当前位置:文档之家› 重庆市第一中学2017届九年级英语3月定时作业试题 精品

重庆市第一中学2017届九年级英语3月定时作业试题 精品

重庆市第一中学2017届九年级英语3月定时作业试题 精品
重庆市第一中学2017届九年级英语3月定时作业试题 精品

重庆市第一中学2017届九年级英语3月定时作业试题

天津一中2015-2016上学期期中初一英语

天津一中2015-2016-1 七年级期中考试英语学科试卷 班级姓名成绩 I 卷:客观试题(70%) 注:请将 I 卷答案填写在机读卡上 I.单项选择(本题共25 小题,每小题1 分,共25 分) 1.There is a of something burning in this room. Please open the window. A.taste B. sound C. smell D. look 2.Your MP4 is quite cheap. Where did you buy ?I want to buy , too. A.one; one B. it; it C. one; it D. it; one 3.--Tomorrow I'm flying to New York.-- . A.Thank you B. Have a good trip C. Best wishes D. Yes 4.-- How old is she? -- She is . A.13-year-old B. 13-years-old C. 13 years old D. 13 year old 5.You look so tired. Why not stop ? A.to have a rest B. having a rest C. to having a rest D. have a rest 6.You cook than John. A.quickly and well B. quick and good C. more quickly and better D. much quickly and better 7.Don’t read in the sun. It’s your eyes. A.good at B. bad at C. good for D. bad for 8.There a football game tomorrow afternoon. A.will have B. is going to be C. has D. is going to have 9.Her way of teaching makes all her students . A.interesting B. interested C. interests D. interest 10.This is my friend John and this is Mary. They from England. 17.The students often forget their homework, so the teachers are angry. A.do B. to do C. doing D. did 18.When I got the news that the ship would sink(沉没), I was sc ared my legs couldn’t move forward. A.too, that B. very, that C. so, that D. too, to 19.He often rides a bike to school, but I to my school. A.by bus B. on a bus C. by a bus D. take a bus 20.I have two friends. One is a doctor, and is a teacher. A.another B. other C. the other D. others 21.“-- Would you please bring me some bananas, Amy?”“ -- .” A.That’s rig ht B. Yes, thanks. C. Not at all D. All right 22.-- do you visit your teacher? ---Once a month. A.What B. How often C. Who D. How many 23.Our school is 10 kilometers the train station. A.far B. from C. away D. to 24.My new bike is the same . A.as her B. with her C. with hers D. as hers 25.The farmers were busy _ ready for the next year in winter of 1999. A.getting, the B. getting, / C. to ge t, the D. to get, / II.完形填空(本题共10 小题,每小题1.5 分,共15 分) Do you live in a city? Do you know 26 cities began? Long long ago,there were only 27 people in the world.These people 28 from place to place.They moved over the land,hunting animals for 29 . No one knows how or when these people learned about growing food.But when they 30 that,their lives changed.They didn't have to look 31 food any more.They 32 stay in one place and grow it. People began to live near one another.And so the first villages grew.Many people came to work in the villages.These 33 became very big. A. all are B. are all C. both are D. are both 34 machines came along,life in the villages changed again. Factories were built.More and 11.These can speak Chinese well. A.woman teachers B. woman teacher C. women teachers D. women teacher 12.It’s time bed. You’d better watch TV now. A.to go to, not B. going, not to C. to go, don’t D. to go to, don’t 13.The students of Class Two are taller than of Class One. A.it B. they C. those D. that 14.Mother asked him forget to turn down the TV because his brother was sleeping. A.not to B. to not C. don’t D. mustn’t 15.There are a lot of people for the bus to come. A.to wait B. waiting C. waited D. is waiting 16.I think Amy smart. A.don’t, is B. /, isn’t C. /, / D. don’t,isn’t more people lived near the factories.And then the cities began and grew very 35 . 26. A. why B. how C. what D. where 27. A. thousand B. thousands C. thousands of D. thousand of 28. A. moved B. lived C. drove D. ran 29. A. games B. clothes C. food D. play 30. A. know B. had C. were D. learned 31. A. at B. for C. after D. into 32. A. able to B. can C. able D. could 33. A. houses B. families C. villages D. cities 34. A. Before B. When C. For D. Till 35. A. big B. small C. bigger D. smaller

最近重庆一中数学七年级上册入学试卷(含答案)

最近重庆一中数学七年级上册入学 试卷(含答案) 第Ⅰ卷 选择题(共30分) 一、选择题(本大题共10个小题,每小题3分,共30分.在每个小题给出的四个选项中,只有一项符合题目要求,请选出并在答题卡上将该项涂黑) 1. 门头沟区定位为生态涵养区之后,环境发生巨大变化,吸引了全国各地的旅游爱好者,据门 头沟旅游局统计,2014年十一黄金周期间,门头沟区接待游客超过29万人,实现旅游 收入32 000 000元. 将32 000 000用科学记数法表示应为( ) A .3.2*10^7 B.32*10^6 C.3.2*10000000 D.32*1000000 2、有下列各数:8,-6.7,0,-80,-1/7,-(-4),-|-3|,-(+62),其中属于非负整数的共有( ) A 、1个 B 、2个 C 、3个 D 、4个 3.若|x+2|+|y-3|=0,则 x-y 的值为 ( ) A .5 B .-5 C .1或-1 D .以上都不对 4.如果m 和n 互为相反数,则化简(3m ﹣2n )﹣(2m ﹣3n )的结果是( ) A .﹣2 B .0 C .2 D .3 5、若4/x 表示一个整数,则整数x 可取的值共有( ). A. 8个 B. 4个 C. 3个 D. 2个 6.在代数式13ab 、3xy 、a +1、3ax 2y 2、1-y 、4x 、x 2+xy +y 2中,单项式有……( ) A .3个 B .4个 C .5个 D .6个 7.如图,数轴上有O ,A ,B ,C ,D 五点,根据图中各点所表示的数,表示数 的点会 落在( ) A .点O 和A 之间 B .点A 和B 之间 C .点B 和C 之间 D .点C 和D 之间 (第7题图) A C B D O

重庆市中考英语总复习练习:专题八 动词

专题八动词 Ⅰ. 短文填空基础题型。 1. (2017贵港)She used to______ her car to work, but now she goes to work by bike. 2. (2017贺州)My bike is broken, so my father is______it up for me now. 3. (2017海南)If you don’t ______the early bus, you’ll be late. 4. (2017广州改编)Where is my phone? I can’t ______ it. 5. (2017广州改编)Your hands are very dirty. Go and ______ them now, Ben! 6. (2017杭州改编)Now, ______ carefully to what the teacher says. 7. I ______ this car three years ago. But it still works very well. 8. We shouldn’t ______ on our parents all the time. We need to do things by ourselves. 9. You have ______ so much wine, so you mustn’t drive. 10. We are going to ______ a picnic together with our teachers next Thursday. 11. In winter, people usually keep flowers in their houses to ______ them against the cold. 12. I’m looking forward to______to Hainan to spend my summer holiday and enjoy the beautiful scenery. 13. Jack is always ready to offer help. He thinks ______ others is one of the happiest things in his life. 14. I’ve just returned from my trip to London. I ______ many interesting places there.

天津市第一中学2017届九年级上学期第二次月考英语试题(附答案)$754885

天津一中2016-2017-1学年度九年级二月考 英语学科试卷 第I卷(选择题共四大题共 55分) 一、听力理解(共 20 题每小题 0.5 分共 10 分) A)在下列每小题内,你将听到一个或两个句子,并看到所供选择的图画,找出与你所听句子内容相匹配的图画。 1. 2. 3. 4. B) 下面你将听到十组对话,每组对话都有一个问题。根据对话内容,从每组所给的A、

B、C 三个选项中找出能回答所提问题的最佳选项。对话读两遍。 5. What are they talking about? A. Weather. B. Business. C. Season. 6. What does the man mean? A. He means it will not snow at all. B. He means he agrees with the woman. C. He means it has already snowed for some time. 7. Which colour does the girl like best? A. Yellow. B. Green. C. Black. 8. What will Mr. Smith do during the holidays? A. He will stay at home. B. He will travel to some places. C. He will study at home. 9. What does the woman mean? A. She is very busy tomorrow. B. It is rainy today. C. She can not go with the man tomorrow. 10. Which place are they probably in? A. In a school. B. In a hospital. C. In the street. 11. How many kinds of pets does Jenny have? A. None. B. One. C. Two. 12. Where is the lady going? A. To the Children’s Library. B. To the Children’s Park. C. To the China Park. 13. What is the relationship between the man and the woman? A. Husband and wife. B. Salesman and customer. C. Doctor and patient. 14. Where did they probably meet before?

重庆一中七年级数学上学期期末考试试题

重庆一中2013-2014学年七年级数学上学期期末考试试题 (满分:150分;考试时间:120分钟) 一、选择题 (每小题4分,共40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,将答 题号 1 2 3 4 5 6 7 8 9 10 答案 1.-2013的相反数是() A. 1 2013 -B. 1 2013 C.3102 D.2013 2. 如图是由几个相同的小正方体搭成的一个几何体,它的左视图为() 3. 下列去括号正确的是 ( ) A.() a b c a b c --=-- B.[] 22 () x x y x x y ---+=-+ C.2()2 m p q m p q --=-+ D.(2)2 a b c d a b c d +--=+-+ 4. 为了了解2013年重庆市九年级学生学业水平考试的数学成绩,从中随机抽取了1000名学生的数学 成绩.下列说法正确的是() A.2013年重庆市九年级学生是总体 B.每一名九年级学生是个体 C.1000名九年级学生是总体的一个样本 D.样本容量是1000 5. 24 4 9 x y π 的系数与次数分别为() A. 9 4 ,7 B. π 9 4 ,6 C. π4,6 D. π 9 4 ,4 6. 已知x=2是方程0 2 2 3 2= -a x的一个根,则2a-1的值是() A. 3 B. 4 C. 5 D. 6 7. 下列说法错误 ..的是() A. 直线没有端点 B.两点之间的所有连线中,线段最短 C. 0.5°等于30分 D.角的两边越长,角就越大 8. 如图,将长方形纸片ABCD的角C沿着GF折叠(点F在BC上, 不与B,C重合),使点C落在长方形内部点E处,若FH平分∠BFE, 设∠GFH的度数是α,则() A.90180 α << o o B.090 α << o o C.90 α=o D.α随折痕GF位置的变化而变化 9. 某车间原计划13小时生产一批零件,后来每小时多生产10件,用了12小时不但完成了任务,而且 A D G E H

中考英语复习 介词

专题五介词 Ⅰ. 短文填空基础题型。 1. There is a big square______the middle of the park. Many people like doing exercise there. 2. Mr. Brown usually begins work______9:00 a.m. on weekdays. 3. Tony gets up early______the morning. He likes to make breakfast for his family. 4. Lily often relaxes herself______listening to the soft music. 5. These students put up some beautiful pictures______the wall. 6. These pictures will be on show_____ November. Lots of visitors will come to see them. 7. _______ my surprise, I was the first one to come to the classroom this morning. 8. Brush your teeth_______ least twice a day, in the morning and before bedtime. 9. _______ the help of my parents, I became confident and outgoing. Ⅱ. 单项选择。 1.(2017北京)More and more young people go skating _______ winter. A. at B. in C. on D. to 2.(2017德州)A woman stood_______ the window, watching the children playing games in the garden. A. past B. through C. across D. by 3.(2017上海)Shirley is still waiting for her flight to New York City _______ the airport. A. at B. under C. on D. with

初中数学七年级上重庆一中第一次月考考试卷.docx

xx学校xx学年xx学期xx试卷 姓名:_____________ 年级:____________ 学号:______________ 题型选择题填空题简答题xx题xx题xx题总分得分 一、xx题 评卷人得分 (每空xx 分,共xx分) 试题1: 的绝对值是( ) A.-3 B. C.3 D. 试题2: 如果与2的和为0,那么为() A.2 B. C. -2 D. 试题3: 计算的结果是() A.-1 B.1 C.-2 D.2 试题4: 一种巧克力的质量标识为“25±0.25千克”,则下列哪种巧克力是合格的() A.25.30千克 B.24.70千克 C.25.51千克 D.24.80千克 试题5: 如图所示,图形绕图示的虚线旋转一周,能形成球体的是()

试题6: 北京等5个城市的国际标准时间(单位:小时)可在数轴上表示如下: 如果将两地国际标准时间的差简称为时差,那么() A.汉城与纽约的时差为13小时 B.汉城与多伦多的时差为13小时 C.北京与纽约的时差为14小时 D.北京与多伦多的时差为14小时试题7: 下列说法正确的是() A.有理数的绝对值为正数 B.只有正数或负数才有相反数 C.如果两数之和为0,则这两个数的绝对值相等 D.任何数都有倒数. 试题8: 在-(-2)、|-1|、-|0|,-22,(-3)2,-(-4)5中正数有() A.1个 B.2 个 C.3 个 D.4个 试题9:

已知,则的值为() A.1 B.-2006 C.-1 D.2006 试题10: 火车票上的车次号有两个意义,一是数字越小表示车速越快,1~98次为特快列车,101~198次为直快列车,301~398 次为普快列车,401~598次为普客列车;二是单数与双数表示不同的行驶方向,其中单数表示从北京开出,双数表示开往北京.根据以上规定,杭州开往北京的某一直快列车的车次号可能是() A.20 B.119 C.120 D.319 试题11: 计算:-2+3=__ __. 试题12: 某升降机上升了4米,表示为+4米,那么下降了3米,应记作__ ___米. 试题13: 土星表面的夜间平均气温为-150℃,白天比夜间高27℃,那么土星表面白天的平均气温为_ ____. 试题14: 点A在数轴上距原点3个单位长度,且位于原点左侧,若将A点向右移动5个单位长度,此时A点表示的数 是 . 试题15: 用“”定义新运算:对于任意实数,,都有=和=.例如.3 2=3,3 2=2,则(2006 2005)(2004 2003)= . .试题16: 已知芝加哥比北京时间晚14小时,问北京时间9月21日早上8:00,芝加哥时间为9月日点. 试题17: 若互为相反数,互为倒数,则

天津一中八年级英语期中试卷

天津一中2014---2015---1八年级英语学科期中考试试卷 一、听力(10分)略 二、单项选择(10分) 21.Lucy is a(n)_____student, she answers the teachers’ questions_______ in her class. A. more active, more actively B. active, more actively C. more active, the most actively D. active, the most actively 22.The Chinese national women’s badminton team ______the Japanese team by 3:1 in India on May 24. A. w on B. lost C. beat D. missed 23.Look! Laura is getting the first place. ________fast runner she is! A. How B. What C. How a D. What a 24.–Everyone went _______Scott and Dan. Why? --Because they has the piano lesson. A. besides B. with C. except D. beside 25.Which of the following is wrong? A. He is cleverer than anyone else in his class B. He is cleverer than any student in his class C. He is cleverer than any other student in his class D. He is cleverer than the other students in his class 26.If you work harder, you’ll have another ________ to play the violin at a concert. A. score B. chance C. mistake D. practice 27.He found a wallet _________ on the playground _________home. A. lie, on his way to B.lying, on his way C. lied, on his way D. lying, on his way to 28.—I have great ______in finishing the work by myself. Could you help me? --No problem. A. fun B. success C. advice D. difficulty 29.--I will go to the countryside to see my grandmother tomorrow so I can’t go swimming with you. --___________ A. It’s my pleasure B. You’re welc ome C. It’s a pity D. Sure, I am 30.We don’t want to speak badly or _______in front of the class. A. clearly B. carefully C. carelessly D. properly 31. _______you do your homework, _________mistakes you will make. A. The more carefully, the more B. More careful, the less C. The more carefully, the fewer D. The more careful, the fewer 32. Before the bridge was built_______the river, the villagers had to take a boat to the other side. A. in B. beside C. across D. along 33. –How do you like the film we saw yesterday? --The thing I like_______of all about it is the music. A. better B. well C. the better D. best https://www.doczj.com/doc/4b6815438.html,o She isn’t known_________a greater thinker like Confucius. A. about B. for C. as D. by 35.She was very________to hear the________news. A. exciting, exciting B. excited, excited C. excited, exciting D. exciting, excited

重庆一中七年级(上)期末数学试卷(详解含答案)

初 班 姓 名 考号 顺序号 密 封 线 内 不 能 答 题 七年级上期期末考试数学试题 (本卷共五个大题 满分150分 考试时间120分钟) 时光荏苒,进入初中校园的你,已适应了初中的学习生活吧!特别是对初中数学的学习充满了兴趣和信心,让我们一起回顾前面所学的内容,验证你的能力!加油! 一、精心选一选:(每小题4分,共40分)在每个小题都只有一个是正确的,请 1、的倒数是( ) A .2 1- B .2 1 C .-2 D .2 2、北京奥运会主会场“鸟巢”的座席数是91000个,这个数用科学记数法表示为( ) 5A. 0.9110? 4B. 9.110? 3C. 9110? 3D. 9.110? 3、近似数0.03020的有几个效数字 ( ) A.1个 B.2个 C.3个 D.4个 4、已知:2 1,14,0,,1,322x x a x xy ++-中单项式有( ) A 、6个 B 、5 个 C 、4个 D 、3个 5、有理数2(1)-,3(1)-,21-, 1-,-(-1)中,其中等于1的个数是( ). A 、2个 B 、3个 C 、4个 D 、5个 6、某服装店新开张,第一天销售服装a 件,第二天比第一天多销售12件,第三天的销售量 是第二天的2倍少10件,则第三天销售了( ) A .(2a +2)件 B .(2a +24)件 C .(2a +10)件 D .(2a +14)件 7、若5,2x y ==且x<0,y>0则x+y=( ) A. 7 B.-7 C. 3 D.-3 8、已知代数式6632+-x x 的值为9,则代数式622+-x x 的值为( ) A .18 B .12 C .9 D .7 9、多项式223(2)1m x y m x y ++-是关于x 、y 的四次三项式,则m 的值为( ) A .2 B .-2 C .±2 D . ±1

完整版本重庆一中初中中考模拟英语试卷试题.doc

重庆一中中考模拟英语试题 第Ⅰ卷(共100 分) II.单项选择。(每小题 1 分,共 20 分) 从 A 、B 、 C、 D 四个选项中选出可以填入空白处的最佳答案,并把答题卡上对应题目的 答案标号涂黑。 22. It ’ s fine today. Let ’ s play ________ football. A. an B. a C. the D. / 23. _______ are English people ’, andsfavoritethey are often cooked in different ways. A. Tomato B. Potatoes C. Beef D. Chicken 24. Look! The kids are listening _______ their teacher carefully. A. for B. to C. at D. in 25. — You missed the first train th is morning, didn ’ t you? — ________. My parents failed to wake me up. A. Yes, I did B. Yes, I didn ’ Ct. No, I did D. No, I didn ’t 26. It has been one year ________ the earthquake happened in Wenchuan. A. when B. since C. after D. while 27. — May I borrow your pencil, please? — Yes, of course. Here are some and you can take ________ of them. A. every B. all C. any D. either 28. _________ try this one? I think it ’ s better. A. What about B. Ho w about C. Why not D. Why don ’t 29. 80,000 yuan ________ a lot of money, but it ’ s far less than we need. A. is B. are C. were D. was 30.In order to make our city more beautiful, a lot of big trees ________ on both sides of the street. A. should build B. have built C. must be built D. will build 31. — Mum, it ’ s so hot and I am very thirsty. — Here ’ s the money, baby. Go and buy an ice cream. A. you B. me C. yourself D. myself 32. Mr Chen is handsome and kind and he is one of _________ in our school. A. a popular teacher B. more popular teacher C. most popular teachers D. the most popular teachers 33. — Can you see ? — No, Let ’ s go and have a look. Maybe we can help them. A. what are they doing there B. why are they talking there C. what is happening there D. what are they talking about 34.— How often were you late for school last term, Lisa? — ________. I got to school early every day. A. Always B. Usually C. Sometimes D. Never 35. These days my classmates are busy ________ ready for the final exam. A. to get B. get C. getting D. got 36. — My father has decided to _________ smoking. — That ’ s good news for us. A. give up B. hand up C. put up D. look up 37. To be honest, I don ’ t want to tell him unless he _________ me. A. asked B. asks C. will ask D. has asked 38. — I hope to visit Greece one day. — ____________. A. So I do B. So do I C. Yes, I hope to do D. Yes, I will

天津一中2017年九年级英语3月月考试卷及答案

C. 天津一中 2016-2017-2 学年度九年级三月考英语学科试卷 第 I 卷(选择题共四大题共 55 分)一、听力 理解(共 20 题每小题 0.5 分共 10 分) A) 在下列每小题内,你将听到一个或两个句子并看到供选择的 A、B、C 三幅图画。找出与你所听句子内容相匹配的图画。 1. A.B.C. 2. A.B.C. 3. A.B. 4. A.B.C. B)下面你将听到十组对话,每组对话都有一个问题。根据对话内容,从每组所给的 A、B、 C 三个选项中找出能回答所提问题的最佳选项。 5.How did Lucy feel when she got the prize?

A.She felt lucky. B.She felt relaxed. C.She felt happy. 6.What will the weather be like tomorrow? A.It will be windy. B.It will be rainy. C.It will be sunny.

7.What time is it now? A.8:30. B.8: 00. C.7:30. 8.Why did the man’s daughter go to London? A.To study. B.To have a holiday. C.To visit her friends. 9.Which month is it now? A.June. B.May. C.April. 10.Where will David go for his vacation? A.China. B.America. C.Japan. 11.Where does the man want to go? A.East Park. B.East Market. C.West Park. 12.Why will the boy be late for the party? A.Because he must have a guitar lesson. B.Because he must play the piano. C.Because he must do homework. 13.What does Mary often do to help her mother? A.She often helps her mother to cook meals. B.She often helps her mother with the washing. C.She often helps her mother to clean the house. 14.What would the woman like? A.Tea. B.Juice. C.Coffee with milk C) 听下面长对话或独白。每段长对话或独白后都有几个问题,从题中所给的A、B、C 三个选项中选出最佳选项。 听下面一段材料,回答第 15 至第 17 题。 15.What does the boy want to do? A.To mend his shoes. B.To wash his shoes. C.To buy a pair of new shoes. 16.What size shoes does the boy wear? A.Six. B.Seven. C.Eight. 17.What color shoes does the boy like best? A.White. B.Green. C.Blue. 听下面一段材料,回答第

2015-2016学年重庆一中七年级(上)期末数学试卷(含解析)

2015-2016学年重庆一中七年级(上)期末数学试卷 (考试时间:120分钟满分:150分) 一、选择题(每个题4分,共48分) 1.2的相反数是() A.﹣B.C.2 D.﹣2 2.若x=1是方程2a+3x=9的解,则a的值为() A.B.1 C.3 D.6 3.如图的几何体是由若干形状、大小完全相同的小立方体组成,则从左面看几何体,看到的图形是() A.B. C.D. 4.成渝高铁终于开通了,在百度搜索“成渝高铁”,相关结果约有62800个,高铁开通后,成都和重庆正式形成了1小时经济圈,沿线城市的交流、互动更加便捷和频繁.将62800用科学记数法表示为()A.0.628×105B.6.28×104C.62.8×103D.628×102 5.下列调查方式中,最适合用普查的是() A.调查重庆市初中生每天体育锻炼所用的时间 B.调查北京地区雾霾污染程度 C.质检部门调查厂商生产的一批足球合格率 D.调查深圳“12.20”滑坡事件的伤亡人数 6.下列各式正确的是() A.x2?x3=x6B.(x3)2=x9C.(2x)3=2x3D.x3÷x2=x 7.若(x﹣1)(x+3)=x2+mx+n,则m+n=() A.﹣1 B.﹣2 C.﹣3 D.2 8.如图,线段AB=4,延长AB到点C,使BC=2AB,若点D是线段AC的中点,则BD的长为()

A.1.5 B.2 C.2.5 D.6 9.已知x+y=4,xy=3,则x2+y2的值为() A.22 B.16 C.10 D.4 10.校园“mama”超市出售2种中性笔,一种每盒有8支,另一种每盒有12支.由于近段时间某班全体上课状态很不错,班委准备每人发1支以示鼓励.若买每盒8支的中性笔x盒,则有3位同学没有中性笔;若买每盒12支的中性笔,则可以少买2盒,且最后1盒还剩1支,根据题意,可列方程为() A.8x﹣3=12(x﹣3)+11 B.8x+3=12(x﹣2)﹣1 C.8x+3=12(x﹣3)+1 D.8x+3=12(x﹣2)+1 11.如图是由一些点组成的图形,按此规律,第⑥个图形中点的个数为() A.43 B.49 C.63 D.127 12.如图,长方形ABCD中有6个形状、大小相同的小长方形,且EF=3,CD=12,则图中阴影部分的面积为() A.108 B.72 C.60 D.48 二、填空题(每小题4分,共24分) 13.﹣3的倒数是. 14.已知多项式﹣3a2b+﹣ab+1,则这个多项式的次数是. 15.小明在O点记录一辆正在行驶的笔直的公路l上的汽车的位置,第一次记录的汽车位置是在O点南偏西30°方向上的点A处,第二次记录的汽车位置是在O点南偏东45°方向上的点B处,则∠AOB=.

2020届重庆一中中考数学二模试卷(有答案)

重庆一中中考数学二模试卷 一、选择题:(本大题共12个小题,每小题4分,共48分)在每个小题的下面,都给出了代号为A、B、C、D的四个答案,其中只有一个是正确的,请将正确答案的代号在答题卡中对应的方框涂黑. 1.﹣2、0、1、﹣3四个数中,最小的数是() A.﹣2 B.0 C.1 D.﹣3 2.下列图形是中心对称图形的是() A.B. C.D. 3.下列计算中,结果正确的是() A.a2?a3=a6 B.(2a)?(3a)=6a C.(a2)3=a6D.a6÷a2=a3 4.函数y=的自变量取值范围是() A.x≠3 B.x≠0 C.x≠3且x≠0 D.x<3 5.我校2016级2198名考生在2016年中考体育考试中取得了优异成绩,为了考察他们的中考体育成绩,从中抽取了550名考生的中考体育成绩进行统计,下列说法正确的是()A.本次调查属于普查 B.每名考生的中考体育成绩是个体 C.550名考生是总体的一个样本 D.2198名考生是总体 6.如图,直线AB∥CD,直线EF与直线AB相交于点M,MN平分∠AME,若∠1=50°,则∠2的度数为() A.50°B.80°C.85°D.100° 7.已知x﹣2y=3,则7﹣2x+4y的值为() A.﹣1 B.0 C.1 D.2

8.如图,AB是⊙O的直径,点D在AB的延长线上,过点D作⊙O的切线,切点为C,若∠A=25°,则∠D=() A.40°B.50°C.55°D.60° 9.下列图形都是由同样大小的小圆圈按一定规律组成的,其中第①个图形中一共有1个空心小圆圈,第②个图形中一共有6个空心小圆圈,第③个图形中一共有13个空心小圆圈,…,按此规律排列,则第⑦个图形中空心圆圈的个数为() A.61 B.63 C.76 D.78 10.数学活动课,老师和同学一起去测量校内某处的大树AB的高度,如图,老师测得大树前斜坡DE的坡度i=1:4,一学生站在离斜坡顶端E的水平距离DF为8m处的D点,测得大树顶端A的仰角为α,已知sinα=,BE=1.6m,此学生身高CD=1.6m,则大树高度AB为()m. A.7.4 B.7.2 C.7 D.6.8 11.在矩形ABCD中,AB=,BC=2,以A为圆心,AD为半径画弧交线段BC于E,连接DE,则阴影部分的面积为()

相关主题
文本预览
相关文档 最新文档