目标测试题答案
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Unit 6 Section B (1a-1e)Ⅰ.根据句意及汉语提示写出所缺的单词1.We have some milk and bread for (早饭).2.What do you have for (午饭)?3.Look! Five (西红柿) are on the table.4.Do you like (胡萝卜)?5.My sister likes (草莓).Ⅱ.用括号内所给单词的适当形式填空6.—What (do) Lily like to eat?—She likes to eat hamburgers.7.Susan likes to eat (vegetable).8.Let’s (eat) some apples.9.I can see three (tomato) in the bag.10.—How about (play) basketball this afternoon?—That sounds interesting.Ⅲ.单项选择()11.John has egg and orange every day.A.an; anB.an; aC.a; anD.a; a()12.—My favorite food rice.What about you?—Hamburgers my favorite food.A.is; isB.are; areC.is; areD.are; is()13.They have some and for dinner every day.A.chicken; vegetableB.chickens; vegetablesC.chicken; vegetablesD.chickens; vegetable()14.—Does your brother like apples?—.He only likes oranges.A.Yes, he isB.No, he isn’tC.Yes, he doesD.No, he doesn’t ()15.They like apples, they don’t like bananas.A.andB.butC.orD.soⅣ.连词成句把下列单词重新排序,使之成为语意连贯的句子。
新目标初三英语第二单元测试试题及答案(2)四. 情景交际(每小题1分,共5分)根据对话内容,在空白处填上恰当的句子补全对话。
A: Good morning! (1)___________________?B: Yes, please. I’d like to buy something for my father. It’s Father’s Day tomorrow.A: Well, you’re a good boy. (2)___________________?B: I don’t know what to buy.A: (3)___________________?B: He likes reading books.A: (4)___________________?B: Books about sports.A: OK. Here are books about sports. You can choose some for your father.(Ten minutes later)B: I’ll take these two books. (5)___________________?8A: Forty yuan.B: Here’s the money. Thanks a lot.A: You’re welcome.五. 词汇运用(每小题1分,共5分)根据句意,用括号内所给单词的适当形式填空。
1. It would be a shame ________(steal) others’ things.3原创作品2. She ________(lay) her hand on my head.3. He led the child into the ________(warm) of the house.4. The radio ________(spread) the news as soon as it happened.5. Have you ever read ________(novel) written by Jane Austen?六. 完成句子(每小题1分,共5分)根据各题后括号内的要求完成下列各题,每空一词。
八年级下Unit9-10单元练习题一.单选1.Mr Li ______ Britain several times. Tomorrow he will give us a talk about British culture.A. has been onB. have gone toC. has been toD. have been to2. Lucy’s parents are teachers . ________ of them teaches Chinese. They both teach French.A. NeitherB. EitherC. AllD. Both3. ---It’s raining! When did it start? ---I don’t know exactly. In fact, it _____ all this afternoon.A. lastsB. has lastedC. lastedD. will last4. Neither you nor he ________ worried.A. areB. isC. amD. have5. --- ______ to England? ---No, never, but I went to Canada a few years ago.A. Have you beenB. Have you goneC. Did you goD. Will6. I’d like to ________ on the huge boat for a week.A. take rideB. take a rideC. ride takeD. ride a take7. ---Do you often hear John ________ in his room? ---Listen! Now we can hear him ___ in his room.A. sing, to singB. singing, singingC. sing, singingD. to sing, singing8. These children had fun ________ and ________ English.A. learn, speakB. to learn , singingC. learning, speakingD. learnt, spoke9. His birthday party ______ an English song.A. ended up singingB. ended singingC. ended up to singD. ended up with singing10. Cathy held a birthday party yesterday. We had a lot of ________ at the party.A. funB. funsC. funnyD. interest11. _______ I ever wanted to do was to find a job and support my family.A. ThatB. AllC. ItD. How12. _______ is spoken all over the word.A. English languageB. An English languageC. The EnglishD. A English language13. I think ________ fun to learn another language.A. this isB. that isC. it isD. it14. We had problems _________ our English exam this evening.A. haveB. hasC. hadD. having15. About ________ of the workers in the clothes factory are women.A. third fifthsB. third fifthC. three fifthsD. three fifth16. You can eat delicious food at a good price in my restaurant_______ you like.A. wheneverB. whereverC. howD. however17. Kunming is 1800 kilometers _______ Nanjing.A. far away fromB. far fromC. away fromD. far away18. --- ________ the population of Hong Kong? --- Seven million people.A. How isB. How much isC. What areD. What is19. ---Would you like to see the film Confucius with me this evening? --- I’d love to, but I ______ it. A. hadseen B. have seen C. watch D. am watching20. She ______ as an animal trainer since 2003 .A. has workedB. worksC. will workD. worked21. _______ of the students in our class _______ money to the disabled people these days.A. Two third , had raisedB. Two thirds , has raisedC. Two three , have raisedD. Two thirds, haveraised22. ---Which do you prefer, coffee or tea? ---_____ , thanks. I’d like a glass of orange juice.A. EitherB. NeitherC. BothD. None23. I am sleepy. The loud music _______ this morning.A. got me upB. got up meC. woke me upD. woke up me24. They took a trip to Suzhou and Hangzhou, and ________ in Shanghai.A. opened upB. got overC. ended upD. got out25. Qingdao is a good place ______ . Do you want ______ there?A. to live , to liveB. living , livingC. living, to liveD. to live , living26. _______ you don’t hurt any of them.A. Be sure aboutB. Be sure ofC. Make sure that27. She likes to put all her things ______ .A. in orderB. with orderC. for order28. The boy looked unhappy, _______?A. wasn’t heB. didn’t heC. did heD. was he29. Don’t forget to put the book on the shelf, _________?A. do youB. don’t youC. will youD. won’t you30. What _______ terrible weather it is !A. aB. anC. theD. /31. ---Jack is really hard-working, isn’t he? ---_________A. He is sure.B. He isn’t sureC. He sure isD. He sure isn’t32. ---You don’t love violin music, do you? ---________. But I like piano music.A. Yes, I doB. No, I don’tC. Yes, I don’tD. No, I do33. I have _______ all of my newspapers, but I can’t find the article.A. looked atB. looked afterC. looked forD. looked through34. ---Has Jim come ________ ? ---Yes. He has _________ been here for ten minutes.A. yet, alreadyB. already, yetC. yet, yetD. already, already35. With my friend Li Ming’s help, I ______ well with my classmates in the new school.A. come onB. look throughC. come alongD. get along36. I received a nice gift from Tina. Now I’m writing a thank-you note_______ it.A. atB. onC. asD. for37. The accident was very serious. ________100 people were killed.A. At leastB. At firstC. At mostD. At times38. Tom and Tony are both my classmates . They are friendly_______ me.A. forB. toC. withD. at39. Two people ______ in the dining room were talking aloud.A. waitingB. waitedC. waitsD. to wait40. Go away and leave me ________.A. lonelyB. aloneC. lonelyD. oneself41. You bought a new computer last week, _____ you?A. aren’tB. don’tC. didn’tD. haven’t42. ---Few well—known singers came to the concert, did they?---_______ . Such as Andy Lau, Jay Chou and Kristy Zhang.A. No, they didn’tB. Yes, they didC. No, they didD. Yes, they didn’t43. ---Let’s go skating, ______? ---OK. Let’s go.A. do youB. don’t youC. will youD. shall we44. ---Do you think it’s going to rain? ---_______. I want to go swimming.A. I doB. I think soC. I hope soD. I hope not45. How ______ it rained last night!A. heavyB. heavilyC. hardlyD. heavier46. I know it’s very sunny there, ______?A. don’t youB. do youC. isn’t itD. is it47. I’m feeling bad today. Here “bad” means ______.A. sorryB. not happyC. not wellD. afraid48. ---I like reading story books. ---________!A. So does MaryB. Mary does soC. So did MaryD. Mary did so49. Don’t forget_______ the TV when you go to bed.A. turn offB. to turn offC. turning offD. turned off50. ---How much did the T-shirt________ you? ---More than sixty yuan.A. payB. costC. spendD. take二.根据句子意思、首字母和所给词的适当形式填空1. There is a lot of _______ (sandy) on the beach.2. What do you think of my ______ (go) to study abroad?3. You should make a n______ of her address , or you’ll forget it.4. Now lots of movies stars have a large number of f_________ supporting (支持) them.5. We should take every chance that comes a________.6. The boys had a great time _______ (play) football in the park.7. Computers make it much _________ (easy) to find information.8. _______ (see) from space , the earth looks like a blue ball.9. Let’s go to the a________ park.10. My parents ____________ (teach) English in this school for ten years.11. My friend Amy _________ (be) to the zoo a lot of times.12. Neither Jim nor I ________ (be) good at math.14. I _______ ever _______ (speak) to a foreigner.15. I saw the students _______ (play) volleyball on the playground at that time .16. Neither of the twins _________ (have) eaten mooncakes.17. Jack _____________ (study) in this school since two years ago.18. ---Where’s Anna? ---She __________ (go) to China. And she’ll come back in a month.19. They ended up ___________ (agree) with others in the end.20. The flight a__________ told the passengers to keep quiet when others had a rest.21. Who d___________ the New Land?22. What’s r____________ to become a flight attendant?23. China has the largest p_________ in the world.24. They fought back ________ (brave) .25. The beautiful scenery of Yunnan a_________ many tourists every year.26. There are two _________ (thousand) students in our school.27. At the _______ (begin) of the class , the teacher told us a true story.28. The more you practice, the _______ (well) you play the piano.29. Do you have any problem _________ (finish) the job?30. At last the old man arrived at the airport _________ (safe) .三.汉译英1. It looks like rain. You’d better ______ _______ ______ ______ _______ (带上雨伞)2. I _____ ______ _______ _____ ( 对……没有把握) it at all.3. Please ______ _______ _____ _______ ( 开张……的清单) the books you need.4. Her house ______ ______ ________ _______ _______. ( 看上去和我们的一模一样)5. Please _____ these cards ______ _______ .( 按顺序排好)6. Your sister is _______ ______ (浏览) books in the bookstore.7. Be careful when you _____ _____ (穿过) the street.8. ---Lucy is a good student , isn’t she ? ---_______ ______ _____. (她当然是)9. It ________ ________ (好像) rain. You’d better put on your raincoat.10. This TV set ________ (花费) them 120 dollars.11. _______ the _______ (多少钱) of these books all together?12. I’m alone tonight. Would you like to _______ ______ (陪同) with me?13. Lily always ______ me ________ (帮助) my English.14. ---How do you _______ _______ _____ (与……相处) your classmates? ---Very well.15. Can you help me write _______ ______ ______ (一封感谢信) ?16. By the end of last term, we had learned ________ ______ (至少) 1,000 words.17. Many middle---aged women enjoy ______ ______ (闲聊).18. Nowadays , many buildings are built with _________ (电梯) , which is very convenient.19. He loves sports. Especially he enjoys playing _________ (曲棍球).20. Do you know the girl ______ _______. (要来)21. 每个星期天都下雨,是吗?It _______ every Sunday, _________ ______ ?22. 昨天晚上我过得很愉快。
题号题号ⅠⅡ Ⅲ Ⅳ Ⅴ Ⅵ Ⅶ Ⅷ Ⅸ Ⅹ Ⅺ 总分总分 得分得分2.3.4.听句子,选择最佳答语。
(5分) )6.A.Y es ,I do. B .No ,I won't. C .)7.A.Sleeping. B .Enjoy reading. C .)8.A.Y es ,I can. B .This is Jenny speaking.C .I'm here. 小题。
听第二段对话,回答第13-15小题。
()13.Who jumped into the river? A.A young man. B.A driver. C.Rose. ()14.When did the accident happen? A.At 7:20 a.m. B.At 7:30 a.m. C.At 7:40 a.m. ()15.How many people are mentioned (提及的) in the accident? A.Two. B.Three. C.Four. Ⅳ.听短文,选择正确答案。
(10分) ()16.What was the speaker doing in the morning? A.Cooking breakfast. B.Running. C.Reading. ()17.How did the speaker usually go to work? A.By car. B.By bike. C.By bus. ()18.What was in the bike's basket (车筐)? A.The bag. B.The umbrella. C.The book. ()19.When did the speaker get to the bus stop again? A.At 7:00. B.At 7:40. C.At 8:20. ()20.What happened when the speaker was waiting for the bus? A.It started to rain. B.It started to snow. C.It started to wind. 笔试部分(95分) Ⅴ.单项选择。
人教版新目标初中英语九年级上册Unit 2同步测试题及答案第二部分英语知识运用Ⅰ. 根据句意和汉语或首字母提示补全单词(每小题1分,共10分)21. The old woman is afraid of flying in an_______ (飞机).22. —What _______(造成) the traffic accident?—The bad weather.23. T ell me_______(确切地) where he lives so that I can find him.24. In the end, they made a difficult _______ (决定) to send their son to a boys’ boarding school.25. My young brother likes reading _______ (连环漫画) very much.26. —T om, you should pay a_______ to your spelling.—Sorry, I will.27. Mary used to c______ gum a lot in class, but now she doesn’t do again.28. These days I hardly have time to c______ with my friends on the Internet.29. Our English teacher was very p_______ and helpful.30. You eat too much c_______. It’s bad for your teeth.Ⅱ. 单项选择(每小题1分,共15分)31. He_______ suffer the Internet after school, but now he doesn’t like it.A. use toB. using toC. used toD. uses to32. Mary is afraid to go out at night because she is ______ the dark.A. terrified ofB. interested inC. worried aboutD. angry with33. Many girls are terrified of _______ alone at night, but my sister isn’t.A. walkB. walkingC. walkedD. to walk34. —I don’t know how to study English well.—I think you should _______ your spelling.A. pay attention toB. listen toC. worry aboutD. pay for35. _______we are clever, we still need to work hard.A. IfB. UnlessC. Even thoughD. Since36. Her mother couldn’t _______to pay for her children’s education because her family is very poor.A. wantB. affordC. tryD. offer37. My brother likes to sleep ______ the light _______.A. on; on C. with; on C. with; turn on D. with; in38. —Do you have any trouble ______ the teachers in class, Jim?—Yes, especially in Chinese class.A. to understandB. understandC. understandingD. understood39. When he was young, he was ______ in science.A. interestingB. interestedC. interestsD. interest40. Mario used to ______ after school.A. practice playing the pianoB. practicing playing the pianoC. practice play the pianoD. to practice playing the piano41. I used to spend two hours ______ my homework, but now only one hour.A. doingB. doC. to doD. did42. Pleas e don’t give up ______ and you’ll succeed in the end.A. tryB. tryingC. to tryD. tries43. —Did they solve all the problems______?—Yes, they did.A. at the endB. at the end ofC. in the endD. by the end of44. It _______ that T ony has changed a lot.A. look likeB. seemsC. lookD. seemed45. —_______ work in a car factory?—No. I used to work in a computer company.A. Did you used toB. Did you use toC. Do you used toD. Do you usetoⅢ.46. When Martin was a child, he caused problems for _______ and his family.47. The girl is ______ of the dark, so she doesn’t go out in the evening.48. His father’s ______ made him very sad.49. T o our ______, he didn’t die and came back again.50. You have to make a quick _______ before it rains.Ⅳ. 句型转换(每小题2分,共10分)51. I used to watch TV in the evenings. (改为否定句)I ______ _____ to watch TV in the evenings.52. Jeff used to be shy. (改为反意疑问句)Jeff used to be shy, _______ ______?53. We walked to school before. But now we don’t. (合并为一句)We _______ ______ _______ to school.54. My mother used to work in a supermarket.(就划线部分提问)_______ did your mother use _______ ______?55. I used to spend two hours chatting online. (就划线部分提问)_______ ____ ______ you use to spend chatting online?Ⅴ. 根据汉语提示完成下列句子(每小题2分,共10分)56. 我以前非常惧怕黑暗。
职业生涯规划》期中测试题及答案期中测试题一、单项选择题1.下列各项不属于职业的是()。
A.医生B.会计C.学生D.工程师2.职业生涯的特点不包括()。
A.发展性B.合作性C.终身性D.阶段性3.中职生的职业生涯规划,最根本也最现实的目标是()。
A.实现理想B.到名企工作C.找到稳定的工作D.初次就业成功4.人生价值可分为()和社会价值两个方面。
A.自我价值B.道德价值C.职业价值D.人生价值5.()决定着职业理想追求的层次。
A.政治思想觉悟、道德修养水平B.知识结构、能力水平C.性格、气质、情感、意志D.性别、身体等生理特质6.申请执业资格注册,必须同时具备下列条件()。
①已经取得《执业资格证书》②遵纪守法,具备职业道德③经所在单位考核合格④身体健康,能坚持工作⑤必须工作5年A.①②③④⑤B.①②④⑤C.①②③⑤D.①②③④7.需要有逻辑思维严密、喜欢独立思考的性格的职业是()。
A.律师B.导演C.画家D.钢琴师8.具有热情奔放、跳跃思维的性格的人适合做()。
A.会计B.驾驶员C.律师D.导演9.下列省份不属于以京津为核心的环渤海经济圈的是()。
A.辽宁B.北京C.天津D.江苏10.确定()是职业生涯规划的关键环节,其他环节全围绕它的确定展开。
A.发展目标B.长远目标C.阶段目标D.职业理想二、填空题1.职业生涯是指一个人一生的职业发展道路,即一个人一生连续从事的职业和工作职务的发展道路。
2.职业生涯是个体的概念,它是个体的职业经历,而非群体或组织的行为经历。
3.在树立理想的过程中,职业理想始终处于主导地位,它制约和决定着人们的道德理想、职业理想、生活理想。
4.执业资格证书由劳动保障部统一印制,劳动保障部门或国务院有关部门按规定办理和核发。
5.职业成功因素主要是指与个体成功地从事某种工作有关的能力因素,是一些对于不同职业的成功、在不同程度上有所贡献的心理因素。
6.从时间顺序的角度看,职业生涯发展目标是按长远目标,长期目标,阶段目标,短期目标的顺序而依次确定的。
人教版新目标九年级英语Unit 1测试题含答案一、听力测试(共20小题,计20分)(略)二、单项填空(共15小题,计15分)16.—How do you study English? —I study by____with a group.A. workingB. workC. to work17.I have learned English ____ that way.A. a lot ofB. a lotC. lots of18.Watching movies really improves my ____skills.A. spokeB. spokenC. speaking19.I think it’s ____ hard____ understand English grammar.A. so; thatB. such; thatC. too; to20.I often feel ____nervous when I speak English in Public.A. a littleB. kind ofC. A and B21.____you read, ____you’ll be.A. The much; the fasterB. The more; the fasterC. The many; the faster22.My English teacher spoke ____quickly ____I did not follow her most of the time.A. too; toB. enough; forC. so; that23.You can watch ____English movies to improve your English.A. otherB. anotherC. others24.Don’t ____in a dictionary or on the Internet when you don’t know the words.A. look up itB. look it upC. look them up25.Listening to something interesting is the secret____ language learning.A. toB. onC. of26.Learning more grammar can help me have a better____ of English movies.A. understandB. understandingC. understood27.Do you have a partner ___ English____?A. to practice; toB. to practice; withC. to practice; about28.____you learn something well, you will forget it.A. Even ifB. AlthoughC. Because29.Tom, can you explain the information to ____student.A. the otherB. one anotherC. another30.A a good English learner, you must use your time and money ____.A. wildly B wisely C. widely三、阅读理解(共25小题,计25分)ADo you know that one fifth of the people in the world speak Chinese? About 873million people speak it at home, in China. Outside China, people in Singapore, Malaysia and some other Asian countries also speak Chinese.That makes Chinese the most widely used first language in the world.Schoolchildren in the UK and USA are learning Chinese.In the future, people will speak Chinese as an international language because China is becoming a very important country in the world.Many foreigners visit China, and many countries trade China. China is a worldleader, and so many people will learn Chinese and speak Chinese as an international language.根据短文内容,判断下列句子正误,正确的用“A”表示,不正确的用“B”表示。
Test for Unit 6〔时间:120分钟,总分值:120分〕题号ⅠⅡⅢⅣⅤⅥⅦⅧⅨⅩⅪ总分得分听力部分〔25分〕Ⅰ.听句子,选择与其意思相符的图片。
(5分)()1.()2.()3.()4.()5.Ⅱ.听句子,选择最正确答语。
(5分)()6.A.It's boring.B.My father.C.I want to buy it this afternoon.()7.A.Here we are. B.This one.C.Sure.()8.A.OK,you can. B.Yes,she will.C.No,I'm not.()9.A.Me,too. B.You are welcome.C.Yes,please.()10.A.Thank you. B.No,thanks.C.I will.Ⅲ.听长对话,选择正确答案。
(5分)听第一段对话,答复第11-12小题。
()11.What's the boy's favorite cartoon star?A.Mickey Mouse. B.Monkey King.C.Sponge Bob.()12.How often does the girl watch Mickey Mouse?A.Twice a week. B.Four times a week.C.Every day.听第二段对话,答复第13-15小题。
()13.Why does the girl call Dave?A.To invite Dave to go to a movie with her.B.To give two tickets to Dave.C.To talk about her favorite movie with Dave.()14.What kind of movie is it?A.A cartoon. B.A comedy.C.An action movie.()15.When will they meet?A.At 6:30. B.At 6:45.C.At 7:00.Ⅳ.听短文,完成下面的表格。
平方根 目标测试(一)(时间20分钟,满分60分)(一)基础测试:填空题:(每题3分,共30分)(1)121的算术平方根是 ;的算术平方根是 .(2)100的算术平方根是 ;的算术平方根是 ;的算术平方根是 .(3)25-的相反数是____________,绝对值是_________________.(4)若x x -+有意义,则=+1x ___________.(5)若4a+1的算术平方根是5,则a2的算术平方根是______.(6)小明房间的面积为10.8平方米,房间地面恰由120块相同的正方形地砖铺成,则每块地砖的边长是______米.(7)已知 和 | y - | 互为相反数,则x =____,y =__.(8方根的相反数是_____.(9)一个自然数的算术平方根是a ,则下一个自然数的算术平方根是______.(10)一个自然数的平方是b,那么比这个自然数大1的数是______.选择题:(每题3分,共9分)(1)下列各式计算正确的是( )A.±6 5 8 10(2)下列各式无意义的是( )A.-(3)数23的大小关系是( )A. 32B. <3<2C. 2<<3 <2(二)能力测试:(每小题6分,共24分)1.比较大小:(1)635与; (2)2215-+-与. 2.写出所有符合下列条件的数:(1)大于17-小于11的所有整数; (2)绝对值小于18的所有整数.(三)拓展测试:(6分)观察: 猜想2655-等于什么,并通过计算验证你的猜想。
答案:(一)基础测试:填空题(1) 11, (2) 10,, (3)2,2 (4) 1 (5) 6 (6)(7)3-, (8)16- (9(10)1选择题 (1)D (2)B (3)C(二)能力测试:1.(16< (2) 12<- 2.(1)4,3,2,1,0,1,2,3---- (2) 4,3,2,1,0,1,2,3,4----(三)拓展测试:=== =。
第四章向量组的线性相关性目标测试题(参考答案)本页仅作为文档封面,使用时可以删除This document is for reference only-rar21year.March第四章 向量组的线性相关性目标测试题(参考答案)一、填空题.1. 设向量组) , ,0( ),0 , ,( ), ,0 ,(321b a c b c a ===ααα线性无关,则c b a ,,必满足关系式0abc ≠.2. 已知向量组)1 ,1 ,3 ,4( ),2 ,6 ,2 ,4( ),0 ,2 ,1 ,3( ),1 ,3 ,1 ,2(4321-=-=-=-=αααα,则该向量组的秩为___2__.3. 设三阶矩阵122212304A -⎛⎫ ⎪= ⎪ ⎪⎝⎭,三维向量11a α⎛⎫ ⎪= ⎪ ⎪⎝⎭,若向量A α与α线性相关,则a = -1 .4. 已知向量组123(1,2,1,1),(2,0,,0),(0,4,5,2)T T T t ααα=-==--的秩为2,则t = 3 .5. 设321,,ααα线性无关,问=k __1_时,312312,,αααααα---k 线性相关.6.设12,,s ηηη为非齐次线性方程组Ax b =的解,若1122s s k k k ηηη+++也是方程组Ax b =的解,则12s k k k ,,,应满足条件12s + 1k k k ++=.二、选择题.1.设有向量组),0 ,2 ,2 ,1( ),14 ,7 ,0 ,3( ),2 ,1 ,3 ,0( ),4 ,2 ,1 ,1(4321-===-=αααα),10 ,5 ,1 ,2(5=α 则该向量组的最大线性无关组( B ).(A ) 321 , ,ααα, (B ) 421 , ,ααα,(C ) 521 , ,ααα, (D ) 5421 , , ,αααα.2. 设向量组321,,ααα线性无关,则下列向量组线性相关的是(C ).(A ) 21αα+,,32αα+13αα+, (B ) ,1α21αα+,321a ++αα,(C ) 21αα-,,32αα-13αα-, (D ) 21αα+,,231αα+133αα+.3.设向量组123,,ααα线性无关,向量1β可由123,,ααα线性表示,而2β不能由123,,ααα线性表示,则对任意常数k ,必有(A ).(A )12312,,,k αααββ+线性无关;(B )12312,,,k αααββ+线性相关;(C )12312,,,k αααββ+线性无关;(C )12312,,,k αααββ+线性相关. 4 . 设12(1,0,0),(0,0,1)T T αα==,则β=(B )时,β可由12,αα线性表示.(A )(2,0,0) (B )(3,0,4) (C )(1,1,0) (D )(0,1,0) 5.下列命题正确的是( D ).(A ) 对于向量组s ααα,,,21 ,若有不全为零的数组s k k k , , ,21 ,使得02211≠+++s s k k k ααα ,则s ααα,,,21 线性无关,(B ) 对于向量组s ααα,,,21 ,若有不全为零的数组s k k k , , ,21 ,使得2211=+++s s k k k ααα ,则s ααα,,,21 线性无关,(C ) 若向量组s ααα,,,21 线性相关,则其中每个向量都可由其余向量线性表示,(D ) 任何1+n 个n 维向量必线性相关.6.设123(1,2,1),(0,5,3),(2,14,8)T T T ααα===,则向量组123,,ααα的秩是( C )(A )0 (B )1 (C )2(D )3 7.设A 为m n ⨯矩阵,且()1r A n =-,12,αα是0Ax =的两个不同的解向量,k 为任意的常数,则0Ax =的通解为( C )(A ) 1k α (B ) 2k α (C) 12()k αα- (D) 12()k αα+三、计算题.1.设(2,1,2),(4,2,3),(8,8,5)T T T αβγ=-=-=-,求数k 使得 2k αβγ+=.(3k =)2. 设). ,3 ,1( ),3 ,2 ,1( ),2 ,1 ,1(321t ===ααα (1) 当t 为何值时,321,,ααα线性无关. (4t ≠)(2) 当t 为何值时,321,,ααα线性相关. (4t=) (3) 当321,,ααα线性相关时,将3α用21,αα线性表示. (3212ααα=-)3. 求向量组)2 ,1 ,2 ,3( ),4 ,3 ,1 ,7( ),5 ,1 ,4 ,6( ),1 ,2 ,1 ,3(4321=----=---==αααα的一个最大无关组,并用最大无关组表示其余向量.(1234123313,,;.222ααααααα=-+- )4. 确定常数a 和b 使得)0 , ,2 ,1( ), ,3 ,1 ,2( ),2 ,1 ,0 ,1(321b a -=-=-=ααα线性相关.(3,9.a b ==)5.设123,,ααα线性无关,问当,h k 满足什么条件时,213213,,h k αααααα---也线性无关.( 1.hk ≠)6.设123,,t t t 为互不相等的常数,讨论向量组222111222333(1,,),(1,,),(1,,)T T T t t t t t t ααα===的线性相关性.(线性无关)7.已知非齐次线性方程组1234123412341234230 2641 32716.x x x x x x x x x x ax x x x x x b +-+=⎧⎪+-+=-⎪⎨+++=-⎪⎪---=⎩,,, 讨论参数a b ,取何值时,方程组有解、无解;当有解时,试用其导出组的基础解系表示通解.( (1)当2b ≠-时,()()r B r A ≠,方程组无解;(2)当2b =-时,()()r B r A =,方程组有解,(a)若8a =-,原方程组的通解为*112212141122 010001x c c c c ηξξ--⎛⎫⎛⎫⎛⎫ ⎪ ⎪ ⎪-- ⎪ ⎪ ⎪=++=++ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪⎝⎭⎝⎭⎝⎭,(12,c c ∈).(b)若8a ≠-,原方程组的通解为 *1112 0001x c c ηξ--⎛⎫⎛⎫ ⎪ ⎪- ⎪ ⎪=+=+ ⎪ ⎪ ⎪ ⎪⎝⎭⎝⎭,(c ∈).) 四、证明题. 1. 设有向量组),1(,,,21>m m ααα 且.,,121312321-+++=+++=+++=m m m m αααβαααβαααβ 证明:当向量组m βββ,,,21 线性无关时,向量组m ααα,,,21 也线性无关.2. 证明,对任意实数a,向量组123(,,,),(,1,2,3),(,2,3,4)T T T a a a a a a a a a a a a ααα==+++=线性相关.3.设A 为m n ⨯矩阵,1η,2η为非齐次线性方程组Ax b =的两个不同解,证明: 向量组1η,12ηη-线性无关.。
潜能测试题及答案一、选择题(每题2分,共10分)1. 以下哪项不是潜能开发的关键因素?A. 持续学习B. 积极心态C. 过度自信D. 目标明确2. 潜能测试通常包括哪些方面?A. 智力测试B. 性格测试C. 技能评估D. 所有选项3. 潜能开发过程中,以下哪项不是必要的?A. 正确的自我认知B. 外部环境的支持C. 持续的自我激励D. 过度依赖他人4. 根据潜能理论,以下哪项不是潜能的表现形式?A. 创造力B. 记忆力C. 情绪控制D. 体力5. 潜能开发对个人成长的意义在于:A. 提升个人技能B. 增强自信心C. 促进全面发展D. 所有选项二、填空题(每空1分,共10分)6. 潜能开发需要_________的参与。
7. 一个人在_________时,更容易发现自己的潜能。
8. 潜能开发可以通过_________来实现。
9. 潜能测试的目的是_________。
10. 潜能开发有助于_________。
三、简答题(每题5分,共10分)11. 简述潜能测试的目的和意义。
12. 描述潜能开发过程中可能遇到的挑战及其应对策略。
四、论述题(每题15分,共30分)13. 论述个人如何通过自我探索来发现和开发自己的潜能。
14. 论述团队环境对个人潜能开发的影响及其重要性。
五、案例分析题(20分)15. 阅读以下案例:某公司为提高员工的工作效率和创造力,引入了潜能测试和开发项目。
请分析该公司的做法可能带来的积极影响和潜在风险,并提出改进建议。
六、答案1. C2. D3. D4. D5. D6. 个人7. 面对挑战8. 培训和实践9. 识别和发展个人潜力10. 提升自我实现的能力11. 潜能测试的目的是帮助个人了解自己的潜在能力和优势,从而为个人发展提供指导和方向。
它的意义在于激发个人的自我认知,促进自我成长和职业发展。
12. 潜能开发过程中可能遇到的挑战包括缺乏自我认知、环境限制、动力不足等。
应对策略包括增强自我认知、寻求外部支持、设定明确目标和持续自我激励。
体育心理学第二章运动中的目标定向和目标设置测试题及答案总计: 6 大题,30 小题,共100 分答题时间:120一、单选题(该大题共5小题,每小题2分。
)1.通过学习新的技能、控制新的环境来发展自己能力的目标定向是属于__________。
A.成绩目标定向B.学习目标定向C.自我目标定向D.结果目标定向2.追寻成绩目标的个体认为是__________天生的、固定不变的,因而力求搜集与能力有关的证据以获得对自己能力的有利评价,避免消极评价。
A.智力或能力B.性格或气质C.性格或能力D.智力或气质3.通过寻求有利的评价和避免负面的评价来显示和证明自己能力的是属于__________。
A.成绩目标定向B.学习目标定向C.掌握目标定向D.结果目标定向4.学习目标定向是__________。
A.适应性的B.主观的C.非适应性的D.非主观的5.“目标设置理论”是由美国马里兰大学管理学兼心理学教授__________于1967年率先提出了的一种激励理论。
A.温伯克B.洛克C.拉瑟姆D.马腾斯二、多选题(该大题共5小题,每小题2分。
)6.团队目标设置过程中可分成__________阶段。
A.计划阶段B.执行阶段C.检查阶段D.结果阶段7.目标定向主要有两个定向,分别是__________。
A.学习目标定向B.成绩目标定向C.工作目标定向D.结果目标定向8.我要在这次跳高比赛中跳得再高点,是__________。
A.短期目标B.模糊的目标C.长期目标D.明确的目标9.这次篮球赛,我的罚球命中率要超过同伴,是__________。
A.结果目标B.技术动作目标C.明确的目标D.模糊的目标10.团队具有的特点是__________。
A.成员之间相互依存B.成员之间相互协调C.团队以实现共同目标为主要任务D.团队成员对团队的成败负有责任三、填空题(该大题共10小题,每小题1分。
)11.研究通常认为___()_______是适应性的,它与一系列积极的认知、动机、情感和行为中介变量以及积极的结果联系在一起,而_______()___则是非适应性的,它与一些消极的结果相联系。
新目标英语七年级下Unit3测试题一、单项选择( )1. “_____ do you go to school every day?” “By bike.” A. When B. WhyC. How D. What ( )2. I _____ about two hours doing my homework last night.A. spent B. took C. paid D. cost ( )3. I _____ about 10 dollars on that dictionary yesterday. A. spent B. took C. paid D. cost ( )4. She _____ 20 dollars for the sweater last week. A. spent B. took C. paid D. cost ( )5. It _____ me about two hours to get here by train yesterday. A. spent B. tookC. paid D. cost ( )6. That painting _____ 2000 dollars. A. spends B. takes C. pays D. costs ( )7. My friend Jack usually goes to school _____. A. by busesB. by bus C. by the busD. by a bus ( )8. I often go to school _____. A. by a bike B. on bike C. take a taxi D. on foot( )9. _____ is it from your home to your school?A. How longB. How oftenC. How soon D. How far ( )10. The police station is about 200 meters _____ here. A. awayB. far from C. far D. away from ( )11. My sweater is the same _____ Jim’s, but it’s different _____ John’s.A. as; asB. from; fromC. as; fromD. from; as( )12. A number of students in our class _____ going to the movie this weekend.A. isB. areC. hasD. have( )13. The number of the students _____ about 600 in our school. A. is B. areC. has D. have ( )14. John went to visit his uncle _____ last weekend. A. by a taxiB. by footC. on bikeD. in a car ( )15. She has _____ books in her room.A. seven hundreds and twenty-three B. seven hundred and twenty-three C. seven hundreds and twenty three D. seven hundred and twenty three( )16. It takes about half an hour _____ to our school from my home on foot.A. getB. gotC. gettingD. to get( )17. He spent about an hour _ doing the work yesterday.A. finishB. finishedC. finishingD. to finish ( )18. How much money did you pay _____ the computer? A. for B. withC. to D. on ( )19. _____ did it take you to finish the work last night?A. How oftenB. How longC. How soonD. How far( )20. Mr. White hurried to work after _____ quick breakfast. A. a B. an . the D. /( )21. Can you tell me _____?A. where does Mr. Black live B. where Mr. Black livesC. where Mr. Black does liveD. Mr. Black lives where ( )22. My home isn’t far from my school. It’s only _____ walk.A. five minuteB. five minutesC. five minute’sD. five minutes’( )23. Don’t worry _____ your mother. I can look after her.A. aboutB. withC. onD. for( )24. This morning John got to school _____ the school bus, not _____ bike.A. on; onB. by; byC. on; byD. by; on( )25. Look! They are waiting _____ the bus stop. A. for B. with C. at D. on ( )26. She usually _____ a taxi to school with her sister. A. by B. in C. on D. takes ( )27. My home is abo ut three kilometers _____ school. It’s not far _____ here.A. from; fromB. to; toC. from; toD. to; from( )28. How do you go to school, _____ bike or _____ foot? A. by; by B. on; on C. by; onD. on; by ( )29. _____ do you _____ my new car? A. What; likeB. How; likeC. What; thinkD. How; think of ( )30. Good health depends _____ good food and exercise.A. with B. on C. for D. to ( )31. Today’s pin-pong match will be _____ 7:40pm _____ 9:30pm on Channel 5.A. at; toB. from; toC. between; toD. at; until( )32. I usually _____ to the bus stop and then go to school by bus.A. by bikeB. on my bikeC. take bikesD. ride my bike( )33. “_____ do you live from school?” “About 20 minutes by bike.”A. How longB. How soonC. How farD. How( )34. I’m so thirsty that I would like _____ cup of tea.A. otherB. the otherC. anotherD. others( )35. Don’t _____ others. You should try to do everything all by yourself.A. worry aboutB. depend onC. think ofD. ask for( )36. These two _____ transportation are _____ useful.A. kinds of; kind ofB. kind of; kinds ofC. kinds of; kinds ofD. kind of; kind of ( )37. The bus is the most popular _____ of transportation in our school.A. meanB. meaningC. meansD. meanings( )38. There must be a lot more fun than _____.A. to go fishingB. going fishingC. go fishingD. going fish( )39. Some students like walking, while _____ like riding bikes.A. the otherB. othersC. anotherD. the others( )40. We all like going to these places _____ there are mountains and rivers.A. thatB. whereC. whenD. what1. How long does it take ___________ ( get ) to Shanghai from Beijing by plane?2. I think taking a boat to school must be a lot more fun than __________ ( take ) a bus.3. Jim with his friends __________ ( take ) a subway to school every day.4. Do you know the __________ ( different ) between these two transportation.5. The bus __________ ( ride ) to school from my home usually takes about half an hour.6. A small number of students in our school __________ ( be ) taking a subway there.7. The number of the teachers in our school __________ ( be ) about forty.8. Don’t be __________ ( worry ) about Tom. He can take care of hi mself.9. She has a problem __________ ( pass ) the exam.10. Mike god a bad __________ ( ill ) yesterday, so he can’t come to school today.11. Do you want to take a subway __________ ( travel ) around New York?12. You needn’t __________ ( finish ) t he work right now. you can do it tomorrow.13. It’s going to rain. It’s better __________ ( take ) a umbrella with you.14. Does he need __________ ( clean ) the classroom now?15. I spent half an hour __________ ( finish ) reading the book.16. How ab out __________ ( take ) a boat there. It’s a lot more fun.17. We must be __________ ( quickly ). The train is leaving very soon.18. Would you please __________ ( tell ) me the way to the subway station.19. We have three ways of __________ ( get ) to school, by bus, by bike or on foot.20. They usually get to school on __________ ( foot ).21. There are six __________ ( hundred ) students in their school.22. What’s the __________ ( mean ) of this work, do you know?23. They will have a lot fun __________ ( play ) in the park.24. I think it’s fun __________ ( play ) in the water in summer.25. If it __________ ( rain ) tomorrow, I will take a bus to school.26. There are __________ ( hundred ) of people in the park on weekends.27. __________ ( read ) in the sun is bad for your eyes.28. Did you finish __________ ( write ) an e-mail to Mike?29. There are some __________ ( Canada ) visiting our school now.30. Alice __________ ( quick ) pot on he coat and went out.1. It’s about twenty __________(分钟)walk from here to the post office.2. It __________(花费)him about two hours to finish the work yesterday.3. It’s about five __________(公里)from his home to our school.4. In the countryside, bikes are the most __________(普通)means of transportation.5. Excuse me. Could you please tell me the way to the subway __________(站)?七、根据汉语提示完成下列句子每空一词1. 通常你怎样去上学。
新目标七年级上英语英语测试题unit5-6及答案班级姓名学号一、单项选择。
(20分)( )1. ________ you like ice cream? A. Are B. Am C. Does D. Do( )2. ______ play table tennis. K A. Let B. Lets C. Let’s D. It’s( )3. —does your father have lunch? —Chicken and tomatoes.A. What; forB. What; /C. How; forD. How; /( )4. —Lucy, can you help me? —. A. Excuse me B. Sure C. You are right D. No, I can’t ( )5. Peter with his friends soccer every afternoon. A. play B. plays C. playing D. plays the ( )6. —Happy birthday to you. —_______A. The same to you .B. Happy birthday.C. You’re welcomeD. Thank you.( )7. —Does your friend like salad? —_________.A. Yes, she like.B. No, she does.C. Yes, she doesn’tD. No, she doesn’t.( )8. —Does your English teacher play basketball very _____ ? —Yes, She does.A. goodB. niceC. greatD. well( )9. —David, what do you think ______ this birthday dinner? —Great! A. on B. to C. up D. about ( )10. —Let’s _______ baseball. —OK. Let’s _______. A. play; go B. plays; go C. play; to go D. play; goes ( )11. I eat some _____ every day. A. orange B. oranges C. chickens D. carrot( )12. I eat some vegetables, like ______. A. chicken B. eggs C. tomatoes D. hamburgers ( )13. Lee is a _______ star. A. sport B. sports C. sporting D. English( )14. Bob wants to eat ______ apple after dinner. A. a B. an C. the D. some ( )15. —Can you play volleyball? —No, I can’t. It is very . A. good B. nice C. difficult D. fun ( )16. Let’s now. A. to have dinner B. has dinner C. have the dinner D. have dinner ( )17. What ________ she have ________ dinner? A. do; in B. does; for C. is; at D. can; to ( )18.There is some ________ on the table. A. tomatoes B. egg C. chicken D. bananas ( )19. Jim is a healthy boy, he has a good . A. eat habits B. eating habit C. eating habits D. eatting habits( )20. We need(需要) some ________ every day. A. healthy food B. salads C. milks D. vegetable 二、完形填空。
小学数学课标测试题(一)一、填空题30 分1.数学是研究( )和( )的科学,数学教育既要使学生掌握现代生活和学习中所需要的数学( )与( ),更要发挥数学在培养人的( )和( )方面的作用。
2.新课程要求,课程内容的选择要贴近学生的实际,课程内容的组织要处理好( ) 和( )的关系;要重视直观,处理好( )和( )的关系,重视直接经验,处理好( )和( )的关系。
教师教学时要发挥主导作用,处理好( ) 与( )的关系。
3.义务教育阶段数学课程目标从知识技能、( )、( )、( )四个方面进行阐述。
其中( )既是基础性目标,又是落实其他三方面的载体。
4.数学课程中,应当注重发展学生的数感、( )、空间观念、( )、( )、运算能力、推理能力和( )。
还要特别注重发展学生的( )和( )。
5.数学知识的教学,要注重知识的(“”)与(“”),把每堂课教学的知识置于整体知识的体系中,注重知识的结构与体系,处理好( )与( )的关系。
6.新标准对培养学生良好的数学学习习惯细化为( )( ) 、( ) 、( )等习惯。
二、简答题30 分1.“探索”在课程标准中是表述哪一类目标的动词?其基本含义是什么?2.什么是数感?3.说说新课程标准提出的学生通过数学学习获得的“四基”? 24.简述数学教学中应当注意的几个关系。
5.什么是延迟评价?三、论述题24 分1. 数学课程资源指的是什么?请举例叙述数学课程资源的内容。
2. 请以教学中的实例说明,如何重视学生学习中的主体地位。
3 四、案例分析(任选1 道)16 分1.1200 张纸大约有多厚?你的1200 步大约有多长?1200 名学生站做广播操的队形需要多大的场地?这几个问题都是通过对1200 在不同情境中的意义的了解,感受数与生活实际的关系。
请就这几个问题,分析设计一个教学片断。
2.在第一学段,学生已经对身高进行记录保留,以养成保存资料的习惯。
那么在第二学段怎样对全班同学的身高进行调查分析呢?请就第二学段分析设计一个教学片断。
七年级下Unit7测试题一、选择填空。
1.-Are you from Canada?-Yes, I live in_______.A. MoscowB. TorontoC. Shanghai2. Don't go out. It's ____outside. It's usually ______here in summer days.A. rain; rainyB. rain; rainingC. raining; rainy .3. Alice, tell Bob ______late for the meeting.A. notB. don't beC. not to be4.--Could I use your eraser?--Yes, you______. Here you are.A. couldB. canC. must5. - How's it going?-________A. It's rainingB. I'm studyingC. Terrible6.--Listen! Who _________in the next room?--Oh, it's Lily. She ________every day.A. sings; singsB. is singing; is singingC. is singing; sings7. --I'm driving now. Can I _________later? .--Sure, no problem.A. call you backB. call back youC. call at you8. My pen pal ________to me every month. Now I ____an e-mail to him on the computer.A. writes; am writingB. writing; writeC. write; writing9. It's windy and cold _____winter in Beijing. My family are ______vacation in Hainan.A. on; forB. in; inC.in;on.10. It's very cold, but Jim is having a good time ______with snow.A. playB. to playC. playing11. Can I use your phone? Mine doesn't _________.A. workB. useC. go12. All the students look very _______when they come back to school after a _______vacation.A. relaxing; relaxedB. relaxed; relaxingC. relaxing; relaxing13. --What ______fine weather it is!--Yeah! Let's go out and take_____ walk.A.a;aB./; theC./;a14. There is lots of______in this place in summer and ______days always make me unhappy.A. rain; rainyB. rains; rainC. rainy; raining15.--______is the weather like in Beijing?--It's cold and dry!A. HowB. WhatC. Where二、用括号内所给词的适当形式填空。
第1页,共8页第2页,共8页………○…………○…………内…………○…………装…………○…………订…………○…………线…………○………………○…………○…………外…………○…………装…………○…………订…………○…………线…………○………考点考场考号姓 名座位号2022-2023学年第一学期期末质量监测试卷七年级 英语学科(考试时间: 100 分钟 考试分值:100)第一卷 听力部分(30分)一、听句子, 选择与所听内容相符的图片。
(每小题1分, 共5分) ( )1.( )2.( )3.( )4.( )5.二、听句子, 选择最佳应答语。
(每小题1分, 共5分) ( )6. A. Oh, no! B. Thank you. C. I'm not sure. ( )7. A. Yes, I do. B. Yes, he does. C. Yes, she does. ( )8. A. I am OK.B. I like music.C. I need a hat, please.( )9. A. Happy birthday! B. Sounds good. C. You're welcome. ( )10. A. I have it on Monday. B. I think it's difficult.C. It's interesting for me.三、听下面两段对话, 选择最佳答案。
(每小题2分, 共10分)听第一段对话, 完成11、12小题。
( )11. What's the boy's name?A. Mike.B. Frank.C. Jack. ( )12. What's the boy's telephone number?A. 938-4859.B. 398-5849.C. 398-4859.听第二段对话, 完成13~15小题。
2022版《义务教育数学课程标准》之“课程目标”测试题(含答案)一、填空题:1.在义务教育阶段,数学眼光主要表现为:(抽象能力)(包括数感、量感、符号意识)、(几何直观)、(空间观念)与(创新意识)。
2.通过对现实世界中基本(数量关系)与(空间形式)的观察,学生能够直观理解所学的(数学知识)及其(现实背景)。
3.在义务教育阶段,数学思维主要表现为:(运算能力)、(推理意识)或(推理能力)。
4.在义务教育阶段,数学语言主要表现为:(数据意识)或(数据观念)、(模型意识)或(模型观念)、(应用意识)。
5.核心素养具有(整体性)、(一致性)和(阶段性),在不同阶段具有不同表现。
小学阶段侧重对(经验)的(感悟),初中阶段侧重对(概念)的(理解)。
6.数感主要是指对于(数与数量)、(数量关系)及(运算结果)的直观感悟。
7.量感主要是指对事物的(可测量属性)及(大小关系)的直观(感知)。
8.符号意识主要是指能够感悟符号的(数学功能)。
知道符号表达的(现实意义);能够初步运用符号表示(数量)、(关系)和(一般规律)。
9.抽象能力主要是指通过对现实世界中(数量关系)与(空间形式)的抽象,得到数学的(研究对象),形成(数学概念)、(性质)、(法则)和(方法)的能力。
10.运算能力主要是指根据(法则)和(运算律)进行正确运算的能力。
11.几何直观主要是指运用(图表描述)和(分析问题)的意识与习惯。
12.空间观念主要是指对(空间物体)或图形的形状)、大小)及(位置关系)的认识。
13.推理意识主要是指对(逻辑推理过程)及其(意义)的初步感悟。
14.数据意识主要是指对(数据的意义)和(随机性)的感悟。
15.模型意识主要是指对数学模型(普适性)的初步感悟。
16.应用意识主要是指有意识地利用数学的(概念)、(原理)和(方法)解释现实世界中的(现象)与(规律),解决现实世界中的问题。
17.创新意识主要是指主动尝试从(日常生活)、(自然现象)或(科学情境)中发现和提出有意义的数学(问题)。
目标测试题答案Company number:【0089WT-8898YT-W8CCB-BUUT-202108】第四章参考答案目标测试题一角的概念的推广一、选择题:二、填空题:6.{α|α=k·360°+135°,k∈z }7.{-690°,-330°,390°,30°}°,-169°·36+240,k∈z,-120°10.α-β=(2k+1).180°,k∈z,两者相关180°的奇数倍。
三、解答题:11.∵90°+k·360° < α <180°+k·360° (k∈z)∴45°+k·180° <α<90°+k·180°2当k为偶数,即k=2n(n∈z)时。
α<90°+n·360°45°+n·360°<2α是第一象限的角此时2当k为偶数,即k=2n+1(n∈z)有225°+n·360°<a<270°+n·360°2α是第三象限的角此时2α是第一或第三象限的角∴212.在直角坐标系上表示Α、B集合,如图所示∴Α∩B={α|150°+k ·360° < α <k ·360°+300°,k ∈z} Α∪B={α|k ·360°+60° < α <k ·360°,k ∈z}目标测试题二 弧度制一、选择题: 二、填空题:6.π3167.2倍 8.a 3π ;1 9.2弧度,|AB|=2sin 1 10.}2322|{πππ<≤-<≤-x x x 或三、解答题:11.解:(1)α=1690o =1801690π⨯=πππ1825818169+=∴ππα182524+⨯=(2)依题意)(,18252Z k k ∈+=ππθ 由θ∈(- 4π,- 2π)得ππππ2182524-<+<-k ,又k ∈Z ∴k= - 2∴πππθ184718254-=+-= 12.解:设顶角为α,底角为β (1)若α:β=2 :3,设α=2k, β=3k , ∵α+2β=π,即2k+6k=π,∴8π=k∴πβπα83,4==即顶角与底角分别为ππ83,4(2)若β:α=2 :3,设α=3k, β=2k ,∵α+2β=π,即3k+3k=π,∴7π=k∴α=π73,β=π72∴顶角与底角分别为π73,π72目标测试题三 任意角的三角函数一、 选择题: 二、 填空题: 6.23- 7.正号 8.13171317-或 9.4π10.32π 三、11.设P(x ,y),则依题意知|y| :|x| =3 :4∵sin α<0∴α终边只可能在第三、四象限或y 轴负半轴上 若P 点位于第三象限,可设P (-4k ,-3k ),(k>0)∴r=5k ,从而54cos -=α,43tan =α若P 点位于第四象限,可设P (4k ,-3k ),(k>0) ∴r=5k ,从而54cos =α,43tan -=α 又由于|y| :|x| =3 :4,故α的终边不可能在y 轴的负半轴上综上所述:知cos α的值为5454-或,tan α的值为4343或-12.解:∵直线y = - 2x 经过第二、四象限,所以应分两种情况讨论 (1)当α终边在第二象限时,设P (a,-2a ),(a<0) ∴2tan ,55cos ,552sin -=-==ααα (2)当α终边在第四象限时,设P (a,-2a ),(a>0)∴2tan ,55cos ,552sin -==-=ααα 目标测试题四 同角三角函数的基本关系式一、 选择题: 二、 填空题: 6. 37.0或88.1-tan α9.89210.csc θ三、 解答题: 11.解:由51cos sin =+x x ,得x x cos 51sin -= 代入sin 2x+cos 2x=1得:(5cosx-4)(5cosx+3)=0∴54cos =x 或53cos -=x 当54cos =x 时,得53sin -=x又∵π<<x 0,∴sinx>0,故这组解舍去当53cos -=x 时,54sin =x ,34tan -=x(2)∵51cos sin =+x x∴(sinx+cosx )2 = sin 2x+cos 2x+2sinxcosx =251 ∴2512cos sin -=x x 又π<<x 0,sinx>0,∴cosx<0(sinx-cosx)2=1-2sinxcosx=254925241=+又∵sinx – cosx>0∴sinx – cosx =57sin 3x – cos 3x = (sinx-cosx)(sin 2x+sinxcosx+cos 2x)=12591)25121(57=-⨯12.解:当m=0时,0cos sin tan ==ααα;当m=±1时,α的终边在y 轴上,tan α无意义。
当α在一、四象限时,∵cos α>0∴221sin 1cos m -=-=αα∴222111cos sin tan m m m mm --=-==ααα 当α在二、三象限时,∵cos α<0∴221sin 1cos m --=--=αα目标测试题五 正弦、余弦的诱导公式一、选择题:1.c 2.A 3.C 4.C 5.A 二、填空题: 6.23 7.±65π8.11-+m m 9.[(2k-1) π,2k π] 10.2 三、解答题:11.原式=)cos (·sin()cos()n s (sin αα)παπα--+--αi =)cos ?(sin )cos (sin 2αααα--= sin α12.1611目标测试题六 两角和与差的正弦、余弦、正切一、选择题: 二、填空题: 6:33 7:2627- 8:21 9:3 10:3 三、解答题:11、 解:∵βα,是同一三角形的两个内角 ∴ 0<βα+<π ∵cos()βα+=-294 ∴sin()βα+=)(cos 12βα+-=97∵cos β= - 31∴sin β=β2cos 1-=322∴sin α= sin()ββα-+=sin()βα+cos β- cos()βα+sin β= 31∴cos α=α2sin 1-=322 ∴tan α=ααcos sin =42 ∴cot α=2212、解:∵在△ABC 中,若cosA=53>0 ,cosB=1312>0 ∴A ,B 为锐角sinA=A 2cos 1-=54 sinB=B 2cos 1-=135∵ cosC=cos[π-(A+B)]=-cos(A+B)=-(cosAcosB-sinAsinB )=6516- < 0∴2π< C <π 即C 为钝角 ∴△ABC 为钝角三角形.目标测试题七 二倍角的正弦、余弦、正切一、选择题: 二、填空题:6:41 7:θtan 8:33- 9:2524- 10: 2csc α三、解答题:11.解:原式= Sin50o (1+ 10cos 10sin 3)=Sin50o(10cos 10sin 310cos +)=2sin50o 10cos 50cos = 10cos 100sin = 10cos 80sin =10cos 10cos =1 12:.解:由y=sin 2x+2sinxcosx+3cos 2x得:y=2sinxcosx+2cos 2x+1 =sin2x+cos2x +2 =)2cos 222sin 22(2x x ++2 =)42sin(2π+x +2当42π+x =ππk 223+ 即x=ππk +85 时,1)42sin(-=+πx y=2-2所以当{)(85|z k k x x ∈+=ππ}时,函数取得最小值,最小值为2-2.目标测试题八 正弦函数、余弦函数的图象与性质一、选择题: 二、填空题:6.(2k π, 2k π+π) ; π-π6 、-1、 k π+π3 、1 ; >cos2>cos39. 2π3 ; 10. (2k π+2π3 , 2k π+4π3 ).三、解答题:11.(1)y=(cosx-2)2-1 y max =8,y min =0(2).y=1-2sin 2x+3sin =-2(sinx-34 )+178 )y max =2, y min =-4(x)=1-cos 2x+acosx+158 a-132 =-(cosx-a 2 )2+18 (2a 2+5a-4)⑴若0≤a2 ≤1,即0≤a ≤2,当cosx=a 2 时,f(x)最大。
此时 18 (2a 2+5a-4)=1(2) )若a2 >1,即a>2, 当x=0时,即cosx=1时,f(x)最大.此时 -(1-a 2 )218 (2a 2+5a-4)=1 a=2013 (不符和条件)(3)若a 2 <0,即a<0 , a=-4(舍)或a=32 ,当x=π2 时,f(x)最大.此时 -(0-a 2 )2+18 (2a 2+5a-4)=1 a=125 (不符和条件)综上可得:a=32目标测试题九 函数 y=Asin(ωx+φ) 的图象一、选择题: 二、填空题:6.(-∞,+ ∞),(-15 ,15 ), 2π3 ,15 ,15 ,32π ,-π3 ; =-1; =sin2(x+π6 );9.右,π2 ;10.(1)(3) 三、解答题:=sin(2x+π3 )=sin[2(x+π6 )]先向左平移π6 个单位,横坐标再缩小到原来的一半而得到. 12.(1)要使f(x)有意义,需满足 cos(2x-π3 )>0∴ 2k π-π2 <2x-π3 <2k π+π2∴ k π-π12 <x<2k π+5π12∴ f(x)的定义域为{x|kπ-π12 <x<2kπ+5π12 ,k∈Z}(2)当a>1时,f(x)的单调增区间是(kπ+2π3 , kπ+7π6 )单调减区间是(kπ, kπ+2π3 ) (k∈Z)当0<a<1时,f(x)的单调增区间是(kπ,kπ+2π3 ) (k∈Z)单调减区间是(kπ+2π3 , kπ+7π6 ) (k∈Z)(3) f(-x)=loga cos[-2x-π3 ]=log a(2x+π3 )∵ f(-x)≠f(x) 且f(-x)≠-f(x)∴f(x)不具有奇偶性。