江苏省泗洪县新星城南学校2020-2021学年七年级上学期第一次阶段性测试模拟考试英语试题
江苏省泗洪县新星城南学校2020-2021学年八年级上学期第一次阶段性测试模拟考试英语试题
2020-2021学年度第一次阶段性测试模拟考试八年级英语（分值：120分时间：100分钟）第一部分听力一、听力。
（20分）A. 听对话回答问题.（）1. Who is Jim's best friend?A. B. C.（）2. What is the boy good at?A. B. C.（）3. What will the two speakers do this weekend?A. B. C.（）4. What is Kitty's trouble?A. B. C.（）5. What time does Tom usually go to school every morning?A. 7: 00.B. 7: 30.C. 8: 00.（）6. How old is Wilson?A. Eleven.B. Thirteen.C. Fifteen.（）7. What is Lucy doing now?A. She is watching a film.B. She is doing her homework.C. She is cooking.（）8. Why does Sam have few friends?A. Because he is careful.B. Because he is helpful.C. Because he is unhelpful. （）9. What's the man going to do first?A. Go out to dinner.B. Write a report.C. Go for a school trip. （）10. What can we learn about Linda's pencil box?A. It's bigger than Jim's pencil box.B. It's the same size as Jim's pencil box.C. It's smaller than Jim's pencil box.B. 听对话和短文回答问题. 听一段对话, 完成第11—12小题.（）11. Where are they going?A. The Buddy Club.B. The Reading Club.C. The Art Club.（）12. How many people are going together?A. 3.B. 4.C. 5.（）（）14. A. new B. true C. close（）15. A. football B. basketball C. table tennis 听第二篇短文, 完成第16—20小题.（）16. Why was Maya's teacher unhappy about her?A. She was late for school.B. She left her homework at home.C. She didn't finish her homework.（）17. How did Maya and her brother go to school?A. By bus.B. On foot.C. By car.（）18. What happened to Maya on her way home?A. She lost her books.B. She left her books on the bus.C. She dropped her books on the wet ground.（）19. Why did Maya smile when she saw the writing homework?A. She thought it would be easy to write.B. Her brother would help her finish it.C. She and her brother would do it together.（）20. What is the passage mainly about?A. How Abdul learnt to be nice to his sister.B. How Maya learnt to be thankful to her brother.C. How Maya and her brother learnt to help each other.第二部分二、单选题（共15小题；每小题1分, 满分15分）( ) 21. What _______honest girl! She is my _________best friend.A. a; theB. an; theC. a; /D. an; /( )22. Football in British English has the same meaning as ______ in American English.A.liftB. eraserC. soccerD. fall( )23. A good friend never _____ lies and says a bad word ____ anyone.A. tells; aboutB. says; aboutC. speaks; withD. tells; to ( )24. These children are ____ this year than they were last year.A. more tallB. more tallerC. very tallerD. much taller( ) 25. China is larger than ____ in Africa (非洲) .A. any other countryB. other countriesC. the other countryD. any country( )26. Mr Smith made Kitty ___ clean the classroom alone. This made her _____.A. to clean; sadB. clean; sadlyC. clean; unhappyD. cleaned; unhappy( )27. We don’t feel ________ when we are in his class. He isn’t a ________ man.A. bored; boredB. boring; boringC. bored; boringD. boring; bored( )28.---What’re you ________? ---My husband’s health problem _______me a lot.A. worrying; worriesB. worried about; worriesC. worried about; worries aboutD. worrying about; is worried about( )29. — ______ talk about the driving lesson? —Good idea!A.What aboutB. why notC. How aboutD. Why don’t( )30. Mr. Fat has _______ money than Mr. Thin, but he has _______ friends.A. more, fewerB. more, lessC. fewer, moreD. less, less( )31. After you discuss it ______ them, you may know ______ to do about it.A. with; howB. with; whatC. for; whatD. for; how( )32.---Mum, can I have something ______?---Oh, dear. You can only drink some water. There is _____ in the kitchen.A. to drink; nothing elseB. drinking; something elseC. to eat; something elseD. eating; nothing else( )33. --_______ do you go the Swimming Club a week? –Twice a week.A. How oftenB. How longC. How many timesD. How soon( )34. Nancy spent half an hour _______ the piano every day.A.to practice playingB. practicing playingC. practicing to playD. to practice to play( )35. ---What’s your father like? ---___________.A. He is a workerB. He is fine. Thank you.C. He likes playing basketballD. He is helpful and generous三、完形填空（共15小题；每小题1分, 满分15分）Miss Hunt is a beautiful girl. Her father 36 two years ago and her mother made a terrible mistake and was sent to the prison(监狱). She began to live a 37 life. When she 38 her middle school, she couldn’t go on studying. Her uncle found a job for her. Mr Baker, a rich shopkeeper, hired(雇佣) her. Her work was to clean the rooms and sweep the floors. She tried her 39 and worked hard. Mrs Baker liked her and paid her 40 than the other cleaners.It was Sunday. Mr Baker was reading and Mrs Baker was watching TV in the sitting room. The girl 41 and said, “I’m42 , Mrs Baker. I have to tell you I can’t work for you any longer. I ...”It 43 Mr and Mrs Baker. The woman asked, “What makes you say that? Aren’t we44 to you?”“Yes, you are, madam,” the girl said.“Do you find a piece of45 work?” Mrs Baker asked.“No, I don’t,” Miss Hunt said,“46 I don’t think you trust（相信）me.”“No, you’re47 , Miss Hunt,” said Mr Baker. “I always think you are a48 girl. And I often leave my 49 in my office.”“It was true that you often left the keys in your office,” said the girl. “But I c ould use none of them to 50 the safe(保险箱)!”“Well,” said Mrs Baker. “You can go right now!”( )36. A．hurt B．died C．slept D．fell ( )37.A．boring B．happy C．easy D．hard ( )38.A．finished B．stopped C．end D．over ( )39．A．better B．good C．best D．well ( )40．A．much B．more C．little D．less ( )41．A．looked out B．came in C．jumped into D．ran away ( )42．A．glad B．happy C．pleased D．sorry ( )43．A．excited B．interested C．surprised D．worried ( )44．A．friend B．bad C．kind D．cold ( )45．A．bad B．better C．well D．badly ( )46．A．so B．if C．but D．or ( )47．A．wrong B．right C．real D．really ( )48．A．good B．terrible C．lazy D．forgetful ( )49．A．bags B．keys C．safe D．husband ( )50．A．find B．make C．close D．open四、阅读理解（共两节，满分35）第一节(共15小题；每小题2分, 满分30分)A( )51. If children want to watch new films, they should go to_______.A. 16 Yangtze RoadB. 89 North StreetC. 106 Green StreetD. 99 Brick Road( )52. If you dial(拨号) 66387901, you can_______.A. ask for some hotel informationB. do some shoppingC. have a good story timeD. get fast food in a restaurant( )53. You cannot get any information about_______ from the passage above.A. looking for a hospitalB. doing eye exercisesC. eating fast foodD. taking a taxiBWe each have a memory . That’s why we can still remember things after a long time. Some people have very good memories and they can easily learn many things by heart, but some people can only remember things when they say or do them again and again. Many of the great men of the world have got surprising memories.A good memory is a great help in learning a language. Everybody learns his mother language when he is a small child. He hears the sounds, remembers them and then he learns to speak. Some children are living with their parents in foreign countries. They can learn two languages as easily as one because they hear, remember and speak two languages every day. In school it is not so easy to learn a foreign language because the pupils have so little time for it, and they are busy with other subjects, too.But your memory will become better and better when you do more and more exercises.( )54．Why can some people easily learn many things by heart? Because _______.A．they always sleep very well B．they often eat good foodC．they read a lot of books D．they have very good memories( )55．When does everybody learn his mother language?A．At the age of six B．When he is a small childC．After he goes to school D．When he can read and work.( )56．Before a child can speak, he must ________.A．read and write B．think hardC．hear and remember the sounds D．make sentences( )57．Why is it not easy for the pupils to learn a foreign language? Because _______.A．they have no good memories B．they have no recordersC．they have too much time for it D．they are busy with other subjects( )58．Your memory will not become better __________.A．if you don’t have a lot of good food B．if you don’t do more and more exercisesC．if you don’t do morning exercises every day D．if you don’t get up earlyCMany teenagers feel that the most important people in their lives are their friends. They believe that their family members don’t know them as well as their friends do. In large families, it’s quite often for brothers and sisters to fight with each other and then they can only go to their friends for some ideas.It is very important for teenagers to have one good friend or a group of friends. Even when they are not with their friends, they usually spend a lot of time talking among(在……之间) them on the phone. This communication is very important in children’s growing up, because friends can discuss something. These things are difficult to say to their family members.However, parents often try to choose their children’s friends for them. Some parents even stop their children from meeting their good friends. Have you ever thought of the following questions? Who choose your friends? Do you choose your friends or your friends choose you? Have you got a good friend your parents don’t like? Your answers are welcome.( )59．_________is very important to teenagers.A．To make friends B．CommunicationC．To stop meeting friends D．Both A and B( )60.When teenagers have something difficult to say to their parents, they usually_________.A．stay alone at home B．fight with their parentsC．discuss it with their friends D．go to their brothers and sisters for help( )61．The sentence “Your answers are welcome.”means“_________”.A．You are welcome to discuss the questions with us.B．We’ve got no idea, so your answers are welcome.C．Your answers are always right.D．You can give us all the right answers.( )62．Which of the following is the writer’s attitude（态度）?A．Parents should choose friends for their children.B．Children should choose everything they like.C．Parents should understand their children better.D．Teenagers should go to their friends for help.DJo was the first to wake up on Christmas morning. When her sisters were awake too, they all went own to the kitchen. Their mother wasn't there but Hannah, their servant, was."Your mother went out early, "she said. "A poor boy came to the door asking for food. She was sorry for him and she wanted to help him. She went to see his family. "While they were waiting for their mother to come back, the girls put their presents for her in a basket. Soon they heard the sound of a key in the front door."Mother's here!" cried Jo."Hide the basket behind the sofa! Quick!"Then they all rushed into the hall to greet their mother."Merry Christmas, Mother!" they cried."Merry Christmas, little daughters!" Mrs March said in her happy voice. She hugged them all and kissed them. Then she suddenly became very serious."Come and sit down, girls. I want to say something before we start breakfast. "They all sat down at the breakfast table and Mrs March continued."I went to see a poor woman this morning. Her name is Mrs Hummel. She lives near here in one room with her seven children. One of them is only a baby. They are cold and hungry because they don't have a fire or any food. The oldest boy Jack came to ask me for help. Girls, can we give them our breakfast as a Christmas present?"The sisters looked at the good food on the table. They were all hungry. For a minute nobody spoke.Then Jo said, "I'm so glad you came back before we started eating, Mother!"—From the Little Woman( )63．Where did the girls put their presents for their mother?A．In front of the door. B．In a basket. C．Behind the front door. D．On the sofa.( )64．Who is Mrs Hummel?A．Jack's mother B．Jo's mother C．Jo's servant D．Jack's sister( )65．According to the last sentence "I'm so glad you came back before we started eating, Mother!", what did Jo mean?A．She wanted to eat breakfast with their mother.B．She was happy to give the breakfast to the boy.C．She wanted their mother to come back.D．She was glad that it's time to eat breakfast.第二节(共5小题；每小题1分, 满分5分) 阅读下面短文, 从短文后的选项中选出可以填入空白处的最佳选项。
2020-2021七年级上册第一次阶段测试及试卷分析
初一数学阶段测试试卷（2020.10）一、选择题（每小题4分，共48分）1、下列各对数中，互为相反数的是（）A. +（-5.2）与一5.2 ；B. +（+5∙2）与一5.2 ；C. 一（一5.2）与5.2 ；D, 5.2与+ （+5.2）2、地球绕太阳每小时转动经过的路程约为110000千米，用科学记数法表示约为（）千米A、1. 1× 101 B、1. 1× 105 C、1. 1× 106 D、ll×1013、下列各式中，不相等的是（）A、（一3）2 和一3?B、（一3产和32C、（一2）3 和一23D、∣-2∣3ff∣-23∣4、下列说法正确的是（）A、有理数的绝对值一定是正数B、如果两个数的绝对值相等，那么这两个数相等C、如果一个数是负数，那么这个数的绝对值是它的相反数D、绝对值越大，这个数就越大5、若两个有理数的和是正数，那么一定有结论（）（A）两个加数都是正数（B）两个加数有一个是正数（C）一个加数正数，另一个加数为零（D）两个加数不能同为负数6.下列说法正确的是（）①最小的负整数是-1;②数轴上表示数2和-2的点到原点的距离相等；③当时，时=一。
成立;④。
+ 5一定比。
大;⑤（一2）3和一23相等.A、2个B、3个C、4个D、5个7、两个数的差是负数，则这两个数一定是（）（A）被减数是正数，减数是负数（B）被减数是负数，减数是正数（0被减数是负数，减数也是负数（D）被减数比减数小8、一个数和它的倒数相等，则这个数是（）A. 1B. -1C. ±1D. ±1 和09、如果∣α∣=-α,下列成立的是（）A. cι>GB. a<0C. a≥0D. a<010、有理数a、b在数轴上的对应的位置如图所示，则（）-1 0 1A. a + b<0B. a + b>0;C. a—b = 0D. a—b>011.绝对值小于6的所有整数的和与积分别是（）4. 0, 0 B. 0, 30 C. -20, 120 D. -20, -12012、小明近期几次数学测试成绩如下：第一次85分，第二次比第一次高8分，第三次比第二次低12分，第四次又比第三次高10分.那么小明第四次测验的成绩是....... （）A、90 分B、75 分C、91 分D、81 分二、填空题（每题4分，共24分）713、在4.01, —∣-3∣, -(-2), -(+5), _|1| , - 中，负数共有() 个。
[组合]2020-2021学度第一学期七年级上册阶段性抽测数学试卷期中考试共3套
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2020-2021 学年第一学期期中考试初一年级数学试卷（无答案）一．选择题（本大题共10 小题，每小题 3 分，共30 分）1 1．－5 的相反数是（ ） 1 A ．－5B ．±5C ．5D ．52．在 1，－2， 3，－4 这四个数中，绝对值最小的数为（ ） A ．1B ．3C ．－2D ．－43．苹果原价是每千克 x 元，按 8 折优惠出售，用式子表示现价为（ ）A ．0.8xB ．8xC ．8％xD ．0.8%x4．如果物体下降 5 米记作－5 米，则＋3 米表示（ ）A ．下降 3 米B ．上升 3 米C ．下降或上升 3 米 D. 上升－3 米5．下列运算中，正确的是（ ）A ．3a+2b=5abB ． 2a 3 + 3a2= 5a 5C ． 3a 2b - 3ba 2= 0D ． 5a 2- 4a 2= 16．若 abn +1与a m b 3 是同类项，则 m ＋n 的值为（）4A ．2B ．3C ．4D ．57．下列说法中正确的是（ ） A. 同号两数相乘，取原来的符号 B ．两个数相乘，积大于任何一个因数 C ． 一个数与 0 相乘仍得这个数D ． 一个数与－1 相乘，积为该数的相反数8．下列关于单项式-3 3xy 2 5的说法中，正确的是（ ）3A ．系数是- ，次数是 2B ．系数是 55，次数是 23C ．系数是－3，次数是 3D ．系数是- ，次数是 35a b 9．下列等式或不等式中：①a + b = 0；②a b < 0；③+=0 ( a ≠0 ,b≠0 )a bA．0 个B．1 个C．2 个D．3 个10．下列图形都是由同样大小的圆按照一定规律摆放而成，其中第①个图形有5 个小圆，第②个图形有9个小圆，第③个图形有13 个小圆，...，按此规律排列，则第10 个图形中小圆的个数为（）.A．37 B．40 C．41 D．42二．填空题（共7 小题，每小题 4 分，共28 分）11．（－7）－2= .12．2018 年10 月24 日港珠澳大桥全线通车，港珠澳大桥东起香港国际机场附近的香港口岸人工岛，向西横跨伶仃洋海域后连接珠海和澳门人工岛，止于珠海洪湾，它是世界上最长的跨海大桥，被称为“新世界七大奇迹之一”，港珠澳大桥总长度55000 米，则数据55000 用科学计数法表示为. 13．已知x=－2，则代数式- x2 +10 =.14．已知多项式x m +(m - 2)x -10 是二次三项式，m 为常数，则m的值为．15．如果定义新运算⊕：a⊕b=a×b-a÷b，那么1⊕（－2）=.16．已知2a－b=3，则代数式3b－6a＋5 的值为．17．观察下列算式：①31= 3，②3 2=9，③ 3 3=27 ，④3 4 = 81，⑤ 3 5=243 ，⑥3 6=729 ，⑦ 3 7= 2187 ，⑧3 8=6561，那么32020 的个位数字是．三．解答题（一）（本大题3小题，每小题6分，共18分）18．计算(-1)2÷1+(7-3)⨯3--22 420.化简求值：2(a2-ab)-3(2a2-ab),其中a=-2，b=3.四．解答题（二）（本大题3小题，每小题8分，共24分）21.已知(x-2)2 +y +1 = 0 ，a、b 互为相反数，c、d 互为倒数，p 是数轴上到原点的距离为2 的数，求代数式y x - 3a + 2cd +p - 3b 的值.22.有8 筐白菜，以每筐25 千克为标准，超过的千克数记作正数，不足的千克数记作负数，称后的记录如下：.回答下列问题：(1)这8筐白菜中最接近标准重量的这筐白菜重千克；(2)这8 筐白菜一共重多少千克？23.某同学做一道数学题：“两个多项式A、B，B=4x2-5x-6，试求A－B的值.”这位同学把“A－B”看成“A+B”，结果求出答案是7x2-10x-12.（1）求多项式A；（2）求A－B 的正确答案.五、解答题（三）（本大题2小题，每小题10分，共20分）24.阅读理解题：（1）请在理解上面计算方法的基础上，把下面两个数表示成两个分数的和的形式（分别写出表示的过程和结果）.（2）利用以上所得的规律进行计算：25.已知多项式x3 + 2x2 y - 4 的常数项是a，次数是b，若a、b 两数在数轴上所对应的点为A、B.（1）线段A B 的长= .（2）数轴上在 B 点右边有一点C，点 C 到A、B 两点的距离和为11，求点C 在数轴上所对应的数;（3）若P、Q 两点分别从A、B 出发，同时沿数轴正方向运动，P 点的速度是Q 点速度的2 倍，且3 秒后，2OP=OQ，求点Q 运动的速度.2020学年第一学期阶段性抽测七年级数学(问卷)（无答案）本试卷分选择题和非选择题两部分,共三大题24小题,共6页,满分120分,考试用时100分钟注意事项:1.答卷前,考生务必在答题卡上用黑色字迹的钢笔或签宇笔填写镇(街)、学校、试室号、姓名、座位号及准考证号等自己的个人信息,再用2B铅笔把对应准考证号的标号涂黑2.选择题每小题选出答案后,用2B铅笔把答题卡上对应题目的答案标号涂黑如需要改动,用橡皮擦干净后,再选涂其他答案不能答在试卷上3.非选择题必须用黑色字迹的钢笔或签字笔作答,涉及作图的题目,用2B铅笔画图答案必须写在答题卡各题目指定区域的相应位置上;如需要改动,先划掉原来的答案,然后再写上新的答案,改动的答案也不能趯出指定的区域;不准使用铅笔、圆珠笔和涂改液不按以上要求作答的答案无效4.考生必须保持答题卡的整洁,考试结束后,将答题卡上交第一部分选择题(共30分)一、选择题(本大题共10小题,每小题3分,满分30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.我国古代《九章算术》中注有“今两算得失相反,要令正负以名之”,意思是今有两数其意义相反,则分别叫做正数与负数.如果向北走两步记作+2步,那么向南走5步记作（）(A)+5步 (B)-5步 (C)-3步 (D)-2步2.如图,检测4个足球,其中超过标准质量的克数记为正数,不足标准质量的克数记为负数,从轻重的角度看,最接近标准的是(※)(A)(C)(D)3.在-3、-2、0、1中,最小的一个数是(※)(A)-3 (B)-2 (C)0 (D)14.“001号议案”提出三年后,广州目前污水处理能力达到了760000吨/日,位居全国第二,将7660000用科学记数法表示为(※)(A)7.66×104 (B)7.66×105 (C )76.6×105 (D)7.66×106 5.已知a=-2,b=1,则a b +-的值为(※)(A)3 (B)1 (C)0 (D)-1 6.下列运算中正确的是(※)(A)a 3+a 3=a 6 (B)a 3+a 3=2a 3 (C)a 3+a 3=2a 6 (D)a 3+a 3=a 9 7.下列变形中,正确的是(※)(A)-(3x+2)=-3x+2 (B)-(3x-2)=3x+2 (C)-(3x-2)=-3x+2 (D)-(3x-2)=-3x-2 8.下列说法错误的是(※)(A)2x 2-3xy-1是二次三项式 (B)-x+1不是单项式(C) 23π-xy 2的系数是23π- (D)-22xab 2的次数是69.已知a,b 是有理数,满足a<0<b,a+b>0,则把a,-a,b,-b 按照从小到大的顺序排列,正确的是(※)(A) -b<-a<a<b (B)-b<a<-a<b (C) -a<-b<a<b (D) a<-b<b<-a 10.等边△ABC 在数轴上的位置如图所示,点A 、C 对应的数分别为0和-1,若△ABC 绕顶点沿顺时针方向在数轴上连续翻转,翻转1次后,点B 所对应的数为1,则连续翻转2020次后,点B(※)(A)不对应任何数 (B)对应的数是2018 (C)对应的数是2019 (D)对应的数是2020+0.9 g-0.36 g-0.8 g+2.5 g第10题图第二部分非选择题(共90分)二、填空题(本大题共6小题,每小题3分,共18分)11.某地某天的最高气温是6℃,最低气温是-4℃,则该地当天的温差为 ※ ℃12.用四舍五入法将3.1416精确到0.01后,得到的近似数是 ※13在数轴上将点A 向右移动7个单位,再向左移动4个单位,终点恰好是原点,则点A 表示的数是 ※14.若单项式3x 2y n 与-2x m y 3是同类项,则m+n= ※15.若代数式2y 2-y+1=3,那么代数式4y 2-2y+5的值为 ※16.根据下图所示的程序运算,若输入的x 值为1,则输出的结果为 ※第16题图三、解答题(本大题共8小题,满分72分.解答应写出文字说明、证明过程或演算步骤17.(本小题满分6分)计算:(1)12-(-8)+(-7)+10(2) ()10011543⎛⎫-⨯--÷- ⎪⎝⎭18.(本小题满分6分)把下列各数分别填入相应的集合里:15, 12-，-5，2.333,0.1,0(1)正数集合:{ }(2)整数集合:{ }(3)分数集合:{ }19.(本小题满分8分)化简:8a2+4-2a2-5a-a2-5+7a20.(本小题满分8分)辆货车从百货大楼出发送货,向东行驶4千米到达小明家,继续向东行驶1.5千米到达小红家,然后向西行驶8.5千米到达小刚家,最后返回百货大楼。
2020-2021苏州市七年级数学上期中一模试题(含答案)
2020-2021苏州市七年级数学上期中一模试题(含答案)一、选择题1．如图，直线AB ，CD 相交于点O ，射线OM 平分∠AOC ，ON ⊥OM ，若∠AOM ＝35°，则∠CON 的度数为（ ）A ．35°B ．45°C ．55°D ．65°2．方程去分母，得（ ）A ．B ．C ．D ．3．小王利用计算机设计了一个程序，输入和输出的数据如下表： 输入 (1)2345… 输出…12 25 310 417 526…那么，当输入数据8时，输出的数据是（ ）A ．861B ．863C ．865D ．8674．7-的绝对值是 （ ）A ．17-B ．17C ．7D ．7-5．我国古代名著《九章算术》中有一道阐述“盈不足术”的问题，原文如下：今有人共买物，人出八，盈三；人出七，不足四，问人数几何？原文意思是：现在有一些人共同买一个物品，每人出8元，还盈余3元；每人出7元，则还差4元，问共有多少人？如果假设共有x 人，则可列方程为（ ） A ．8374x x +=+ B ．8374x x -=+ C ．8374x x +=- D ．8374x x -=- 6．一周时间有604800秒，604800用科学记数法表示为（ ） A ．2604810⨯B ．56.04810⨯C ．66.04810⨯D ．60.604810⨯7．按如图所示的运算程序，能使输出结果为10的是（ ）A ．x ＝7，y ＝2B ．x ＝﹣4，y ＝﹣2C ．x ＝﹣3，y ＝4D ．x ＝12，y ＝3 8．如图，从左面看该几何体得到的形状是（ ）A ．B ．C ．D ．9．我国第六次全国人口普查数据显示，居住在城镇的人口总数达到665 575 306人．将665 575 306用科学记数法表示（保留三个有效数字）约为（ ） A ．66.6×107 B ．0.666×108 C ．6.66×108D ．6.66×10710．图1和图2中所有的正方形都全等，将图1的正方形放在图2中的①②③④某一位置，所组成的图形不能围成正方体的位置是（ ）A ．①B ．②C ．③D ．④11．如图，将一三角板按不同位置摆放，其中1∠与2∠互余的是( )A ．B ．C ．D ．12．如下图，将直角三角形绕一条边所在直线旋转一周后形成的几何体不可能是( )A ．B ．C ．D ．二、填空题13．23-的相反数是______．14．我国明代数学读书《算法统宗》一书中有这样一道题：一支竿子一条索，索比竿子长一托,对折索子来量竿，却比竿子短一托.如果1托为5尺，那么设竿子长为x 尺，依据题意，可列出方程得____________.15．若代数式5x －5与2x －9的值互为相反数，则x ＝________.16．商店运来120台洗衣机，每台售价是440元，每售出一台可以得到售价15%的利润，其中两台有些破损，按售价打八折出售。
江苏省泗洪县新星城南学校2020-2021学年八年级上学期第一次阶段性测试模拟考试物理试题
2020-2021学年度第一次阶段性测试模拟考试八年级物理试卷（分值：100分时间：100分钟）一、选择题（共15题，每题2分，共计30分）1．以下措施中，无法使气体液化的是（）A．使气体温度降低到足够低B．压缩气体体积并降低气体温度C．压缩气体的体积D．增大气体体积并升高气体温度2．以下活动中，用来探究声音产生原因的是（）A．用大小不同的力敲鼓B．将发声的音叉触及面颊C．将发声手机置于密闭瓶内并抽气D．用硬卡片在梳齿上快划、慢划3．正在拉二胡的一位同学不断用手指去控制琴弦，这样做的目的是（）A．阻止琴弦振动发声B．为了获得更好的音色C．为了获得更大的响度D．使二胡发出不同的音调4．下列关于声现象的描述及其解释正确的是（）A．“公共场所不要大声喧哗”是要求人们在公共场所说话，音调要放低些B．“闻其声知其人”的依据是不同人的声音，其音色不同C．“不敢高声语，恐惊天上人”中的“高”指声音的频率高D．“余音绕梁，三日不绝”是描述声音的响度大5．在下列做法中，能在传播过程中有效减弱噪声的是（）A．给摩托车安装消声器B．高架桥旁边安装隔音板C．佩戴防噪声耳罩D．禁止汽车鸣笛6．如图所示，下列说法正确的是（）A．人发声频率范围是20﹣20000Hz B．人发声的音调比蝙蝠高C．狗不能听到超声波D．大象发声频率不在蝙蝠听觉频率范围内7．一刻度均匀的温度计放在冰水混合物中时，示数为5℃；测一标准大气压下沸水的温度时，示数为85℃．若用它来测得某液体的温度为49℃时，该液体的实际温度应为（）A．55℃B．61.25℃C．44℃D．64℃8．下图所示，温度计的使用情况中，正确的是（）A．B．C．D．9．把冰水混合物拿到温度在零摄氏度以下的房间里，在冰不断增加的过程中，冰水混合物的温度（）A．保持不变B．降低C．升高D．无法确定10．如图甲所示的是小明同学在“探究水沸腾时温度变化特点”时的实验装置，如图乙所示的是根据实验数据绘制的温度随时间变化的图象，下列说法中正确的是（）A．在组装如图甲所示的装置时应按自上而下的顺序组装B．水的沸点为98℃，实验时的环境大气压小于一个标准大气压C．水沸腾前吸收热量温度升高，沸腾时不吸收热量温度不变D．实验中若只减少加热的水的质量，水将推迟时间沸腾11．把烧红的铁块放到冷水中，会听到“滋”的响声，并看到冒出大量的白气。
江苏省泗洪县第四中学2020-2021学年七年级上学期第一次月考生物试题
江苏省泗洪县第四中学2020-2021学年七年级上学期第一次月考生物试题学校:___________姓名：___________班级：___________考号：___________一、单选题1．下列选项中，都属于生物的一组是A．蘑菇、机器人、空气B．人、病毒、向日葵C．鸟、细菌、飞机D．树木、土壤、草2．“离离原上草，一岁一枯荣”。
这种生命现象说明生物体具有的特征是A．应激性B．能生长和繁殖C．能排出体内的废物 D．能呼吸3．被称为“杂交水稻之父”的科学家是（）A．虎克B．达尔文C．施旺D．袁隆平4．生物学研究的最基本方法是（）A．解剖和分析B．探究和实验C．观察和实验D．取样和实验5．科学探究通常要经历6个基本步骤：①实施计划；②提出问题；③制定计划；④作出假设；⑤表达交流；⑥得出结论．比较科学的排列顺序是（）A．①②③④⑤⑥B．③①②④⑥⑤C．②③④①⑤⑥D．②④③①⑥⑤6．用显微镜观察字母“bd”时,视野里看到的图像形状是( )A．db B．dp C．pq D．bd7．蚯蚓的生活环境是（）A．空中B．干燥的土壤中C．湿润的土壤中D．水中8．下列关于假设的叙述中，不正确的是（）A．假设是对问题的一种可能的解释B．假设是对问题的一种猜测C．假设要以观察和知识．经验为依据D．假设要通过实验来验证其是否正确9．在探究蚯蚓在什么样的物体表面爬的快的实验中，分别准备玻璃板和硬纸板的目的是A．便于观察B．便于记录C．设计一组对照实验D．提供一种光滑条件10．“大树底下好乘凉”，这种现象说明（）A．生物能适应环境B．生物能影响环境C．环境能适应生物D．环境能影响生物11．下列生物与生物之间的关系，属于竞争的是（）A．工蜂与蜂王B．水稻与稗草C．跳蚤与狗D．狐狸与野兔12．湖北神农架地区生长着一种“神农野菊”，它的花能散发出阵阵芳香。
但如果将其移植到其他地方，则会失去香味。
这一现象说明（）A．生物能影响环境B．生物能适应环境C．环境能影响生物D．环境能适应生物13．下列关于生物学实验的叙述中，不正确的是（）A、观察与实验是研究生物学的基本方法B、进行生物学实验时，一定要遵守实验室的各项规则C、测量误差是人为造成的，完全可以避免D、生物标本可以帮助我们认识生物14．竹林中有一种昆虫叫竹节虫，它的身体与竹枝极为相似，这是属于A．生物对环境的适应B．环境对生物的制约C．生物对环境的影响D．环境对生物的适应15．“螳螂捕蝉，黄雀在后”描述的是（）A．捕食B．合作C．竞争D．食物网16．某地举办了一次“汽车拉力赛”，近2000千米的赛程大多在草原腹地进行，汽车赛后操场“伤痕累累”。
江苏省泗洪县新星城南学校18-19学年七年级下学期第五次阶段性测试生物试题原卷版
2017-2018 学年度第五次阶段性测试七年级生物试卷一．选择题1. 鲜榨果汁的营养远高于果汁饮料,鲜榨果汁来自水果细胞的( )A. 细胞质B. 细胞膜C. 细胞核D. 液泡2. 菠菜放入沸水中,水变成绿色,若放入清水中浸泡,水不会变成绿色,这是因为活细胞中的某种结构阻止了物质的外流,这种结构是( )A. 细胞质B. 细胞膜C. 细胞核D. 液泡3. 用显微镜观察人口腔上皮细胞时，不能观察到的结构（）A. 叶绿体B. 细胞质C. 细胞膜D. 细胞核4. 制作临时装片的步骤一般是（）①染色②撕取实验材料③擦拭载盖玻片④在载玻片中央滴清水⑤盖盖玻片⑥将实验材料置于水滴中展开A. ③④②⑥⑤①B. ③②⑥⑤④①C. ①②③④⑤⑥D. ④②①③⑤⑥5. 下图是制作“洋葱鳞片叶表皮细胞的临时装片”实验的部分操作步骤，步骤②和④滴加的液体分别是（）A. 清水、清水B. 清水、碘液C. 碘液、清水D. 碘液、碘液6. 以下是植物的几种组织示意图，能运输水和无机盐的组织是（）学%科%网...学%科%网...A. AB. BC. CD. D7. 下列各植物结构中，属于器官的是（）A. AB. BC. CD. D8. 藕断丝连是常见的现象，这里的“丝”来自植物体的（）A. 输导组织B. 机械组织C. 营养组织D. 保护组织9. 所有细胞都有的能量转换器是（）A. 叶绿体B. 线粒体C. 叶绿体和线粒体D. 叶绿体和液泡10. 细胞分化的结果形成了（）A. 新个体B. 系统C. 组织D. 器官11. 用热水烫番茄，很容易从番茄表面撕下一层“皮”，这层“皮”属于（）A. 营养组织B. 输导组织C. 保护组织D. 分生组织12. 下列关于单细胞生物的相关叙述中，不正确的是（）A. 整个身体由一个细胞构成B. 都能够独立完成生命活动C. 大多数生活在水域环境中D. 都是对人类有害的生物13. 根尖和芽尖之所以具有分裂能力，这是因为它们有（）A. 分生组织B. 营养组织C. 输导组织D. 保护组织14. 对于人体的结构层次，以下描述正确的是（）A. 细胞→器官→组织→系统→人体B. 器官→组织→系统→细胞→人体C. 细胞→组织→器官→系统→人体D. 组织→细胞→器官→系统→人体15. 藕生长在淤泥中，且能做菜食用，它属于（）A. 叶B. 茎C. 根D. 果实16. 组织是在细胞分裂生长和分化的基础上逐渐形成的。
江苏省泗洪县新星城南学校2020年中考数学模拟试卷(7)(无答案)
知识像烛光，能照亮一个人，也能照亮无数的人。--培根
24. 在三张大小，质地均相同的卡片上各写一个数字，分别为 5,8、8,现将三张卡片放人一只不透 明的盒子中，搅匀后从中任意摸出一张，记下数字后放回，搅匀后再任意摸出一张，记下数字 (1)用树状图或列表等方法列出所有可能结果； (2)求两次摸到不同数字的概率
5. 下列长度的 3 根小木棒不能搭成三角形的是: （ ）
A． 2cm, 3cm 4cm
B. 1cm 2cm 3cm
C． 3cm. 4cm, 5cm
D.4cm, 5cm 6cm
6. 2019 年淮安市“周恩来读书节”活动主题是“阅读，遇见更美好的自己”，为了解同学们课外阅读情
况，王老师对某学习小组 10 名同学 5 月份的读书量进行了统计，结果如下 (单位：本)：
14.不等式组 xx＞＞2﹣1的解集是 15.化简 1 (9x − 3) − 2(x +1) 的结果是_________________
3
16. 若圆锥的侧面积是 15π,母线长是 5,则该圆锥底面圆的半径是
；
17. 如图，l1∥l 2 ∥l 3 ,直线 a、b 与 l1、l 2 、l 3 分别相交于点 A、B、C 和点 D、E、F.若 AB=3，DE=2,BC=6,
知识像烛光，能照亮一个人，也能照亮无数的人。--培根
卷面分
2019-2020 学年九年级数学练习
数学中考模拟卷（7）
本试卷共印 6 个班：初三 1-6
2020-2021学年第一学期七年级第一次阶段性评测数学试题
2020-2021学年第一学期七年级第一次阶段性评测数学试题（五四制鲁教版）题号一二三总分得分一、选择题（本大题共12小题，共36.0分）1.下列长度的木棒可以组成三角形的是()A. 1，2，3B. 3，4，5C. 2，3，6D. 2，2，42.如图，三角形ABC中，D为BC上的一点，且S△ABD=S△ADC，则AD为()A. 高B. 角平分线C. 中线D. 不能确定3.若三角形的两边a、b的长分别为3和5，则其第三边c的取值范围是()A. 2<c<5B. 3<c<8C. 2<c<8D. 2≤c≤84.如图，△ABC中，AD⊥BC于点D，BE⊥CA于点E，则AC边上的高是()A. ADB. ABC. DCD. BE5.下列说法中，正确的个数有()①三角形具有稳定性；②如果两个角相等，那么这两个角是对顶角；③三角形的角平分线是射线；④直线外一点到这条直线的垂线段叫做这点到直线的距离；⑤任何一个三角形都有三条高、三条中线、三条角平分线；⑥三角形的三条角平分线交于一点，且这点在三角形内；A. 2B. 3C. 4D. 56.如图所示，在△ABC中，AB=8，AC=6，AD是△ABC的中线，则△ABD与△ADC的周长之差为()A. 14B. 1C. 2D. 77.作∠AOB平分线的作图过程如下：作法：(1)在OA和OB上分别截取OD、OE，使OD=OE．DE的长为半径作弧，两弧交于点C．(2)分别以D，E为圆心，大于12(3)作射线OC，则OC就是∠AOB的平分线．用下面的三角形全等的判定解释作图原理，最为恰当的是()A. SSSB. SASC. ASAD. AAS8.如图所示，三角形纸片被正方形纸板遮住了一部分，小明根据所学知识画出了一个与该三角形完全重合的三角形，那么这两个三角形完全重合的依据是()A. SSSB. SASC. AASD.ASA9.如图所示，在∠AOB的两边上截取AO=BO，OC=OD，连接AD，BC交于点P，连接OP，则下列结论正确的是()①△APC≌△BPD②△ADO≌△BCO③△AOP≌△BOP④△OCP≌△ODP．A. ①②③④B. ①②③C. ②③④D. ①③④10.在△ABC中，AB=AC，∠B=70°，则∠A的度数是()A. 40°B. 55°C. 65°D. 60°11.等腰三角形底边长为5cm，一腰上的中线把其周长分为两部分的差为3cm.则等腰三角形的腰长为()A. 2cmB. 8cmC. 2cm或8cmD. 以上答案都不对12.如果等腰三角形有一个角是30°，则它的顶角度数为()A. 30°B. 150°C. 30°或120°D. 120°二、填空题（本大题共8小题，共24.0分）13.如图，图中以BC为边的三角形的个数为______．14.长为11、8、6、4的四根木条，选其中三根组成三角形，有_____种选法．15.一个三角形的两边长分别为2和6，第三边长为偶数，则这个三角形的周长是______．16.已知：如图，△ABC和△BAD中，∠C=∠D=90°，再添加一个条件______就可以判断△ABC≌△BAD．17.如图，已知AB=DE，∠B=∠E，添加下列条件：①∠A=∠D；②BC=EC；③AC=DC；④∠BCE=∠ACD.可以利用SAS判断△ABC≌△DEC的是：______．18.等腰三角形的周长为13，其中一边长为3，则该等腰三角形的腰长为______．19.如图，已知∠1=∠2、AD=AB，若再增加一个条件不一定能使结论△ADE≌△ABC成立，则这个条件是______．20.如图，已知AB=CD，BF=EC，只需再补充一个条件就能使△ABE≌△DCF，则下列条件中，符合题意的分别有________(只填序号)①AE=DF；②AE//DF；③AB//CD；④∠A=∠D三、解答题（本大题共6小题，共60.0分）21.如图，AB=AC，D为△ABC内部一点，且BD=CD.连接AD并延长，交BC于点E．①请写出图中两组全等的三角形；②任选其一说明全等的理由．22.已知：如图，点A、E、F、C在同一条直线上，AD//CB，∠1=∠2，AE=CF.求证：△ADF≌△CBE．23.已知三角形的两边及其夹角，求作这个三角形．已知：线段m，n，∠β．求作：△ABC，使AB=m，BC=n，∠ABC=∠β(保留作图痕迹，不写作法)．24.如图，A，B两点分别位于一个池塘的两端，小明想用绳子测量A、B间的距离：现在地上取一个可以直接到达A点和B点的点C，连接AC并延长到D，使CD=AC；连接BC并延长到E，使CE=CB；连接DE并测量出它的长度．(1)求证：DE=AB；(2)如果DE的长度是8m，则AB的长度是多少？25.如图，在△ABC中，AE为边BC上的高，点D为边BC上的一点，连接AD．(1)当AD为边BC上的中线时．若AE=4，△ABC的面积为24，求CD的长；(2)当AD为∠BAC的角平分线时．①若∠C=65°，∠B=35°，求∠DAE的度数；②若∠C−∠B=20°，则∠DAE=______°.26.公路上，A，B两站相距25千米，C、D为两所学校，DA⊥AB于点A，CB⊥AB于点B，如图，已知DA=15千米，现在要在公路AB上建一报亭H，使得C、D两所学校到H的距离相等，且∠DHC=90°，问：H应建在距离A站多远处？学校C到公路的距离是多少千米？。
2021-2022学年-有答案-江苏省宿迁市泗洪县七年级(上)期中地理试卷【可修改文字】
可编辑修改精选全文完整版2021-2022学年江苏省宿迁市泗洪县七年级（上）期中地理试卷一、选择题（每题2分，共80分）1. 如图为某学校平面示意图，读图完成（1）～（3）题。
（1）在既没有指向标，也没有经纬网地图上辨别方向通常是（）A.上南下北，左西右东B.上北下南，左东右西C.上北下南，左西右东D.上南下北，左东右西（2）该学校的大门朝向为（）方向。
A.正东B.正南C.正西D.正北（3）小明在图中量得教学楼到食堂的直线距离为3cm，则教学楼到食堂的实际距离是（）A.30米B.300米C.3000米D.30000米2. 教室里贴有4幅大小一样的地图，比例尺最小的是（）A.世界地图B.中国地图C.江苏省地图D.宿迁市地图3. 下列四个图例中，错误的是（）A.长城B.首都C.高速公路D.▲山峰4. 读麦哲伦船队环球航行图完成（1）～（3）题。
（1）图中A所示大洋为（）A.太平洋B.印度洋C.大西洋D.北冰洋（2）图中好望角所在的大洲为（）A.亚洲B.非洲C.南美洲D.欧洲（3）此次航行没有经过的大洋是（）A.太平洋B.大西洋C.印度洋D.北冰洋5. 地理学习，让我们掌握了地球一一人类“家园”的基本情况。
读图完成（1）～（6）题。
（1）如图数据说明了我们“家园”的（）A.海陆分布B.质量C.高低起伏D.大小（2）如图显示“家园”中，最长的纬线是（）A.赤道B.本初子午线C.南回归线D.北极圈（3）下列表述能粗略说明全球海陆面积所占比例是（）A.8：2B.4：6C.7：3D.9：1（4）全球的陆地主要集中在（）A.北半球和西半球B.北半球和东半球C.南半球和西半球D.南半球和东半球（5）关于经纬线和经纬度叙述，不正确的是（）A.纬线指示东西方向B.0°纬线也就是赤道C.经线指示南北方向D.0°经线是东西半球的分界线（6）下列有关东、西半球的图示中，正确的是（）A. B.C. D.6. 读图完成（1）～（2）题。
2020-2021学年江苏省泗洪县新星城南学校七年级上学期第二次阶段检测含解析
2020-2021学年江苏省泗洪县新星城南学校七年级上学期第二次阶段检测（期中）地理试卷选择题1. 教室里贴有四幅图幅相同的地图，按内容由详到略的排列是①世界地图②中国地图③江苏省地图④吴江地图A.①②③④B.①③②④C.③①②④D.④③②①2. 下列说法不正确的是A.荷兰发明风车主要用来抽水B.阿拉伯人传统服饰主要和当地气候有关C.因纽特人是黄种人，主要生活在南极洲D.世界最大的岛屿是格陵兰岛3. 大陆漂移假说是谁提出的A.魏格纳B.哥白尼C.张衡D.麦哲伦4. 我国南极考察队员手擎国旗，站在南级点上，他前、后、左、右的方向是：A.东方B.南方C.西方D.北方5. “太阳大，地球小，地球围着太阳跑；星儿移，月儿转，地球自个儿也在转。
”根据歌谣完成下面小题。
（1）“地球自个儿也在转”的方向是A.自南向北B.自北向南C.自西向东D.自东向西（2）“地球围着太阳跑”产生的现象是A.时差B.昼夜长短变化C.日月星辰的东升西落D.昼夜更替6. 读下图，回答下面小题。
（1）图中数字序号①代表的大洲是（）A.南极洲B.大洋洲C.北美洲D.南美洲（2）目前，地球上唯一无人定居的大洲，图中代表该大洲的数字序号是（）A.①B.②C.③D.④7. 读示意图和等高线地形，回答下面小题。
（1）示意图中的陡崖，位于图中的（）A.①B.②C.③D.④（2）图中④有3条山路，这些山路位于（）A.山谷B.鞍部C.山脊D.山底8. 下列大洲中，人口自然增长率最高的是A.大洋洲B.亚洲C.南美洲D.非洲填空题9. 比例尺越大，表示范围越小，内容越________。
10. 地球是一个________、________的不规则球体。
11. 地球仪上，最大的纬线圈是________，经线又叫________。
12. 填空题。
南北半球的分界线是________，东西半球的分界线是________和________组成的经线圈．13. 板块张裂或碰撞挤压地带，火山、地震活动频繁。
2021-2022学年-有答案-江苏省泗洪县某校七年级上学期第一次月考生物试卷
2021-2022学年江苏省泗洪县某校七年级上学期第一次月考生物试卷选择题1. 下列选项中，都属于生物的一组是A.蘑菇、机器人、空气B.人、病毒、向日葵C.鸟、细菌、飞机D.树木、土壤、草2. “离离原上草，一岁一枯荣”。
这种生命现象说明生物体具有的特征是A.应激性B.能生长和繁殖C.能排出体内的废物D.能呼吸3. 被称为“杂交水稻之父”的科学家是（）A.虎克B.达尔文C.施旺D.袁隆平4. 科学探究通常要经历6个基本步骤：①实施计划；②通过仔细观察提出问题；③制定计划；④作出假设；⑤表达交流；⑥得出结论。
比较科学的排列顺序是（）A.①②③④⑤⑥B.③①②④⑥⑤C.②④③①⑥⑤D.②③④①⑥⑤5. 蚯蚓的生活环境是（）A.空中B.干燥的土壤中C.湿润的土壤中D.水中6. 下列关于假设的叙述中，不正确的是（）A.假设是对问题的一种任意的解释B.假设可以与结果一致，也可以不一致C.假设要以实验观察和知识、经验为依据D.假设要通过实验验证其是否正确7. 在探究蚯蚓在什么样的物体表面爬的快的实验中，分别准备玻璃板和硬纸板的目的是A.便于观察B.便于记录C.设计一组对照实验D.提供一种光滑条件8. “大树底下好乘凉”，这种现象说明（）A.生物能适应环境B.生物能影响环境C.环境能适应生物D.环境能影响生物9. 湖北神农架地区生长着一种“神农野菊”，它的花能散发出阵阵芳香。
但如果将其移植到其他地方，则它失去香味。
这一现象说明（）A.生物能影响环境B.环境能影响生物C.生物能适应环境D.环境能适应生物10. 下列关于生物学实验的叙述中，不正确的是（）A、观察与实验是研究生物学的基本方法B、进行生物学实验时，一定要遵守实验室的各项规则C、测量误差是人为造成的，完全可以避免D、生物标本可以帮助我们认识生物11. 2007年6月呼伦贝尔市政府举办了一次“汽车拉力赛”，近2000公里的赛程大多在草原腹地进行，汽车赛后草场“伤痕累累”。
江苏省泗洪县新星城南学校2020-2021学年七年级下学期第七次阶段性测试生物试题
江苏省泗洪县新星城南学校2020-2021学年七年级下学期第七次阶段性测试生物试题学校:___________姓名：___________班级：___________考号：___________一、单选题1．秋天，林区的树干上悬挂一些人工巢箱，是为了（）A．招引食虫鸟类在巢箱中繁殖B．保护鸟类免受敌害C．保护一些不会营巢的鸟类，防止被冻死D．捕捉鸟类观察2．家兔的牙齿适于咀嚼，消化道有发达的盲肠，说明它们的食物类型是（）A．植物B．肉类C．鱼类D．杂食3．家鸽和蝗虫都是我们熟悉的动物，它们主要的呼吸器官分别是A．肺和鳃B．肺和气管C．气囊和气管D．气囊和气门4．为适应陆地相对干燥的环境，昆虫体表具有防止体内水分散失的结构是（）A．外骨骼B．翅C．气管D．足5．蚯蚓是常见的环节动物，下列有关蚯蚓的叙述错误的是（）A．排出的粪便会污染土壤B．通过肌肉和刚毛的配合使身体蠕动C．富含蛋白质，可做鱼类的饵料D．疏松土壤，促进植物生长6．下课后，同学们针对蘑菇展开了争论，下列说法错误的是A．蘑菇是一类大型的真菌B．蘑菇均可以食用C．蘑菇的营养方式为异养D．蘑菇能产生孢子进行繁殖7．昆虫在动物界中种类最多，下列动物中，属于昆虫的是（）①蜘蛛②蚊子③虾④蝴蝶⑤蜻蜓⑥蜈蚣A．①②④B．①③④C．②④⑤D．②⑤⑥8．下列哪一组是鸟类所特有的特征？（）①体表有羽毛②用肺呼吸并用气囊辅助呼吸③体温恒定④体内受精⑤有发达的神经系统⑥前肢变成翼A．②⑤⑥B．①②⑥C．①③⑥D．①②③9．下列有关家鸽的描述中，错误的是（）A．家鸽体温恒定，增强了对环境的适应能力B．家鸽翼部肌肉发达，有利于驱动双翼上下扇动C．家鸽属于卵生动物，卵壳比较坚硬，有利于种族的繁衍D．家鸽的尾起着舵和平衡的作用，有利于飞行10．军舰鸟善于飞行，有“飞行冠军“之称，白腹军舰鸟可以在狂风中旋转而下，安然降落，不受任何伤害，由此推测其身体最发达的肌肉应该是（）A．翼和腿上的肌肉B．胸肌C．后肢肌肉D．两翼肌肉11．与鱼类、两栖类、爬行类相比，鸟类独有的特征是（）A．用肺呼吸B．体内受精C．陆地产卵D．体温恒定12．下列叙述错误的是（）A．鸟类胸肌发达，有利于飞行B．蝙蝠的体腔中有膈C．鲫鱼属于脊椎动物，变温动物D．蝗虫、虾、蜘蛛、乌龟的体表都有外骨骼13．动物界中分布最广、数量最大、种类最多的类群是（）A．鸟类B．节肢动物C．鱼类D．软体动物14．蝗虫气体进出的通道是（）A．气门B．肺C．气管D．鳃15．“身体分为头胸腹，两对翅膀三对足，头上有两根感觉须，里头是肉外是骨”描写的动物是下列那种生物的特征（）A．虾B．蜘蛛C．蜈蚣D．蝗虫16．下面是四种生物的形态结构示意图，下列叙述正确的是（）A．甲、乙、丙、丁都属于原核生物B．乙类生物细胞中不具有 DNA C．乙、丙、丁生物都通过孢子繁殖D．甲生物必需生活在其它活细胞中17．能正常生活的蚯蚓，其体表状况应为（）A．湿润、光滑B．干燥、光滑C．湿润、粗糙D．干燥、粗糙18．蚯蚓属于（）A．节肢动物B．环节动物C．线形动物D．两栖动物19．蚯蚓的运动器官是（）A．体节B．刚毛C．体壁肌肉D．以上都不对20．生物可以分为植物、动物、微生物等类群，根据这种分法，以下属于同一类的生物是（）A．草履虫、水绵、金针菇B．玉米、番茄、花生C．烟草、变形虫、葡萄球菌D．酵母菌、青霉素、大豆21．下列生物中，是原核生物的是（）A．细菌B．真菌C．动物D．植物22．做实验时，区别蚯蚓前后端的依据是（）A．体节B．环节C．环带D．体带23．下列连线能正确表达生物与其气体交换的结构或器官的是①蚯蚓—体壁②蛇—肺③鲫鱼—鳃④家鸽—肺和气囊A．①②③B．②③④C．①③④D．①②③④24．细菌、真菌和病毒都属于微生物。
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2020-2021学年度第一次阶段性测试模拟考试七年级英语（时间：100分钟满分：120分）一、听力部分（共20小题，每小题1分，计20分）第一部分听对话回答问题。
（10分）本部分共有10道小题，每小题你将听到一段对话，每段对话听两遍。
1. What is Jim’s uncle?A. B. C.2. What does Millie have?A. B. C.3. What does Lily like doing?A. B. C.4. What would the man like?A. B. C.5. Whose sweater is this?A. Mary’sB. Millie’sC. Kitty’s6. How is Jill’s mother?A. 38B. 39.C. 337. What time does Tom go to school?A. 7:00B. 7:15C. 7:308. Who has a toy car?A. Jim.B. Tom.C. Andy.9. What’s wrong with Peter?A. He is happy.B. He is strong.C. He is late for school.10. What time is it now?A. 7:30.B. 8:00C. 8:30第二部分听对话和短文回答问题。
（10分）听对话，回答第11-12小题。
11. Who is the man in the photo?A. Dale’s fatherB. Dale’s uncleC. Dale’s brother12. How many people are there in Alice’s family?A. ThreeB. FourC. Five听第一篇短文，回答第13-15小题。
请根据短文内容，选择正确的答案，完成信息记录表。
13. A. Swimming B. Football C. The piano14. A. At the weekend B. In the morning C. After school15. A. One B. Two C. Three听第二篇短文，回答第16-20小题。
16. What does Simon do after breakfast at the weekend?A. He plays basketball.B. He wants the flowers.C. He does morning exercises.17. How long does Simon run with his dog?A. For an hour.B. For two hours.C. For three hours.18. What does Simon do in the afternoon at the weekend?A. He chats with his friends.B. He goes shopping.C. He reads comic books.19. What time does Simon go to bed at the weekend?A. At 10 p.m.B. At 9 p.m.C. At 8 p.m.20. What doesn’t Simon do in the evening?A. He plays computer games.B. He reads comic books.C. He watches films.二、单项选择（共15小题，每小题1分，计15分）21. ---Mary, it's time to go to bed. - --OK, Mum. !A. HelloB. Good eveningC. Good afternoonD. Good night22. ---Kitty, you speak English very well. ---A .Certainly. B. Thank you. C. You're right. D No, I'm not.23.---Tom, late for school again. ---Sorry, I won’t.A. doesn't beB. don’tC. isn’tD. don't be24. --- good at Maths? ---Daniel.A. What isB. Who isC. What areD. Who are25. Let’s our new friends.A.meetingB.meetC.to meetD.meet to26.Excuse me, do you say at the meeting?A. howB. whatC. who D .when27.---Mike, your brother and sister good at Maths? ---No.A. doB. isC. areD. does28. My birthday is October 16th.A. inB. atC. ofD. on29.---Hello. I'm Simon. --- .A. This is AmyB. Hello, I’m AmyC. Nice to meet you tooD. Fine, thank you30. Her father and mother drinking black tea.A. are both likeB. are all likeC. both likeD.all like31--- you free this afternoon? ---Sorry. I have any free time.A. Are; am notB. Do; don’tC. Are;don’tD. Do;am not32.--- Tom work well at school. We must help him.A. doesn'tB. don'tC. isn’tD.aren’t33.Simon and his parents are from the UK. All of like China.A. usB. youC. theyD. them34.---Excuse me, are you and Millie in Class 3, Grade 7?---A. Yes,I 'mB. No, I'm notC. Yes, we’reD. No, we aren’t35.There’s “h”, an “o”, “u” and an “r” in word “hour”.A. a , an , theB. an , an, a ,C. a , an ,a ,D. an , a , the三、完形填空（共10小题，每小题1分，计10分）We all 36 food. But when you can’t finish your meal, how do you 37 ? You might think that 38 a little bit of food isn't a big deal.But 39 a whole school started to save food in their cafeteria(食堂), there was a big change. At Hengyang No. I Middle School in Hunan province, students are told to take 40 food than they need. “There used to be 100 kg of food waste( 浪费)every day. But now, the amount of waste is down by 75 percent, "said the cafeteria's manager.41 China，people waste 35 million(百万])tons of food each year. That is enough to feed the entire country of South Korea(韩国) for a year.Food waste is a big problem 42 the world. According to the United Nations(UN，联合国)，there 43 820 million people living in hunger (饥饿) today. But every year, the world 44 1.3 billion(十亿)tons(吨)of food. That’s one-third of all the 45 we have. (选自二十一世纪学生英文报)36. A. loves B. love C. are love D. loved37.A. say B. listen C. feel D. see38.A. wasting B. to waste C. wasted D. waste39.A.for B. because C. when D. so40. A. more B. no more C. some more D. any more41.A.At B. On C. In D. To42.A. over B. On C. for D. around43.A.is B. be C. are D. aren't44.A. waste B. wasted C. wastes D. is waste45. A. money B. food C. people D. drinks四、阅读理解（共20小题，46-60每小题2分，61-65每小题1分，计35分）AThis term we have a new teacher of English. His name is Mr Peterson. He is an Australian. He is notvery tall and he is thin. He has a round face and small blue eyes. He wears glasses and they make him look smart, He has dark brown hairMr. Peterson works very hard. In class, he has many good ideas to make the class very interesting. We all like his class. After class, he always encourages us to speak more English. Sometimes he plays games with us. He is very strong and he can play basketball and football very well. He is good t sports. Sometimes he plays table tennis with us, but he doesn't play it very well.Mr. Peterson loves living in China very much, He enjoys lots of things in China. He really loves eating Chinese food. He loves traveling in China too. He is going to visit Xi'an next month .46. What does Mr. Peterson do?A. A doctorB. A teacherC. A farmerD. A worker47. We cannot use to describe(描述) Mr. Peterson.A. tallB. thinC. smartD. hard-working48. How many ball games is Mr. Peterson good at?A.4B.3C.2D.149. The underlined(划线) word＂encourage＂mean__ in Chinese.A.阻止B.嘲笑C.逼迫D.鼓励50. Which of the following is NOT true(正确)?A. Mr. Peterson is a good English teacherB. Mr. Peterson enjoys playing computer games.C. Mr. Peterson is a very good football player.D. Mr. Peterson enjoys his life in China.BDear Alice,Thank you for telling me about your best friend .In this letter I will tell you about mine. Her name is Trudy. Trudy has long dark brown hair and blue eyes. She is the same age as me,but a little taller. We are classmates. We always go home together after school and play computer games for an hour. Trudy is learning to play the piano. I am learning to play the flute((笛子). We practice(练习) together every day. Sometimes Trudy stays in my house for a night，or I stay in her house. We always have a good time. Do you ever stay in yo ur best friend’s house for a nigh t?Write soonYours.Lily51. Who is Lily's best friend?A. Trudy .B. Alice.C. Daisy.D. Mary.52. What is Trudy's hair like?A. Long and green.B. Long and dark brown.C. Short and dark.D. Short and brown.53. When do Trudy and Lily play computer games?A. Before school.B. At the weekend.C. At night.D. After school.54. What do Trudy and Lily practise every day?A. Writing letters.B. Using the computer.C. Playing the piano and the flute.D. Staying in the house.55.Who writes the letter?A. Alice.B. Trudy.C. Jenny.D. Lily.CNick is my classmate. He doesn’t study well and he is shy. He doesn’t have many friends. Today is Tuesday. I am studying in the classroom."Hi, Tom, my birthday party is on this Sunday. I'd like to ask you to my party. I think it must be cool, " Nick says.I really want to be at the party, but I don' t want my friends to laugh at me ." No, "I answer coldly, "If you study well, I will go.”“Oh….oh... OK. Cool. "Nick says, With his head down, Nick goes away.In the afternoon. I know most of my classmates will go to the party. They say they want to beNick's friends .My face turns red. I want to say sorry to Nick tomorrow.56. When is Nick's birthday party?A. Tuesday .B. Saturday. C .Sunday. D. Wednesday.57. The underlined words"laugh at"most probably mean in ChineseA.嘲笑B.佩服C.鼓励D.威肋58. What can we learn from the passage?A. Nick studies well.B. Tom feels sorry for his wordsC. No one wants to go to the party.D. Nick doesn’t want Tom to go to the party.DThe next morning Dark Eyes wakes up very early. He is thinking of Fireball and he is also thinking of Chief Wise Owl. Then he remembers Blue Feather on the other side of the river. But where is she? Dark Eyes looks over to the big tree. He can see the blanket on the ground, but Blue Feather is not there.All day Dark Eyes waits for Blue Feather. But the girl does not come back. Dark Eyes is very sad. “Thanks for your help!” Chief Strong Buffalo says to his daughter. He is very happy and laughs out loud. “Ha! Before the sun sets tonight, I will have half of Wise Owl’s horses.”“I must go now. I must go and meet Wise Owl. Dark Eyes will not tell him the truth. He will lie to Wise Owl. It’s time to go and get my horses.”Strong Buffalo gets onto his horse. He rides across the prairie. He is riding very fast. And he is laughing. （）59.Why is Chief Strong Buffalo very happy?A. He sees his daughter.B. He can go and meet Wise Owl.C. His daughter helps him.D. He thinks he will have half of Wise Owl’s horses.（）60.Dark Eyes is now.A .happy B.sad C. thankful D. angryE根据内容，从方框内的选项中选出能填入空白处的最佳选项，其中有两个为多余选项A: Excuse me, are you Sam?B: Yes. I am. 61A: My name is BobB:62A: Nice to meet you, too. 63B: No, I'm not. 64 Where are you from?A: I’m from Shanghai. 65B: Thank you.A. How do you do?B. I’m in Class 4.C. Welcome to Shanghai.D. Are you from England?E What's your name?F. I’m from the USA.G. Nice to meet you.五、根据句意计所给中文、首字母、英文解释与所给单词的形式，写出句中所缺单词。