. 11. Which bus dose the man have to take? A. No. 206 Bus B. No. 226 Bus. C. No.260 Bus. 12.How many stops will the man go through? A. Two. B.Three. C. Five. 听第9段材料，回答第13—16题。 13. Where does the girl want to go with her father? A. To the park. B. To the cinema. C. To the swimming pool. 14. Who are they going with? A. The girl’s mother. B. The girl’s aunt. C. The girl’s elder brother. 15. When does the film start? A. At 3 am. B. At 3 pm. C. At 11 am. 16. What will they do later? A. They will eat some food. B. They will go to the beach. C. They will meet the girl’s aunt 听第10段材料，回答第17—20题。 17. Why did Steven Jobs drop out of college?
上海市高一上学期化学10月月考试卷 姓名:________ 班级:________ 成绩:________ 一、单选题 (共12题；共24分) 1. （2分）经分析，某种物质只含有一种元素，则此物质（） A . 一定是一种单质 B . 一定是纯净物 C . 一定是混合物 D . 可能是纯净物，也可能是混合物 2. （2分）某学生用托盘天平称取 3.3g食盐，称量时指针若左偏，此时应该（） A . 增加药品 B . 减少药品 C . 增加砝码 D . 减少砝码 3. （2分） (2016高一上·海南期末) 下列叙述中，不正确的是（） A . 用酒精萃取碘水中的碘 B . 少量金属钠保存在煤油中 C . 不慎洒出的少量酒精在桌上着火时，立即用湿布盖灭 D . 配制1.00mol/L NaCl溶液时，将称好的NaCl固体放入烧杯中溶解 4. （2分） (2017高一上·佛山期中) 2009年9月25日，我国成功发射“神舟七号”载人飞船．飞船以铝粉与高氯酸铵的混合物为固体燃料，其中高氯酸铵的反应为：2NH4ClO4═N2↑+Cl2↑+2O2↑+4H2O．下列有关叙述正确的是（） A . 铝粉的作用是点燃时可以置换出氧气
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河北省蠡县中学2018-2019学年高二英语10月月考试题 第一部分听力（共20小题，每小题1.5分，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。 1. Which game does the man like best? A.Bridge. B.Cards. C.Chess. 2. What are the speakers mainly talking about? A.Their weekend plans. B.Their hobbies. C. The weather. 3. What did the weatherman forecast about the afternoon’s weather? A.It would be suuny. B. It would be windy. C. It would be rainy. 4. How many hours will the woman be in the city? A. Two. B.Six. C.Four 5. What does the man mean? A.The person in the black shirt is the twin brother of his boss. B.He didn’t know his boss had come back from a business trip. C. The person in the black shirt looks very similar to his boss. 第二节听下面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、C三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间，每段对话或独白读两遍。 听第6段材料，回答第6至7题。 6. What will the woman take? A.Some postcards. B.Hand-made woollen hats. C.Some local food. 7. How much should the woman pay? A.45 dollars. B. 80 dollars. C. 90 dollars. 听第7段材料，回答第8至9题 8.When did Heather call the woman? A. One hour ago. B. Two hours ago. C. Three hours ago. 9.What did the woman do to save time?
2019-2020年八年级10月月考英语试题(I) ( ) 13. A. 2 million B. 3 million C. 4 million ( ) 14. A. Diwang Tower B. The Great Wall C. Sydney Opera House ( ) 15. A. Hot B. Cool C. Cold 笔试部分（100分） 四、语言综合运用。（15分） ( ) 16. Yao Ming is ________excellent player and he enjoys playing ________ volleyball. A. a; the B. an; / C. a; / D. an; the ( ) 17.— You watched xx FIFA World Cup matches on TV, don’t you? —Yes, I do. I was so excited when the German team played ____ the Argentinean(阿根廷) team. A. in B. on C. against D. about ( ) 18.Anqiu is my home town and it’s famous ________ its mountains and water. A. for B. with C. to D. as ( ) 19. —Look at this beautiful painting! It’s my sister’s. —Wow! Wonderful! Let’s________ it on the wall of the living room. A. pass B. miss C. train D. place
确山二高xx ——xx 学年度高一数学 10月份月考试题 2021年高一10月月考数学试题（缺答案） 1. 下列五个写法：①；②；③；④；⑤，其中错误．．写法的个数为 （ ） A.1 B.2 C.3 D.4 2.设,若，则实数的取值范围是( ) A. B. C. D. 3．函数的图像关于（ ）A.轴对称 B.轴对称 C ．原点对称 D ．对称 4．已知函数是奇函数，当时，，则当时，＝（ ） A ． B ． C ． D ． 5、函数的图像与直线的交点共有（ ） Ａ、 个 Ｂ、 个 Ｃ、个或个 Ｄ、可能多于个 6、集合,,若,则的值为( ) A 、0 B 、1 C 、2 D 、4 7、下列四个函数中，在上为增函数的是( ) A. B. C. D. 8、已知函数是R 上的偶函数，且，则下列各式一定成立的是( ) 班 级 姓名 考 号
A. B. C. D. 9、已知函数，使函数值为5的的值是( ) A． B．或 C． D．或 10.函数的最大值,最小值分别为( ) A. B. C. D. 11、设，，，则= ( ) A、 B、 C、 D、 12. 设A是整数集的一个非空子集，对于，如果且，那么是A的一个“孤立元”，给定，由S的3个元素构成的所有集合中，不含“孤立元”的集合共有个 A 5 B 6 C 7 D 8 第Ⅱ卷（非选择题共90分） 二、填空题（每小题5分，共20分．） 13、已知函数，若为奇函数，则___. 14、若幂函数的图象过点，则的值为. 15、已知函数，则的解析式为：__ 16．已知在定义域上是减函数，且，则的取值范围是 .
三.解答题（本大题共6个小题，共70分） 17.（本小题满分10分）已知集合 x A< x B x = < ≤ = < = < C x x 10 { | }. 2| }, {a x 4| 8 }, { （1）求 （2）若,求a的取值范围. 18.（本题满分12分）已知定义域为的函数是奇函数。 （1）求的解析式；（2）用定义证明在上为减函数； 19. （本小题满分12分）)已知二次函数f(x)的二次项系数为a＜0，方程f(x)＋2x＝0的两根是1和3，若f(x)＋6a＝0有两个相等的实根，求f(x)的解析式.
高一英语上第一次月考试卷（带答案） 高一月考英语试题 （满分120，时间100分钟） 第Ⅰ卷 第一部分：听力理解（略） 第二部分：阅读理解（共两节20小题，满分40分） 第一节（共15小题，每小题2分，共30分） 阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出选项，并在答题卡上将该项涂黑。 As the father of a student, I have experienced first hand what a great teacher is. My son was in the 4th grade last year, and he had a teacher called Miss Green. I believe that when he is an adult he will surely look back on her as the best teacher he has ever had. My son has attention deficit disorder(注意力缺损症) that makes it a little more difficult for him to learn. She was able to change her teaching methods for him so that he could keep up with the rest of the class. As a result, he got straight As on many subjects. She regarded her class as a family and they even had their own class song. She would often have them sing it to encourage them and develop a team spirit for them. When she saw that they were no longer listening carefully to what she was teaching, she would have them close their textbooks, stand up all around the room and throw around a small football. This helped them clear their minds and then focus on the lesson again. Besides, she was
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（2）.质量都是50 g的HCl、NH3、CO2、O2四种气体中，含有分子数目最少的是_ ，在相同温度和相同压强条件下，体积最大的是，体积最小的是。 （3）在mL 0.2 mol/L NaOH溶液中含1 g溶质；配制50 mL 0.2 mol/L CuSO4溶液，需要CuSO4·5H2O ____ g。 （4）中和相同体积、相同物质的量浓度的NaOH溶液，并使其生成正盐，需要相同物质的量浓度的盐酸、硫酸、磷酸溶液的体积比为。 （5）在MgCl2、KCl、K2SO4三种盐的混合溶液中，若K＋、Cl－各为1.5mol，Mg2＋为0.5mol，则SO42-的物质的量为。 17．（8分） ⑴．通常状况下，甲同学取1 mol H2O加热到100℃时， 液态水会汽化为水蒸气（如图），该过程属于变化。 在保持压强不变的情况下，水蒸气的体积 （填“＞”、“＜”或“＝”）22.4L 。 ⑵．乙同学做H2在O2中燃烧的实验，该实验过程属于变化， 在该变化过程中，一定保持相等的是（填序号）。 A、反应物与生成物的分子数目 B、反应物原子总物质的量与生成物原子总物质的量 C、反应物总质量与生成物总质量 D、反应物体积与生成物体积 18 19．（8分）如图所示为常见仪器的部分结构。 A B C ⑴请写出下列仪器的名称： A ，B ，C 。 ⑵仪器B上标记有（填序号）。 ①质量②温度③刻度线④浓度⑤容积 ⑶检验仪器B是否漏水的方法是 20．（4分）病人输液用的葡萄糖注射液是葡萄糖（化学式为C6H12O6）的水溶液，其标签上的部分内容如下图所示。利用标签所提供的信息，回答下列问题： （1）该注射液中葡萄糖的质量分数为________________。（2）该注射液中葡萄糖的物质的量浓度为____________ 。 21．（10分） ⑴．用14．2g无水硫酸钠配制成500 mL溶液，其物质的量浓度 为mol／L。 ⑵．若从上述溶液中取出10 mL，则这10 mL 溶液的物质的量浓度 为mol／L，含溶质的质量为g。 ⑶．欲配制上述溶液，需要使用的实验仪器 有烧杯、、、、、，若配制时仅有其中一步操作（如图所示）有错误，其他操作全部正确，则所配溶液的浓度（填“正确”、“偏大”或“偏小”） 22．（9分） ⑴．电解1.8g水生成的氢气和氧气的质量分别为多少？物质的量为多少？ （2）．在标准状况下，100 mL某气体的质量为0.179g，试计算这种气体的相对分子质量。（3）．在K2SO4和Al2(SO4)3的混合液中，已知Al3+的浓度为0.2mol/L，SO42-的浓度为 0.4mol/L，则该溶液中的K+浓度为多少？
高二上学期英语10月月考试卷 一、单项选择（每小题1分，满分15分） 1. A balanced diet with proper amount of physical exercise a healthy life. A . make contributions to B . lead to C . contributes to D . account for 2. The medical team, ten doctors and several nurses, was sent immediately to the earth-stricken area. A . consisting of B . consisted of C . made up D . making up 3. It is to read again the novel that the professor in his lecture. A . worth, referred to B . worthwhile, referred to C . worthy, mention D . worth, mentioned to 4. The president and his team of administration promised to try every means possible to jobs and the goal of recovering its economy as soon as possible. A . create, accomplish B . invent, achieve C . discover, win D . attract, finish 5. It will be many years the doctors and medical scientists can find for cancer. A . since; cures B . when; treatments C . before; cures D . until; treaments 6. Suddenly, a tall man driving a golden carriage the girl and took her away, into the woods. A . seizing; disappeared B . seized; disappeared C . seizing; disappearing D . seized; disappearing
I. 单项选择题（共15题，一个1分，共15分） 1. --- Who cooked the meal? ---Actually, it was a ____ effort . A. joint B. join C. joined D. jointed 2. The country has already sent up three unmanned spacecraft, the most recent ____at the end of last August . A. has been launched B. having been launched C. being launched D. to be launched 3. untidily and in a strange way ,my brother must have appeared to the people to be a silly boy . A. Dressed, spoken, presents B. Dressing, speaking ,present C. Dressed, speaking, present D. Dressing, speaking ,be present 4. ---Thank you for your timely help. --- My pleasure. It is hardly talking about. A. worthy B. worthwhile C. worth D. useful 5. The hat is too expensive._____ the price ,it doesn’t suit me .Which one can’t be chosen ? A. In addition to B. Besides C. Other than D. Apart from 6.When you meet with difficulties in study, you may _____ your teachers who are always ready to instruct you. A. search B. find C. consult D. seek 7. Accustomed to ____ the steep mountains ,he had no difficulty ___the top .
太和一中2020级高一上学期第一次月考 数学试卷 第Ⅰ卷 一、选择题：本大题共12小题，每小题5分，在每小题给出的四个选项中，只有一项是符合题目要求的. 1.已知集合{1,3,5,7}A =，{2,3,4,5}B =，则A B =（ ） A.{}3 B.{}5 C.{}3,5 D.{}1,2,3,4,5,7 2.命题“[1,3]x ?∈-，2320x x -+≤”的否定为（ ） A.0[1,3]x ?∈-，2 00320x x -+> B.[1,3]x ??-，2320x x -+> C.[1,3]x ?∈-，2320x x -+> D.0[1,3]x ??-，2 00320x x -+> 3.已知全集{}1,2,3,4,5,6,7,8U =，集合{}2,3,5,6A =，集合{}1,3,4,6,7B =，则集合()U A B =（ ） A.{}2,5 B.{}3,6 C.{}2,5,6 D.{}2,3,5,6,8 4.对于实数a ，b ，c ， “a b >”是“22ac bc >”的（ ） A.充分不必要条件 B.必要不充分条件 C.充要条件 D.既不充分也不必要条件 5.下列各组中的M ，P 表示同一集合的是（ ） A.{3,1}M =-，{(3,1)}P =-； B.{(3,1)}M =， {(1,3)}P =； C.{}21,M y y x x ==-∈R ∣，{}2(,)1,P x y y x x ==-∈R ∣； D.{}21,M y y x x ==-∈R ∣，{}21,P a a x x ==-∈R ∣； 6.设集合{}2,,0A a a =，{}2,4B =，若{}2A B =，则实数a 的值为（ ） A. B.2± D.2 7.若a ，b 都为正实数，21a b += ，则ab 的最大值是（ ） A.1 4 B.29 C.1 2 D.1 8
——————————教育资源共享步入知识海洋———————— 2019学年高一化学10月月考试题 可能用到的相对原子质量：H—1C—12N—14 O—16Ne—20 Na—23S—32 Cl—35.5 Fe—56 Ba—137 一、单项选择题（本题共12小题，每小题2分，共24分，每题只有一个 ．．．．选项符合题意） 1、CO2是自然界碳循环中的重要物质。下列过程会引起大气中CO2含量上升的是 A．光合作用B．自然降雨 C. 化石燃料的燃烧D．碳酸盐的沉积 2、下列物质属于纯净物的是 A.氨水 B.玻璃 C.液氯 D.石油 3、随着社会的发展，人们日益重视环境问题，下列做法或说法不正确的是 A．对垃圾进行无害化、资源化处理 B．将煤气化或液化，获得清洁燃料 C．PM2.5是指大气中直径接近于2.5×10－6m的颗粒物，也称细颗粒物，这些细颗粒物分散在空气中形成的分散系是胶体 D．推广使用无磷洗衣粉和无氟冰箱 4、以下化学反应不属于氧化还原反应的是 A．2Na＋2H2O＝2NaOH＋H2↑ B. N2H4+O2＝N2+2H2O C．FeO＋2HCl＝FeCl2＋H2O D．NO + NO2 + Na2CO3＝2NaNO2 + CO2↑ 5、下列说法正确的是 A.标准状况下，22.4L C2H5OH（酒精）中含有的氧原子数为6.02×1023 B.常温常压下，32g O3中含有的分子数为2×6.02×1023 C.1mol·L-1 Al2(SO4)3中含有的铝离子数为2×6.02×1023 D. 56g Fe与足量盐酸反应失去的电子数为2×6.02×1023 6、在两个容积相同的容器中,一个盛有HCl气体,另—个盛有H2和Cl2的混合气体。在同温同压下, 两容器内的气体一定具有相同的 A.原子数 B.密度 C.质量 D.质子数 7、设N A表示阿伏加德罗常数，下列叙述中正确的是
辽宁省沈阳市法库县高级中学2020-2021学年高二英语10月月考试题 第Ⅰ卷 第一部分：听力（共两节，满分 30 分） 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，从每题所给的四个选项（A、B、C和D）中，选出一个最佳选项，并在答题卡上将该项涂黑 A Welcome to Holker Hall Garden Visitor information How to Get to Holker By car: Follow brown signs on A590 from J36, M6. Approximate travel times: Windermere﹣20 minutes, Kendal﹣25 minutes, Lancaster﹣45 minutes, Manchester﹣1 hour 30 minutes. By rail: the nearest station is Cark﹣in﹣Cartmel with trains to Carnforth. Lancaster and Preston for connections to major cities&airports. Opening times Sunday﹣Friday（closed on Saturday）11: 00 am﹣4: 00 pm， 30th March﹣2nd November. Admission Charges Hall & Gardens Gardens Adults: ￡12.00 ￡8.00 Groups: ￡9.00 ￡5.5 Special Events Producers? Market 13th April Join us to taste a variety of fresh local food and drinks. Meet the producers and get some excellent recipe ideas. Holker Garden Festival 30th May The event celebrates its 22nd anniversary with a great show of the very best of gardening, making it one of the most popular events in the gardening. National Garden Day 28th August Holker once again opens its gardens in aid of the disadvantaged. For just a small donation you can take a tour with our garden guide. Winter Market 8th November This is an event for all the family. Wander among a variety of shops selling gifts while enjoying a live music show and nice street entertainment. 21. How long does it probably take a tourist to drive to Holker from Manchester? A. 20 minutes. B. 90 minutes. C. 45 minutes. D. 25 minutes. 22. How much should a member of a tour group pay a visit to Hall &gardens? A. ￡12.00. B. ￡5.50. C. ￡8.00. D. ￡9.00. 23. Which event will you go to if you want to see a live music show? A. Producers? Market. B. Winter Market. C. National Garden Day. D. Holker Garden Festival.
2019年高三年级第二次月考英语试卷 第I 卷选择题 第一部分：听力（共两节，满分30分） 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小题，每段对话仅读一遍。 1. How did Lawrence go to the meeting this morning? A. By taxi. B. By bus. C. On foot. 2. What does the woman mean? A. The man's always busy. B. The man's inventing an excuse. C. She forgot the man has a meeting. 3. When is the last train? A. 9:48 p.m. B. 10:18 p.m. C. 10:50 p.m. 4. What are the speakers mainly talking about? A. Choosing courses. B. Shopping. C. History. 5. What will the man probably do? A. Go back to Colorado. B. Go to visit his relatives. C. Climb the mountains. 第二节（共15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、C三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。 听第6段材料，回答第6至7题。 6. Where does the conversation take place? A. At a clinic. B. At a restaurant. C. On the beach. 7. Which restaurant did the woman go to first last night? A. Chinese one. B. Italian one. C. American one. 听第7段材料，回答第8至10题。 8. What is the probable relationship between the speakers? A. Husband and wife. B. Doctor and patient. C. Customer and waiter. 9.What must have caused the speakers' stomach aches? A. The fish. B. The soup. C. The apples. 10. Where will the speakers go? A. To the market. B. To the hospital. C. To the restaurant. 听第8段材料，回答第11至13题。 11. W hat day is it today? A. Monday. B. Wednesday. C. Thursday. 12. Why does the man have to see Dr. Smith? A. He was hit by a ladder. B. He broke his leg. C. He hurt his foot.