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
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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。