高一上学期半期考试物理试题 含答案IV.docx

1、高一上学期半期考试物理试题 含答案IV2019-2020年高一上学期半期考试物理试题 含答案(IV) 一、 单项选择题：（本题共10小题，每小题3分，共30分每小题只有一个选项符合题意，请把答案填涂在答卷的相应位置）1关于参考系的选取，下列说法正确的是()A参考系必须选取静止不动的物体B参考系必须是和地面联系在一起的C地球才是最理想的参考系D只有选择好了参考系，物体的运动情况才能确定2. 图1是一质点做直线运动的v-t图像，据此图像可以得到的正确结论是( )A质点在第1 s末停止运动B质点在第1 s末改变运动方向C质点在第2 s内做减速运动D质点在前2 s内的位移为零 图13. 下列关于质点的

2、说法正确的是()A. 研究汽车通过道路上的斑马线需要多长时间可把汽车看作质点 B. 研究地球的公转时可把地球看作质点C. 研究地球的自转时可把地球看作质点 D. 蚂蚁很小，可把蚂蚁看作质点4以下说法中的“时间”指时刻的是() A在第15届亚洲杯中国对阵科威特的比赛中，凭借张琳芃和邓卓翔分别在第58分钟和第67分钟的进球，国足以20击败对手B刘翔在xx年广州亚运会男子110米栏决赛中以13秒09的成绩勇夺金牌C我国实行每周工作40小时的劳动制度D我国发射的“神舟七号”载人飞船环绕地球运行68.5小时后，在内蒙古主着陆场成功着陆5关于加速度，以下说法正确的是()A加速度的方向就是速度变化量的方向B

3、加速度的大小与v成正比，与t成反比C加速度的大小正比于速度的大小D正的加速度大于负的加速度6关于矢量和标量，下列说法中正确的是()A标量只有正值，矢量可以取负值B标量和矢量无根本区别C标量和矢量，一个有大小无方向、另一个有大小也有方向D当物体做单方向的直线运动时，标量路程和矢量位移是一回事7一辆汽车从静止开始匀加速行驶，到8 s末立即刹车，又经过4 s停下来，汽车刹车过程是匀变速运动，那么前后两段加速度的大小之比是()A14 B12C21 D418物体从某一高度自由下落，第1 s内就通过了全程的一半，物体还要下落多少时间落地 ()A(1)s B 1.5 sC. s D1 s9一辆沿笔直的公路匀

4、加速行驶的汽车，经过路旁两根相距50 m的电线杆共用5 s时间，它经过第二根电线杆时的速度为15 m/s，则经过第一根电线杆时的速度为（ ）A2 m/s B10 m/s C2.5 m/s D5 m/s10一物体从离地面H高处自由下落，下落位移为h时，物体的速度恰好是它着地时速度的一半，则h等于（ ） A B C D 二、多项选择题：（本题共2小题，每小题4分，共8分每小题有多个选项符合题意全部选对的得4分选对但不全的得2分错选或不答的得O分请把答案填涂在答卷的相应位置）11，一警车A停在路口，一违章货车B恰好经过A车，A车立即加速追赶，它们的v-t图象如图2所示，则04s时间内，下列说法正确的

5、是（）AA车的加速度为5m/s2 B3s末A车速度为7m/sC在4s末A车追上B车 D两车相距最远为5m 图212如图3是一辆汽车做直线运动的x-t图像，对线段OA、AB、BC、CD所表示的运动，下列说法错误的是()A汽车在OA段运动得最快B汽车在AB段静止CCD段表示汽车的运动方向与初始运动方向相反D4 h内汽车的位移大小为零 图3二、 实验题（本题共2小题，每空2分，共18分，请把正确答案填写到答卷的相应位置）13某学生在用打点计时器做“匀变速直线运动的实验探究”时，其开始时的装配图如图4所示，其中有错误与不妥之处，请把它找出来，表述在下面的横线上。 图4 14在“匀变速直线运动的实验探究

6、”中，打点计时器使用的交流电频率为50 Hz，记录小车做变速运动的纸带，如图5所示，在纸带上选择AF六个计数点，相邻两计数点之间还有四个点没有画出。纸带旁并排放着带有最小刻度为毫米的刻度尺，0刻度线跟计数点A对齐。 图5(1)由图可以读出B、D、F三个计数点到A点的距离sB、sD、sF，请将测量值填入下表中：距离sBsDsF测量值/cm(2)计算小车在打计数点C时的瞬时速度为_ m/s，打计数点E时的瞬时速度为_ m/s；(3)小车在打计数点C和E这段时间间隔内的平均加速度为_ m/s2。四、计算题：（本题共3小题，共计44分.解答时请写出必要的文字说明、方程式和重要的演算步骤.只写出最后答案

7、的不能得分.有数值计算的题，答案中必须明确写出数值和单位.请把正确答案填写到答卷的相应位置）15（14分）一辆汽车原来匀速行驶，然后以2 m/s2的加速度加速行驶，从加速行驶开始，经12 s行驶了264 m。问：(1)汽车在此12 s内的平均速度是多大？(2)汽车开始加速时的初速度是多大？16（15分）.某人站在高楼的平台边缘，以20m/s的初速度竖直向上抛出一石子，不考虑空气阻力，（g取10m/s2）求：物体上升的最大高度是多少？回到抛出点的时间是多少？石子抛出后通过距抛出点下方20m处所需的时间，不考虑空气阻力17（15）.正以v=30m/s的速率运行的列车，接到前方小站的请求，在该站停靠

8、1min，接一位危重病人上车司机决定先以大小为0.6m/s2的加速度匀减速直线运动到小站恰好停止，停车1min后再以大小为1.0 m/s2的加速度匀加速直线启动，恢复到原来的速度运行求该列车由于临时停车共耽误了多少秒时间？ 铜仁一中高一物理半期考试卷答案一、 单选题：DCBAA CBADB二、 多项选择题：CD BCD三、 13：(1)木板没有垫木块 （2）小车要靠近打点计时器 （3）电源应使用交流电14：（1）1.20cm 5.40cm 12.00cm(2) 0.33(3)0.6四、计算题 （2）=22 (3分) =+a =10 (4分)16、（1）=20m (4分) =2s = =2s t

9、= + =4s (4分) （2） =2s =2s =+ =2+2s （7分）17、匀减速时间及位移： =50s =V=750m (3) 停止时间：=60s (1) 匀加速时间：=30s =v (3) =+ =1200m (2) 以V正常运行时间：t=40s (3) =- t=100s 2019-2020年高一上学期半期考试英语试题 含答案(I) 侯梅君 第I卷 第一部分：听 力（共两节，满分30分）第一节(共5小题：每小题1.5分，满分7.5分)听下面5段对话。每段对话后有一. 个小题.，从题中所给的A. B.C三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间

10、来回答有关小题和阅读下一小题。每段对话仅读一遍。1. What size does the woman want?A. Size 8. B. Size 10. C. Size 12.2. How does the man feel about his job?A. He enjoys it. B. He doesnt like it at all.C. He wants to find a new job.3. When will the woman have dinner?A. At 6:00 pm. B. At 7:00 pm. C. At 8:00 pm.4. Where does th

11、is conversation most probably take place?A. In a bookstore. B. B. In a museum. C. In a shopping mall.5. What is the woman going to do?A. Buy a silk dress. B. Attend a party. C. Wear a new dress.第二节（共15小题。每小题1.5分，满分22.5分）听下面5段对话或独白。每段对话或独白后有几个小题，从每题所给的A、B、C三个选项出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有时间阅读各个小题，每

12、小题5秒钟。听完后各小题将给出5秒钟的作答时间。每段对话或独白读两遍。听下面一段对话，回答第6至8三个小题。6. What does the man want to do?A. Buy some medicine. B. Buy some books. C. Post a letter.7. What does the woman ask the man to do?A. To lend her a bike. B. To get some books C. To buy some medicine.8. What is the matter with the woman? A. She ha

13、s got a cold. B. She cant sleep well. C. She hurts herself.听下面一段材料，回答第9和10两个小题。9. Where does this conversation probably take place?A. At a hotel. B. On an island. C. In a travel office.10.What is the man doing?A. Planning a tour. B. Looking for a hotel. C. Trying to find a book.听下面一段材料，回答第11至第13三个小题

14、。11. How does the woman get the information about arm exercises? A. By talking to an expert. B. By reading an article. C. By listening to the radio.12. What do the experts remend? A. Exercising the whole body. B. Losing weight day by day. C. Having your blood pressure taken daily.13. What does the m

15、an like doing?A. Jogging. B. Walking. C. Riding bicycles.听下面一段材料，回答第14至第16三个小题。14. When did Thomas e back?A. About two years ago. B. About five months ago. C. Last month.15. What did Thomas do after graduating from university in Hong Kong?A. He went to Britain for study. B. He worked for disabled pe

16、ople. C. He visited his friend in town.16. What does Betty think of her job?A. Its boring. B. Its precious. C. Its satisfying.听第下面一段材料，回答第17至第20四个小题。17. What date is Halloween? A. December 31st. B. November 1st. C. October 31st.18. Why did people dress strangely? A. To have fun. B. To frighten away

17、spirits. C. To frighten their neighbors.19. How did people act on Halloween? A. They acted wild. B. They hid in their houses. C. They handed out gifts.20. What is Halloween related to?A. Science. B. Religion. C. Death. 第二部分：阅读理解（共两节；满分40分）第一节（共15小题；每小题2分，满分30分） 阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项,并在答

18、题卡上将该项涂黑。 AA farmer grew some vegetables in his garden. One day his wife was ill and he had no money. He had to sell some cabbages and carrots in the market. The next morning he took two baskets of vegetables to town, but it was raining hard that afternoon and there were few people in the street. Wh

19、en his vegetables were sold out, it was dark. He bought some medicine and hurried to his village.On his way home he saw a person lying on the ground. He placed his baskets on the ground and was going to help the person to get up. At that time he found it was a dead man and there was much blood on hi

20、s body. He was so afraid that he ran away quickly, without taking his baskets. The next afternoon the farmer was sent to the police station. Having shown the baskets, an officer asked, “Are these yours? ” “Yes, sir. ” The farmer answered timidly（胆怯地）. “Have you killed the man?” “No, no, sir.” The fa

21、rmer said in a hurry. “When did you see the dead man?” “About seven last evening. ” “Did you see who killed the man?” “No, sir. ” The officer brought out a knife and asked, “Have you seen it yet?” “No, sir. ” The officer became angry and told the policemen to beat him up and sent him into prison。Tha

22、t evening the officer went on trying. Pointing to the knife, he asked again, “Have you seen it yet?” “ yes, sir.” The officer was happy and asked, “When and where?” “I saw it here this afternoon, sir.”21. Why did the farmer decide to sell the vegetables?A. To go to the market. B. To go to see the do

23、ctor.C. To buy some food for his family. D. To buy some medicine for his wife.22. The farmer didnt sell out his vegetables until the evening because _.A. they were too bad B. they were very expensiveC. it rained hard that morning D. people wouldnt go out on such a bad day23. Why did the farmer run q

24、uickly?A. He was afraid to see a dead man.B. His wife was waiting for him at home.C. The policemen were ing towards him.D. It was so late and he had to buy some medicine.24. The officer tried（审讯）the farmer to _.A. ask if he had seen the knife B. know who had killed the man C. ask when he saw the dea

25、d man D. know if he had seen the dead man B First Lady Michelle Obama is a big fan of volunteering. Volunteering means working for free to help someone else. Mrs. Obama says volunteering is very important. “It should be part of everyones life,” she says.Many teens agree. They say that helping others

26、 feels great and makes a difference. These days, more teens volunteer than work for pay. Teens clean up parks, walk dogs at animal shelters, visit the elderly and more.Some cities - including Seattle, Chicago, and Washington, D.C. -require high school students to volunteer. Students must volunteer i

27、n order to graduate. The student volunteers learn new skills and help their munities.Many parents are in favor of the idea - they say volunteering helps teens build job skills. But most teens dont want to be forced to volunteer. They say they are busy. And they say volunteering is only fun if its a

28、choice.Read both sides of the debate and decide.YESVolunteering can help teens get into college or get a job.Many cities and towns need help. Volunteers can help keep important programs going.Not all teens will volunteer if it isn t required. Schools should require students to do all they can to get

29、 ready for adult life.NOMost teens are already very busy with classes, homework, jobs and sports. Forcing them to do more isnt fair.It should be up to each person. Helping out doesnt feel as good if you have to do it.Finding a volunteer job isnt always easy. Students shouldnt be kept from graduating

30、 because of something they cant control.25. The writer mentions Michelle Obama in order to_.A. introduce the topic of the text B. explain what volunteering isC. tell what she does for the US D. show she enjoys volunteering26. According to the text, in Chicago, .A. finding a volunteer job is quite easyB. more people would rather work for payC. volunteering is a must for high school studentsD. college students have to volunteer before graduation27. The underlined part “are in favor of” in the text means” .A. drop B. develop C. catch D