2019年广西玉林市中考数学试卷 一、选择题：本大题共12小题，每小题3分，共36分． 1．（3分）9的倒数是（） A．B．﹣C．9D．﹣9 2．（3分）下列各数中，是有理数的是（） A．πB．1.2C．D． 3．（3分）如图，圆柱底面圆半径为2，高为2，则圆柱的左视图是（） A．平行四边形B．正方形C．矩形D．圆 4．（3分）南宁到玉林城际铁路投资约278亿元，将数据278亿用科学记数法表示是（）A．278×108B．27.8×109C．2.78×1010D．2.78×108 5．（3分）若α＝29°45′，则α的余角等于（） A．60°55′B．60°15′C．150°55′D．150°15′6．（3分）下列运算正确的是（） A．3a+2a＝5a2 B．3a2﹣2a＝a C．（﹣a）3?（﹣a2）＝﹣a5 D．（2a3b2﹣4ab4）÷（﹣2ab2）＝2b2﹣a2 7．（3分）菱形不具备的性质是（） A．是轴对称图形B．是中心对称图形 C．对角线互相垂直D．对角线一定相等 8．（3分）若一元二次方程x2﹣x﹣2＝0的两根为x1，x2，则（1+x1）+x2（1﹣x1）的值是（）A．4B．2C．1D．﹣2 9．（3分）如图，AB∥EF∥DC，AD∥BC，EF与AC交于点G，则是相似三角形共有（）
A．3对B．5对C．6对D．8对 10．（3分）定义新运算：p⊕q＝，例如：3⊕5＝，3⊕（﹣5）＝，则y ＝2⊕x（x≠0）的图象是（） A．B． C．D． 11．（3分）如图，在Rt△ABC中，∠C＝90°，AC＝4，BC＝3，点O是AB的三等分点，半圆O与AC相切，M，N分别是BC与半圆弧上的动点，则MN的最小值和最大值之和是（） A．5B．6C．7D．8 12．（3分）已知抛物线C：y＝（x﹣1）2﹣1，顶点为D，将C沿水平方向向右（或向左）平移m个单位，得到抛物线C1，顶点为D1，C与C1相交于点Q，若∠DQD1＝60°，则m等于（） A．±4B．±2C．﹣2或2D．﹣4或4 二、填空题（共6小题，每小题3分，满分18分） 13．（3分）计算：（﹣6）﹣（+4）＝．
2017年谷城县中考适应性考试 英语试题 （本试卷共8页，满分120分，考试时间120分钟） 注意事项： 1．答卷前，考生务必将自己的姓名、考试号填写在试题卷和答题卡上，并将考试号条形码粘贴在答题卡上指定位置。 2．选择题每小题选出答案后，用2B铅笔将答题卡上对应题目的答案标号涂黑，如需改动，用橡皮擦干净后，再选涂其它答案标号，答在试题卷上无效。 3．非选择题（主观题）用0.5毫米的黑色墨水签字笔直接答在答题卡上每题对应的答题区域内，答在试题卷上无效。 4．考试结束后，请将本试题卷和答题卡一并上交。 选择题（共70分） 一、听力测试（本大题满分25分，每小题1分） 做题时，先将答案划在试卷上。录音内容结束后再将试卷上的答案转涂到答题卡上。第一节 下面你将听到8段短对话。每段对话后有一个小题，从每小题A、B、C三个选项中选出一个最佳答案。听完每段对话后，你有10秒钟的时间来回答有关小题和阅读下一小题。每段对话只读一遍。CACCABBA 1. Which city is the girl’s fa vourite? A. London. B. Paris. C. New York. 2. What’s the weather like now? A. Rainy. B. Cloudy. C. Sunny. 3. What’s the date the day after tomorrow? A. June 1st. B. June 2nd. C. June 3rd. 4. How often does Lisa surf the internet now? A. Every day. B. Twice a week. C. Once a week. 5. Who wrote the interesting e-mail? A. Kate. B. Mike. C. Judy. 6. Where might the speakers be? A. In a bank. B. On a road. C. At a crossing. 7. What does the man mean? A. He’d like to go to the beach by car. 英语试题第1页（共8页）
2019年中考英语专题练习试卷 (名师精选全国真题+答案，值得下载练习) 一、阅读理解。 A （2019中考教育类选练） A jaywalker is a person who usually walks across the road without paying attention to the traffic. “I don’t like to be a taxi driver,not only because of its hard work,but also for the reason of too many jaywalkers on the road,and that may cause dangerous accidents.”Drivers always compla （抱怨）like that.These day,a new way is used to solve the problem in Shijiazhuang,and the jaywalkers are now facing another danger of having their pictures shown on screen. A new system（系统）using two cameras and a 30 cm-by -20 cm screen is put next to some crossings in the city.People who cross the road on a red light will be caught by the camera,and their pictures will be shown on the screen.At the same time,the system will make a warning sound for people not to continue. A primary school students was caught by the camera.He stopped back onto the pavement（人 行道）after hearing the sound.”I was in a rush to get to school and saw myself smiling shyly on the screen,”he said. The system has been in use for about two weeks.Many people think it’s a good way to stop jaywalking.But there are also different voices.Some think that walkers are now given less time than drivers to cross the road,and time should be adjusted（调整）. Anyway,it is a good way to solve the problem on the road.And maybe it will spread to more cities soon. ( )1.Jaywalkers often______. A.drive a car carefully B.solve the traffic problems C.follow the traffic rules D.run the red light
2012年天津市初中毕业生学业考试英语试卷 第Ⅰ卷（本卷共四大题，共75分）满分120分，考试时间100分钟。 一、听力理解（本大题共30小题，每小题1分，共30分）略。 二、单项填空（本大题共15小题，每小题1分，共15分）。 从下列第小题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项。 31. —What do you think of ________ film about Zhan Tianyou? —It’s ________ good film. A. the; the B. a; the C. the; a D. a; a 32. —Why didn’t Sal ly play the violin at the concert last night? —She said that her hand hurt, but that was only a(n) ________. I saw her play tennis just now. A. matter B. excuse C. result D. expression 33. All the students are talking an d laughing in the classroom and it’s ________. A. noisy B. lonely C. quiet D. strict 34. —Would you please show me the way ________ the bank? —Yes, go straight ahead. It’s opposite a school. A. in B. for C. with D. to 35. We have never visited the museum, but we have ________ it. A. stood for B. belonged to C. heard about D. kept to 36. Who listens ________, Tom, Jack or Bill? A. the most carefully B. more carefully C. the most careful D. more careful 37. A snake bit him ________ he went to see a doctor at once. A. if B. where C. because D. so 38. I have been to Shanghai. I ________ there last month. A. go B. went C. have gone D. will go 39. They were all very tired, but ________ of them took a rest. A. none B. all C. both D. either 40. The cloth ________ very soft and comfortable. A. smells B. tastes C. feels D. sounds 41. —Why don’t you go out to play, Rose?—I’m afraid I can’t. I have much homework ________. A. do B. does C. doing D. to do 42. The 30th Olympic Games ________ in London soon. A. held B. will be held C. were held D. have been held 43. —Can you tell me ________? —With Lucy’s help. A. when you did it so well B. when did you do it so well C. how you did it so well D. how did you do it so well 44. Please pass me the cartoon book ________ has a Mickey Mouse on the cover. A. whom B. whose C. who D. which 45. —I will have a match tomorrow. I hope I will win. —________. A. Good luck B. No idea C. That’s such a pity D. It’s all right 三、完形填空（本大题共10小题，每小题1分，共10分）。 阅读下面短文，掌握其大意，然后从各题所给的A、B、C、D四个选项中选出最佳选项。 People all over the world celebrate the New Year. However, not all countries celebrate in the same way, and in some countries, the New Y ear doesn’t begi n on the 46 date very year. In many countries, the New Year begins on 1st January, but people start celebrating on 31st December, New Year’s Eve. In New York many people go to celebrate in Times Square. 47 they’re waiting for the New Year, they lis ten to music, sing traditional songs and have fun. Just before 12 o’clock, everyone 48 down from 10: 10, 9, 8… As soon as it’s 12 o’clock, everyone shouts very 49 , “Happy New Year!” New Year’s Day is often a family day. Some families get together f or a special meal. When the weather is fine, many families go out for a 50 .
2020年广西玉林市中考数学试卷及答案 一、选择题：本大题共12小题，每小题3分，共36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，把正确答案的标号填（涂）在答题卡内相应的位置上． 1．（3分）（2020?泸州）2的倒数是（ ） A ．1 2 B ．?1 2 C ．2 D ．﹣2 2．（3分）（2020?玉林）sin45°的值是（ ） A ．1 2 B ． √2 2 C ． √32 D ．1 3．（3分）（2020?玉林）2019新型冠状病毒的直径是0.00012mm ，将0.00012用科学记数法表示是（ ） A ．120×10﹣ 6 B ．12×10﹣3 C ．1.2×10﹣4 D ．1.2×10﹣ 5 4．（3分）（2020?玉林）如图是由4个完全相同的正方体搭成的几何体，则（ ） A ．三视图都相同 B ．俯视图与左视图相同 C ．主视图与俯视图相同 D ．主视图与左视图相同 5．（3分）（2020?玉林）下列计算正确的是（ ） A ．8a ﹣a ＝7 B ．a 2+a 2＝2a 4 C ．2a ?3a ＝6a 2 D ．a 6÷a 2＝a 3 6．（3分）（2020?玉林）下列命题中，其逆命题是真命题的是（ ） A ．对顶角相等 B ．两直线平行，同位角相等 C ．全等三角形的对应角相等 D ．正方形的四个角都相等 7．（3分）（2020?玉林）在对一组样本数据进行分析时，小华列出了方差的计算公式：s 2= (2?x)2 +(3?x)2 +(3?x)2 +(4?x) 2 n ，由公式提供的信息，则下列说法错误的是（ ） A ．样本的容量是4 B ．样本的中位数是3 C ．样本的众数是3 D ．样本的平均数是3.5 8．（3分）（2020?玉林）已知：点D ，E 分别是△ABC 的边AB ，AC 的中点，如图所示．
二○一六年初中毕业暨升学考试 第I卷（选择题共55分） 一、英语知识运用（共两节，满分25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。 1. My host family is taking me to ________ English film festival next weekend. A. an B. a C. the D. 不填 2. —What do you call your father’s sisters? —_______. A. Uncles B. Cousins C. Aunts D. Parents 3. A 100-year-old man ran a marathon in Toronto on Sunday. He became the ________ person to complete the long-distance running in the world. A. youngest B. best C. biggest D. oldest 4. —What does your new English teacher look like? —She is a pretty lady ________ long hair. A. at B. for C. with D. of 5. —Do you need a new dictionary, Susan? —No, Mum. My uncle bought me ________ yesterday. A. one B. it C. the one D. another 6. My friend Frank sings well, and he is _______ good at playing guitar. A. not B. also C. yet D. too 7. As one of the school rules, middle school students are not ________ to smoke. A. ordered B. refused C. allowed D. forbidden 8. —Have you ever seen the movie 2012? —Yes, but I don’t believe ________ the year 2012 will see the end of the world. A. that B. what C. how D. if 9. Some of the students are nearsighted _______ they spend too much time watching TV or playing online games. A. when B. though C. because D. unless 10. —Excuse me, can you tell me the way to the People’s Park? —Walk along this road and turn right, and the park is on your right. You _______miss it. A. needn’t B. mustn’t C. may not D. won’t 11. Our foreign teacher Mr Green ________ us English since three years ago. A. has taught B. is teaching C. taught D. teaches 12. —Steve, ________do you play basketball after school? —Twice a week. It can keep me healthy.
2019年中考英语模拟试题及答案 一、选择填空。（共15小题，计15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。 1. —Have you seen wolf warriors II (《战狼II》)? —Yes. This is _______ educational film and it has become one of _______ most popular films in the world. A. a; / B. a; the C. an; the D. /; the 2. —Hi, Cathy! I saw Miss Zhang in the meeting room just now. ―No, it ______ be her. She went to Nanjing two days ago. A. must B. may C. can’ｔ D. needn’ｔ 3. —Did you watch 2018 CCTV Spring Festival Evening Gala in Taian? —Certainly. That night the sky over Taian was as _______ as that in the day with th e light. A. bright B. brightly C. brighter D. more brightly 4. —What about going to the cinema on foot with me, Wei Ming? —I prefer _______ a bike to _______ there. A. ride; walk B. riding; walk C. ride; walking D. riding; walking 5. China’s first home-built aircraft carrier(航空母舰) hit the water in Dalian _______ the morning of April 26, 2017. A. in B. on C. at D. to 6. When we see any waste lying on the ground, we should _______. A. pick it out B. point at it C. pick it up D. kick it out said that the TV program Readers was quite popular. 7. —It’s —Yes. _______ my parents _______ my little sister likes watching it very much. A. Neither; nor B. Both; and C. Either; or D. Not only; but also 8. —Do you know China’s famous scientist Pan Jianwei? —You mean “the father of quantum”（ 量子之父)? Yes, he is the _______ of our coun try. A. pride B. prize C. proud D. heart 9. —We’ll study in different schools next term. I hope you’ll enjoy your time in the new school! —_______ ． B. The same to you． A. I’ll take your advice C. Congratulations! D. Me, too.
秘密★启用前 20l2年广州市初中毕业生学业考试 英语 本试卷共五大题，12页，满分135分。考试时间120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字笔填写自己的考生号、姓名、试室号、座位号，再用2B铅笔把对应这两个号码的标号涂黑。 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，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，改动的答案也不能超出指定的区域；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，将本试卷和答题卡一并交回。 一、听力(共两节，满分35分) 第一节听力理解(共15小题；每小题2分，．满分30分) 每段播放两遍。各段后有几个小题，各段播放前每小题有5秒钟的阅题时间。请根据各段播放内容及其相关小题，在5秒钟内从题中所给的A、B、C项中，选出最佳选项，并在答题卡上将该项涂黑。’ 听下面一段对话，回答第l~3三个小题。 1．What does the man give the woman? A．A birthday card．B．A birthday present．C．A birthday invitation． 2．When will the woman go shopping? A．On Friday．B．On Saturday：C．On Sunday． 3．Why does Anne think she is gomg tO the man’s home? A．To discuss his study problems． B．T0heIpbinlwithhis computer． C．TO attendhis binhday party． 听下面一段对话，回答第4～6三个小题。 4Where does the talk take place? A．At the ticket Office．B．In the football stadium．C．In the street． 5．Why does the woman want to buy a ticket? A．Tlo go to see thematch． B．T0 give her son a reward． C．To seiI it and earn money． 6．What does the woman finally decide to do? A．Togototheticketoffice． B．T0buytheticketfromtheman． C．T0 returnhomewithoutaticket． 听下面一段独自，回答第7～9三个小题。 7．How did the speaker feel when she heard the noise? A．Angry．B．Shocked。C．Sick． 8．Why couldn’t the speaker open the driver’s car door?
绍兴市2017年中考英语试题及答案 试卷Ⅰ（选择题共70分） （一）听力部分（共25分） 一、听力（本题有15小题，第一节每小题1分；第二、三节每小题2分，共计25分）第一节：听小对话，回答问题。 1. What would Susan like to drink? A. Tea. B. Cold water. C. Coffee. 2. Who is sleeping at home? A. Tom’s brother. B. Tom’s father. C. Tom’s mother. 3. What does the woman mean? A. She’ll eat out with the man. B. She’ll play tennis with the man. C. She’ll go swimming with the man. 4. How is the weather tomorrow? A. Cloudy. B. Rainy. C. Sunny. 5. Where does the conversation probably take place? A. In a bookstore. B. In a post office. C. In a restaurant. 第二节：听较长对话，回答问题。 第下面一段对话，回答第6—7小题。 6. Why does Lucy look unhappy? A. Because her cat is sick. B. Because her cat is old. C. Because her cat is lost. 7. Where are Lucy and Alex probably going? A. To the hospital. B. To the zoo. C. To the school. 听下面一段对话，回答第8—10小题。 8. How did Matt and Nancy go to New York for a holiday? A. By cay. B. By plane. C. By ship. 9. Where did Matt and Nancy stay while travelling in New York? A. In a hotel. B. At their friend’s house. C. In a university. 10. What did Matt and Nancy do every day in Central Park? A. They took a walk. B. They rode a bike. C. They watched birds. 第三节：听独白，回答问题。 11. Which class does Tara like best? A. Art history. B. Business English. C. Computer science. 12. What does Tara first do after breakfast? A. Meet her friends. B. Review her lessons. C. Check her e-mail. 13. Where does Alice come from? A. Sydney. B. Moscow. C. Toronto. 14. When does Tara get home from work every day? A. At 4:30 p.m. B. At 11:00 p.m. C. At 11:30 p.m. 15. How is Tara’s life? A. Easy. B. Busy. C. Dull. （二）笔试部分（共45分） 二、完形填空（本题有15小题，每小题1分，共计15分）
2012年上海市初中毕业统一学业考试 英语试卷 Part 1 Listening (第一部分听力) I.Listening comprehension (听力理解) (共30分) A.Listen and choose the right picture (根据你听到的内容，选出相应的图片) (6分) 1. _______ 2. _______ 3. _______ 4. _______ 5. _______ 6. _______ B.Listen to the dialogue and choose the best answer to the question you hear (根据你听到的 对话和问题，选出最恰当的答案) (10分) 7.A) In March. B) In April. C) In May. D) In June. 8.A) Once a week. B) Twice a week. C) Once a month. D) Twice a month. 9.A) By bus. B) By underground. C) On foot. D) By taxi. 10.A) The brown one. B) The blue one. C) The red one. D) The green one. 11.A) To watch TV. B) To play football. C) To see a film. D) To hold a match. 12.A) In a car park. B) In a post office. C) In a coffee bar. D) In a school hall. 13.A) A librarian. B) A shop assistant. C) A secretary. D) A tour guide. 14.A) A film. B) A novel. C) A game. D) A person. 15.A) Jane should change a bus. B) Jane stayed up too late last night. C) Jane always gets up early. D) Jane used the same excuse again. 16.A) Because painting is fun to her. B) Because she is good at painting. C) Because her parents are artists. D) Because she wants to be an artist.
2019年玉林市初中数学学业水平考试 本卷共三大题，26小题，满分120分，考试时间120分钟 {题型:1-选择题}一．选择题：本大题共12小题，每小题3分，共36分． {题目}1．（2019年广西玉林） 9的倒数是（ ） A ．91 B ．9 1 － C ．9 D ．－9 {答案}A {解析}本题考查了倒数的定义，乘积为1的两个数互为倒数，由于9 1 ×9＝1，因此本题选A ． {分值}3 {章节:[1-1-4-2]有理数的除法} {考点:倒数} {类别:常考题} {难度:1-最简单} {题目}2．（2019年广西玉林）下列各数中，是有理数的是（ ） A ．π B ．1.2 C ．2 D ．33 {答案}B {解析}本题考查了有理数的概念，整数和分数统称为有理数，π，2，33都是无理数． {分值}3 {章节:[1-6-3]实数} {考点:无理数} {类别:易错题} {难度:1-最简单}
{题目}3．（2019年广西玉林）如图，圆柱底面圆半径为2，高为2，则圆柱的左视图是（）A．平行四边形B．正方形C．矩形D．圆 {答案}C {解析}本题考查了左视图的概念，从物体左边看到的物体的形状叫做左视图． {分值}3 {章节:[1-29-2]三视图} {考点:几何体的三视图} {类别:常考题} {难度:2-简单} {题目}4．（2019年广西玉林）南宁到玉林城际铁路投资约278亿元，将数据278亿用科学计数法表示是（） A．278×108B．27.8×109C．2.78×1010D．2.78×108 {答案}C {解析}本题考查了科学记数法，科学记数法的表示形式为a×10n的形式，其中1≤|a|＜10，n为整数．确定n的值时，要看把原数变成a时，小数点移动了多少位，n的绝对值与小数点移动的位数相同．当原数绝对值≥1时，n是非负数；当原数的绝对值＜1时，n是负数．因此先将“278亿”改写成27800 000 000，再根据科学记数法的要求表示为．2.78×1010 {分值}3 {章节:[1-1-5-2]科学计数法} {考点:将一个绝对值较大的数科学计数法} {类别:常考题}
洛阳市2019年中考英语试题及答案 注意事项： 1.本试卷共10页，七个大题，满分120分，考试时间100分钟。 2.本试卷上不要答题，请按答题卡上注意事项的要求直接把答案填写在答题卡上。答在试卷上的答案 无效。 一、听力理解（20小题，每小题1分，共20分） 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答案。每段对话读两遍。 1.What food does the boy like? A.Indian food. B. Chinese food . C. French food. 2.Who plays football well? A.Roger. B. Jonny. C. Lucy. 3.Where are the speakers now? A.In the bedroom. B. In the library. C. In the classroom. 4.When will the speakers meet A.At 5 pm. B. At 6 pm. C. At 8 pm. 5.What’s the weather like today? A. Windy. B. Rainy. C. Sunny. 第二节听下面几段对话或独白。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答案。每段对话或独白读两遍。 听下面-?段对话，回答第6至第7两个小题。 6.When will the speakers go running? A. This afternoon. B. Tomorrow morning. C. Tomorrow afternoon. 7.What will the man do next? A. Play basketball. B. Visit friends. C. Go shopping 听下面一段对话，回答第8至第9两个小题。 8.What did the man buy for his father? A.Ties. B. Shirts. C. Coats. 9.How much did the man pay? A. $25. B. $40. C. $65. 听下面一段独白，回答第10至第12三个小题。 10.Why are they arriving late? A.Because of an accident. B.Because of the bad weather. C.Because of the heavy traffic. 11.How are they getting to the hotel?
四川省成都市2012年中考英语试题 A卷(共100分) A卷I(选择题，共85分) 第一部分听力部分 (共25小题，计25分) 一、听句子，根据所听到的内容选择正确答案。每小题念两遍。 (共6小题，每小题l分；计6分) 1．A．That’s OK. B．I’m fine，thanks C．How’s it goin g? Frank? 2．A．I’m fifteen years old． B．Happy New Year! C．I was born on June 5,1997．3．A．Thank you! B．You are right． C．No, I don’t ca re．4．A．That’s wonderful． B．Sorry，I won’t， C．You are welcome．5．A．It’s my pleasure. B. Have a good trip． C．It do esn’t matter 6．A．Sure，I’d l ove to． B．Oh．I can’t say it． C．Sure, I dislike it．二、听句子。选择与所听句子内容相符的圈片，并将代表图片的字母填在答题卡的相应位置。每小题念两遍。(共4小题，每小题l分；计4分) 7． 8． 9. l0． 三、听对话，根据对话内容及问题选择正确答案。每小题念两遍。(共l0小题，每小题l 分； 计10分) 11. A. America. B. Canada. C. Australia. 12. A. At his home, B. At the school. C. In a hospital. 13. A. He doesn't mind them. B. He can't stand them. C. He is interested in them. 14. A. Anna. B. Anna's father. C. Anna's mother. 15. A. Rainy. B. Windy. C. Hot. 16. A. The lions. B. The pandas. C. The tigers. 17. A, The town. B. The City Newspaper. C. The best clothing store in town. 18. A. Across from Lucy's house. B. Across from the library. C. Across from the bank. 19. A. A green sweater. B. A red sweater. C. A white sweater. 20. A, A film star. B. A policeman. C. A musician, 四、听短文，根据短文内容选择正确答案。短文念三遍。(共5小题，每小题l分；计5分) 21. Who went to Paris for a holiday last week? A. Mr. Smith and his wife, B. Mr. Smith himself C. One of their friends. 22. Why couldn't Kitty go to Paris? A. Becau se she liked crying. B. Because she didn' t like Paris.
2019年广西玉林市中考物理试卷及答案 (真题试卷+详细解析答案，值得下载) （本卷共四大题，28小题，满分100分，考试时间90分钟） 注意事项： 1.请将答案填写在答题卡上，在试卷上作答无效。考试结束，将本试卷和答题卡一并交回。 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选项标号涂黑。 3.非选择题用直径0.5毫米黑色墨水签字笔在答题卡上各题的答题区域内作答。 一、单项选择题（本大题共15小题，每小题3分，共45分。在每小题列出的四个备选项中只有一项符合题目要求，每小题选对的得3分，不选、多选或错选的均得0分） 1.在国际单位制中，力的基本单位是 A.W B.A C.N D.m 2.下列工具能直接测量质量的是 A.停表 B.刻度尺 C.天平 D.弹簧测力计 3.《刻舟求剑》寓言故事中，刻舟人认为剑相对舟是静止的，他选取的参照物是 A.舟 B.岸边 C.岸边的树 D.剑 4.下列做法中，符合安全用电原则的是 5.下列事例中，通过改变接触面的粗糙程度来增大摩擦的是
6.随着人们环保意识的增强，我市环境有很大改善。以下做法不利于改善环境的是 A.随地张贴小广告 B.严禁燃放烟花爆竹 C.不随地乱扔垃圾 D.减少使用化石能源 7.关于透镜，下列说法正确的是 A.利用投影仪可以把图片放大 B.利用望远镜可看见血液中的细胞 C.照相机可成倒立、放大的虚像 D.放大镜可成正立、放大的实像 8.如图1所示，“长征”火箭在加速升空过程中 A.惯性变大 B.机械能保持不变 C.动能增加，重力势能减小 D.动能增加，重力势能增加 9.超导现象是指某些物质在温度很低时电阻变为零的现象。如果某种超导材料能应用于实际，最适合用来制作 A.保险丝 B.输电导线 C.电炉丝 D.变阻器的电阻丝 10.如图2所示，是内燃机工作循环中的某个冲程，它是 A.吸气冲程