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中考英语冲刺选择题专项训练及答案(二)

历年中考真题选择题专练及答案（二）总分100（每小题1分）1. Tom usually goes fishing __ Sunday morning.A. atB. onC. for2. —Peter, is this your pen?—Yes, it' s __. Many thanks. I looked for it everywhere.A. mineB. meC. I3. —Where did you go yesterday, Rick?—I went to see a because I had a cold.A. teacherB. doctorC. reporter4. Lady Gags is very popular, and she by many boys and girls at school.A. lovesB. is lovingC. is loved5. —Excuse me, whose Japanese book is this?—It be Tom ' s. In our class, only he is studying Japanese.A. mustB. can'tC. would6. It' s interesting that there are many people speak French in Canada.A. whichB. whereC. who7. Parents often ask their kids __ their internet friends because the kids may be in danger.A. to meetB. not to meetC. meeting8. Look! Peter TV happily, but his parents are busy in the kitchen.A. is watchingB. watchesC. watched9. —Hey, Tony, You look so tired today.—-I __ until 12 o' clock last night for the math test.A. woke upB. stayed upC. grew up10. My cousin knows a lot about geography, __ he is only four years old.A. becauseB. soC. although11. Some scientists think that it will take __ of years to make robots do most work for humans.A. hundredsB. hundredC. thousand12. Please keep quiet, everybody! I have important to tell you.A. nothingB. somethingC. everything13. This T-shit is not large enough. Please show me a one,A. largeB. largerC. largest14. —I can' t find Mike. Could you tell me ?—He is in the library.A. what h e isB. how he isC. where he is15. —Jack, let's go to see the movie Harry Potter.—Oh, I it many times. So I don' t want to see it.A. have seenB. seeC. will see16. —I want to know when Mr. Brown will arrive.—When he , I will tell you.A. will arriveB. arrivedC. arrives17. —I’m very tired. I can’t go any further, Jenny.—,Tommy. You can do it!A. Come onB. You are rightC. That’s OK18. he has little knowledge, the old worker has a lot of experience.A. Although.B. Because.C. If19. One of the advantage of playing guitar is that it can give you a great deal of pleasure.A. aB. theC. 不填20. We forgot to bring our tickets , but please let us enter, ？A. do youB. shall weC. will you21. —Have you known Dr. Jackson for a long time?—Yes, since she the Chinese Society.A. joinedB. joinsC. has joined22. When asked what they needed most, the kids said they wanted to important and loved.A. turnB. soundC. feel23. Sarah had her washing machine yesterday, but it doesn’t work now.A. repairB. repairedC. to repair24. Tony is very nice. He is the most enjoyable person I .A. meet everB. have ever metC. had ever met25. A typhoon hit this area with heavy rains and winds strong as what happened in 2008.A. asB. soC. too26. In order to finish the project, we’ll have to work hours a day.A. more twoB. two moreC. two another27. If you can’t decide which of the two books to borrow, why don’t you take ? I won’t read themthis week.A. allB. eitherC. both28. —Do you have any problems if you five minutes to read?—Well, I’m thinking about the new words. There are too many.A. giveB. are givenC. will be given29. The digital camera it very popular, but some still too much.A. costB. spendC. pay30. —Have you got any idea for the summer vacation?—I don’t mind . It will be OK if there is sun, sea and beach.A. where do we goB. where we goC. when we go31. —It’s a top secret.—Yes, I see. I will keep the secret you and me.A. withB. amongC. between32.—- Which do you like ______, summer or winter? —I’d prefer winter.A better B. best C. good D. well33. Excuse me, would you mind _______ your voice down, please?A. to keepB. keepingC. keepD. kept34. I’m not sure when the plane will __________ and when it will land.A. take offB. run offC. open upD. stay up35. Hurry up! If we miss ____ last bus, we’ll have to get home by _____taxi.A. a;不填B. the; aC. the;不填D. a; a36. When I called the bus service, I _______ that there was no more bus.A. was tellingB. was toldC. has toldD. had told37. School students _______ smoke because it is against the school rules.A needn’t B. couldn’t C. won’t D. mustn’t38. Please tell me the truth, _______ I can decide how to help you next step.A. soB. orC. butD. for39.You were ________ to close the windows. Why were you so careless?A. allowedB. believeC. supposedD. caused40.—-Hey, July.—- ____________?—- I need your help.A. Oh, reallyB. What’s upC. How are youD. All right41. Linda has bought a large house _______ a swimming pool.A with B. in C. on D. from42. I hope Tim can come to my birthday party. Then we ____ a much happier time.A. haveB. hadC. will haveD. have had43. —- What about going to the South Lake for a picnic next weekend?—- OK. But I’m not sure _______ it will rain.A. whyB. whereC. whenD. whether44. David suddenly felt nervous. ___________, it was his first time to go on stage.A. At leastB. After allC. At onceD. At all45. We make it a rule that each of us _________ the bedroom one day a week.A. has cleanedB. have cleanedC. cleansD. clean46. _________ this rock music, please. I’m afraid some people can’t stand the noise!A Stopping B. stop C. Stops D. Stopped47. Everyone in the hall knew me, but I did not know ________.A. himB. herC. themD. those48. _____I was in the US, I made a lot of American friends.A. whileB. AlthoughC. UnlessD. Until49. I began watching here an hour ago, but now nothing ________ yet.A. happensB. will happenC. happenedD. has happened50. I can never forget the stories ________ my grandma told me.A. whatB. whoC. themD. that51. –Mom，I have done a good job in today's exam.—Wonderful! That's a good_____. Come on, and you will do better in the following exams.A. startB. informationC. messageD. idea52. Mike, _____ iPad is on the bed, but where is_______?A. hers; hisB. your; mineC. yourself; himD. her; your53. He is so poor. The________ thing is a black and white TV set in his house.A cheapest B. cheaper C. most expensive D. more expensive54. —I wonder how you have improved your spoken English so fast, Li Lei.—________ chatting with my foreign friend, Mike. He's been here for some time, you know.A. ByB. WithC. InD. On55. He began to like ____________ music from very early age, and __________ music of the TV play A Step Into the Past（《寻秦记》）was created by him.A. the；theB. a；theC.不填；theD. 不填；不填56. —When can 1 see Tom?—He is watching an English film. It began at 8, and __________ on for another 30 minutes.A. has beenB. wasC. had beenD. will be57. The little girl comes to the Children's Palace _________ the guitar on Sundays.A. practicing to playB. to practice to playC. to practice playingD. practices playing58. It always ____the old man one hour to walk in Daqian Park after supper, which makes him healthy.A. costsB. paysC. spendsD.takes59. We should choose a healthy life style, _______ a low carbon(低碳) life.A. recentlyB. nearlyC. hardlyD. especially60. The monitor had _________ the test papers before the teacher came into the classroom.A. given outB. given upC. got overD. got along with61. Mrs. Li has never been to the top of Mt Emei to see the sunrise since Mr. Li left Emei city, ______?A. hasn't sheB. didn't heC. has sheD. did he62. Gorge asked me when he passed by just now_______.A. what time did the film beginB. where Tom had goneC. whether have 1 finished the reportD. how 1 will go to Chengdu63. Li Lei realized __________ necessary for him to get up early to do some exercise for he found he was getting fatter and fatter.A. itB. thatC. oneD. this64. —Excuse me. Could I get into the room to get my book back?— __________, but no one except the head master is allowed to enter it from yesterday on.A. Of course, go aheadB. All rightC. I'm sorryD. Never mind65. —Oh, he_________ be Li Ming. I know him well.—No, it _________ be him. He's gone to Neijiang for a meeting.A. can; doesn't have toB. must; can'tC. need; mustn'tD. may; may not66. He was reading yesterday's China Daily_________ he was wanted on the phone.A. asB. afterC. whileD. when67._____ _____ is going to see the film Titanic again because this year marks the 100 years since the Titanic sank(沉没) in the ocean.A. Not only Lily but also her parentsB. Lily, with her parents,C. Both Ben and DianaD. Neither Ben nor Diana68. A professor(教授) from a university ________ is tired of the city life has moved up to a high mountain.A. whoB. whichC. whomD. where69. Sarah's father is wondering if he_ to the airport to meet her when she________ there.A. will go; arrivesB. goes; arrivesC. has gone; will arriveD. is going; arrived70. —________do you call your parents ?—Very of ten, and each time, five minutes.A. WhenB. How longC. How manyD. How often71. 请选出含/id/发音的单词：________A. wantedB. laughedC. lived72. "You can't have them all. You can choose the kite the toycar," said the mother.A. either; orB. not only; but alsoC. both; and73. — I hear your friend is visiting San Ya again. Is it the second time for him?— Yes, and he will come for time next spring.A. a thirdB. a secondC. the third74. — Li Na won the tennis championship in the French Open on June 4, 2011.— We take pride in her. She is the first Asian professional tennis player to win it.选出意思与划线部分相同的选项：A. are interested inB. are terrified ofC. are proud of75. -You aren't a student now, are you?—, don't you remember me in the classroom ten minutes ago?A. No; seeingB. Yes; seeingC. No; to see76. —When are you going to have your hair ?—This afternoon.A. cutB. to cutC. cutting77. It will be if you buy a return ticket on the train when you travel inEngland.A. much cheapB. more cheaplyC. much cheaper78. I think teenagers should drive. They are not serious enough.A. be allowed toB. not be allowed toC. not allow to79. —Can you tell me ?— By doing more exercises and speaking.A. how I can improve my EnglishB. how do I deal with my EnglishC. what's wrong with my English80. —Have you heard that some bad thing would happen in 2012?—Don't worry! The news be true.A. mustn'tB. may notC. needn't81. You should keep the window because the room is too hot.A. openB. openingC. opened82. Did you find very interesting to play volleyball?A. thisB. thatC. it83. — How soon can you finish this job?— Two days enough for me to finish the work. I need a week.A. isn'tB. aren'tC. is84. They have got such a table.A. round wooden brownB. round brown woodenC. brown round wooden85. — What's your favorite ?— Summer. Because I can swim in rivers.A. seasonB. subjectC. music86.—You are on the phone, Mary.— Yes, mum. .A. wanted; I'm comingB. called; I'm comingC. needed; I'll come87. — A subway will be built in our hometown before 2015.—! Will it pass my house?A. What an excited newsB. What exciting newsC. How exciting news88. — Jackie Chan has donated dollars to charity.— He is an example to us all.A. thousandB. thousands ofC. thousand of89. — Who also did this wonderful job, Uncle Wang?— It's .A. meB. IC. my90. Which of the following is caused by the earth's turning around the sun?A. The rising and setting (落下) of the sun and moon.B. The change of spring, summer, autumn and winter of the year.C. The change of the day and night.91. I think it's not polite to laugh others.A. inB. atC. over92. Your father used to eat meal, ?A. did youB. didn't youC. didn't he93. Practicing in groups is good _ _ us to learn English.A, at B. in C. for94. Don't up English. It's very important.A. giveB. hurry C, stay95. What would happen if he _ _ back h ome?A. goB. goesC. went96, It’s quite exciting me _ _ the Internet.A. for, surfB. for, to surfC. for, for surf97.—Is this your e-dictionary?—No, is in the backpack,A. mineB. yoursC. my98.—Math is too difficult, I nearly give it up.—Please don't, nothing is if you put your heart into it.A. importantB. impossibleC. interesting99. — _ _ weather! It's raining!—Bad luck! We can't go climbing today.A. What badB. How badC. What fine 100. I think should not he allowed to drive.A. sixteen years oldB. sixteen-year-oldC. sixteen-year-oldsKey : 历年中考真题选择题专练及答案（二）1. A2. A 3 .B 4. C 5. A6. C7. B8. A9. B 10.C11.A 12..B 13.B 14.C15.A16.C 17.A 18.A 19.B 20.C21.A 22.C 23.B 24.B 25.A26.B 27.C 28.B 29.A 30.B31.C 32.A 33.B 34.A 35.C36.B 37.D 38.A 39.C 40.B41.A 42.C 43.D 44.B 45.C46.B 47.C 48.A 49.D 50.D51.A 52.B 53.C 54.A 55.C56.D 57.C 58.D 59.D 60.A61.C 62.B 63.A 64.C 65.B66.D 67.B 68.A 69.A 70.D71.A 72.A 73.A 74.C 75.B76.A 77.C 78.B 79.A 80.B81.A 82.C 83.A 84.B 85.A86.A 87.B 88.B 89.A 90.B91. B 92.C 93.C 94.A 95.C96. B 97.A 98.B 99.A 100C。

专题01 字音字形字义辨析-语文专项训练试卷(解析版)(2)

专题01 字音字形字义（解析版）学校:___________姓名：___________班级：___________考号：___________一、选择题1．（2022·江苏苏州·五年级期末）下列加点字的注音完全正确．．．．的一项是（）A．提供．（gòng）明晃．晃（huǎng）发怔．发傻（zhèng）B．血泊．（pō）樱．桃树（yīn）跃．跃欲试（yüè）C．威吓．（xià）扳．手腕（bān）养尊处．优（chǔ）D．薄．弱（bó）景阳冈．（gāng）情不自禁．（jīn）【答案】D【详解】本题考查汉字读音的辨析。

在平时的学习中要注意把汉字读正确，这样才能选择正确的读音；字音是和词义联系起来的，也可结合词义来辨析。

A.提供（gòng）——gōng；B.樱桃树（yīn）——yīng；跃跃欲试（yüè）——yuè；C.威吓（xià）——hè；D.正确。

2．（2021·江苏盐城·五年级期末）画线字的注音有一项是错误的。

把它找出来，并将这一项的序号写在（）A．弓弩nú B．引荐jiàn C．血泊pōD．脚腕wàn【答案】A【详解】本题考查字音。

弓弩，拼音：gōng nǔ。

弓和弩，泛指弓箭故选A 。

3．（2021·江苏盐城·五年级期末）画线字的注音有一项是错误的。

把它找出来，并将这一项的序号写在（） A ．倭wō瓜 B ．船艄xiāoC ．擂léi 鼓D ．燕yān 园【答案】B【详解】本题考查字音。

船艄，读音：chuán shāo ，通常用指船尾。

故选B 。

4．（2021·江苏盐城·五年级期末）加点字的注音有一项是错误的。

把它找出来，并将这一项的序号写在（） A ．桅．wéi 杆 B ．威吓．xiàC ．哗．huá笑D ．吆．yāo 喝【答案】B【详解】本题考查对字音的辨析。

高考英语最新情态动词知识点专项训练解析附答案(2)

高考英语最新情态动词知识点专项训练解析附答案(2)一、选择题1．You ___________ a better mark, but you didn’t work hard.A．could have had B．would have had C．must have had D．must have 2．——I called you last night, but no one answered.——Sorry, I____________ sleeping.A．need have been B．would have been C．must have been D．should have been 3．You ______ feel all the training a waste of time, but I'm a hundred percent sure later you'll be grateful you did it.A．may B．can C．should D．would4．She is shy and ________ the teacher’s question.A．dares not answer B．doesn’t dare to answerC．dare not to answer D．dares not to answer5．If you behave well from now on, you ___ have an Apple Watch for your 18th birthday. A．will B．shall C．can D．must 6．According to the regulations, anyone who has the intention to be a teacher _______ pass a series of demanding tests.A．can B．would C．might D．shall7．—It’s so hot and uncomfortable here! Why are your windows still closed?—Oh, I’m not to blame. They ________ open.A．shan’t B．mustn’t C．won’t D．wouldn’t8．--Is Jack still in hospital?--Yes. He _________ the bad food.A．wouldn’t eat B．shouldn’t eatC．wouldn’t have eaten D．shouldn’t have eaten9．—I heard they went skiing in the mountains last winter.—It true because there was little snow there.A．may be not B．wo n’t be C．couldn’t be D．mustn’t be 10．Peter searched all the places where he________have left her iPad but it was all in vain. A．might B．would C．must D．should 11．Skills like critical thinking and analysis ________ be found on the Internet, because they must be acquired in the context of facts.A．can’t B．needn’t C．mustn’t D．shouldn’t 12．—Look at these tracks. It ________ be a wolf. I’m sure about it.—You are right! We have to be careful.A．may B．must C．can’t D．shouldn’t13．It ___________ last night, for the road was very muddy.A．would have rained B．must have rained C．should have rained D．must rain 14．He did not regret saying what he did but felt that he _________ it differently.A．could express B．would expressC．could have expressed D．must have expressed15．More and more countries have come to realize that the world____ do without Huawei and its "more advanced" technology.A．can’t B．needn’t C．mustn’t D．shouldn't 16．One of our rules is that every student _______ wear school uniform while at school. A．might B．couldC．shall D．will17．— Did Bob take the job in the supermarket? — No, but I think he _________.A．will have B．may have C．should have D．must have 18．It’s nearly 7 o’clock. Jack ____________ be here at any moment.A．shall B．had toC．ought to D．have to19．We lost our way in that small village, otherwise we ________more places of interest yesterday.A．visited B．had visitedC．would visit D．would have visited20．—Jane, why don’t you take a bite of the chocolate?—Well, I am on diet, if you __________know.A．must B．shall C．would D．could21．As you worked late last night, you __________ have come this morning.A．may not B．can’t C．mustn’t D．needn’t22．It was so noisy that we hear ourselves speak.A．couldn’t B．shouldn’tC．mustn’t D．needn’t23．The heavy rain may ______ the landslide last night.A．accounts for B．accounted forC．have accounted for D．accounting for24．You________have scolded him for his poor performance.After all,he had done his best. A．wouldn’t B．couldn’t C．mustn’t D．shouldn’t 25．Hurry up! Tom _______ for us at the gate.A．must wait B．must be waitingC．can be waiting D．must have waited【参考答案】***试卷处理标记，请不要删除一、选择题1．A解析：A【解析】考查情态动词+have done。

高考数学的数列的概念选择题专项训练附答案(2)

高考数学的数列的概念选择题专项训练附答案(2)一、数列的概念选择题1．在数列{}n a 中，11a =，()*122,21n n a n n N a -=≥∈-，则3a =（）A ．6B ．2C ．23 D ．211答案：C解析：C 【分析】利用数列的递推公式逐项计算可得3a 的值. 【详解】()*122,21n n a n n N a -=≥∈-，11a =，212221a a ∴==-，3222213a a ==-. 故选：C. 【点睛】本题考查利用数列的递推公式写出数列中的项，考查计算能力，属于基础题.2．公元13世纪意大利数学家斐波那契在自己的著作《算盘书》中记载着这样一个数列：1，1，2，3，5，8，13，21，34，…满足21(1),n n n a a a n ++=+≥那么24620201a a a a +++++=（）A ．2021aB ．2022aC ．2023aD ．2024a答案：A解析：A 【分析】根据数列的递推关系式即可求解. 【详解】由21(1),n n n a a a n ++=+≥ 则2462020246210201a a a a a a a a a +++++++++=+3462020562020201920202021a a a a a a a a a a =+++=+++=+=.故选：A3．在数列{}n a 中，11(1)1,2(2)nn n a a n a --==+≥，则3a =（） A ．0B ．53C ．73D ．3答案：B解析：B 【分析】由数列的递推关系式以及11a =求出2a ，进而得出3a ．【详解】11a =，21123a a ∴=+=，321523a a -=+= 故选：B4．已知lg3≈0.477，[x ]表示不大于x 的最大整数.设S n 为数列{a n }的前n 项和，a 1＝2且S n +1＝3S n -2n +2，则[lg(a 100-1)]＝（） A ．45B ．46C ．47D ．48答案：C解析：C 【分析】利用数列的递推式，得到a n +1＝3a n -2，进而得到a n ＝3n -1+1，然后代入[lg(a 100-1)]可求解【详解】当n ≥2时，S n ＝3S n -1-2n +4，则a n +1＝3a n -2，于是a n +1-1＝3(a n -1)，当n ＝1时，S 2＝3S 1-2+2＝6，所以a 2＝S 2-S 1＝4.此时a 2-1＝3(a 1-1)，则数列{a n -1}是首项为1，公比为3的等比数列.所以a n -1＝3n -1，即a n ＝3n -1+1，则a 100＝399+1，则lg(a 100-1)＝99lg3≈99×0.477＝47.223，故[lg(a 100-1)]＝47. 故选C5．已知数列{}n a 满足：113a =，1(1)21n n n a na n ++-=+，*n N ∈，则下列说法正确的是（） A ．1n n a a +≥ B ．1n n a a +≤C ．数列{}n a 的最小项为3a 和4aD ．数列{}n a 的最大项为3a 和4a答案：C解析：C 【分析】令n n b na =，由已知得121n n b b n +-=+运用累加法得2+12n b n =，从而可得12+n a n n =，作差得()()()+13+4+1n n a n n a n n -=-，从而可得12345>>n a a a a a a =<<<，由此可得选项. 【详解】令n n b na =，则121n n b b n +-=+，又113a =，所以113b =，213b b -=，325b b -=，，121n n b b n --=-，所以累加得()()213+2113++122nn n b n --==，所以2+1212+n nb n an n n n===，所以()()()()+13+41212+1+++1+1n n n n a a n n n n n n -⎛⎫-=-= ⎪⎝⎭，所以当3n <时，+1n n a a <，当3n =时，+1n n a a =，即34a a =，当>3n 时，+1>n n a a ，即12345>>n a a a a a a =<<<，所以数列{}n a 的最小项为3a 和4a ，故选：C. 【点睛】本题考查构造新数列，运用累加法求数列的通项，以及运用作差法判断差的正负得出数列的增减性，属于中档题.6．已知数列{}n a 满足11a =，122n n a a n n+=++，则10a =（） A ．259B ．145 C ．3111D ．176答案：B解析：B 【分析】由122n n a a n n +=++转化为11121n n a a n n +⎛⎫-=- ⎪+⎝⎭，利用叠加法，求得23na n =-，即可求解. 【详解】由122n n a a n n +=++，可得12112(1)1n n a a n n n n +⎛⎫-==- ⎪++⎝⎭，所以()()()()11223211n n n n n n n a a a a a a a a a a -----=-+-+-++-+11111111222*********n n n n n n ⎛⎫⎛⎫⎛⎫⎛⎫=-+-+-++-+ ⎪ ⎪ ⎪ ⎪-----⎝⎭⎝⎭⎝⎭⎝⎭122113n n ⎛⎫=-+=- ⎪⎝⎭，所以102143105a =-=. 故选：B. 【点睛】数列的通项公式的常见求法：1、对于递推关系式可转化为1()n n a a f n +-=的数列，通常采用叠加法（逐差相加法）求其通项公式；2、对于递推关系式可转化为1()n na f n a +=的数列，并且容易求数列{()}f n 前n 项积时，通常采用累乘法求其通项公式； 3、对于递推关系式形如1n n a pa q +=+的数列，可采用构造法求解数列的通项公式.7．设n a 表示421167n n +的个位数字，则数列{}n a 的第38项至第69项之和383969a a a ++⋅⋅⋅+=（）A ．180B ．160C ．150D ．140答案：B解析：B 【分析】根据题意可得n a 为421167n n +的个位数为27n n +的个位数，而2n 的个位是以2,4,8,6为周期，7n 的个位数是以7,9,3,1为周期，即可求和. 【详解】由n a 为421167n n +的个位数，可得n a 为27n n +的个位数，而2n 的个位是以2,4,8,6为周期，7n 的个位数是以7,9,3,1为周期，所以27n n +的个位数是以9,3,1,7为周期，即421167n n +的个位数是以9,3,1,7为周期，第38项至第69项共32项，共8个周期，所以383969a a a ++⋅⋅⋅+=8(9317)160⨯+++=. 故选：B8．已知数列{}n a 的首项为1，第2项为3，前n 项和为n S ，当整数1n >时，1112()nnn S S S S 恒成立，则15S 等于（）A ．210B ．211C ．224D ．225答案：D解析：D 【分析】利用已知条件转化推出1122n n a a a +-==，说明数列是等差数列，然后求解数列的和即可．【详解】解：结合1112()nnn S S S S 可知，11122n n n S S S a +-+-=，得到1122n n a a a +-==，故数列{}n a 为首项为1，公差为2的等差数列，则12(1)21n a n n =+-=-，所以1529a =，所以11515()15(291)1522522a a S ++===，故选：D ．【点睛】本题考查数列的递推关系式的应用，考查数列求和，是基本知识的考查．9．在数列{}n a 中，()1111,1(2)nn n a a n a --==+≥，则5a 等于A ．32B ．53 C ．85D ．23答案：D解析：D 【解析】分析：已知1a 逐一求解2345122323a a a a ====，，，．详解：已知1a 逐一求解2345122323a a a a ====，，，．故选D 点睛：对于含有()1n-的数列，我们看作摆动数列，往往逐一列举出来观察前面有限项的规律．10．数列{}n a 满足 112a =，111n n a a +=-，则2018a 等于( )A ．12B ．－1C ．2D ．3答案：B解析：B 【分析】先通过列举找到数列的周期，再求2018a . 【详解】n=1时，234511121,1(1)2,1,121,22a a a a =-=-=--==-==-=- 所以数列的周期是3，所以2018(36722)21a a a ⨯+===-. 故选：B 【点睛】本题主要考查数列的递推公式和数列的周期，意在考查学生对这些知识的掌握水平和分析推理能力.11．在数列{}n a 中，已知11a =，25a =，()*21n n n a a a n N ++=-∈，则5a 等于（）A ．4-B ．5-C ．4D ．5答案：B解析：B 【分析】根据已知递推条件()*21n n n a a a n N ++=-∈即可求得5a【详解】由()*21n n n a a a n N++=-∈知：3214a a a 4321a a a 5435a a a故选：B 【点睛】本题考查了利用数列的递推关系求项，属于简单题 12．数列{}n a 中，11a =，12n n a a n +=+，则n a =（） A ．2n n 1-+B ．21n +C ．2(1)1n -+D ．2n答案：A解析：A 【分析】由题意，根据累加法，即可求出结果. 【详解】因为12n n a a n +=+，所以12n n a a n +-=，因此212a a -=，324a a -=，436a a -=，…，()121n n a a n --=-，以上各式相加得：()()()21246.1221..212n n n a a n n n ⎡⎤-+-⎣⎦-=+++==+--，又11a =，所以21n a n n =-+.故选：A. 【点睛】本题主要考查累加法求数列的通项，属于基础题型. 13．已知数列{}n a 满足1n n n a a +-=，则20201a a -=（） A ．20201010⨯B ．20191010⨯C ．20202020⨯D ．20192019⨯答案：B解析：B 【分析】由题意可得211a a -=，322a a -=，433a a -=，……202020192019a a -=，再将这2019个式子相加得到结论. 【详解】由题意可知211a a -=，322a a -=，433a a -=，……202020192019a a -=，这2019个式子相加可得()20201201912019123 (2019201910102)a a +-=++++==⨯.故选：B. 【点睛】本题考查累加法，重点考查计算能力，属于基础题型. 14．已知数列22333311313571351,,,,,,,...,,,, (2222222222)nn n ，则该数列第2019项是（） A ．1019892 B ．1020192C ．1119892D ．1120192 答案：C解析：C 【分析】由观察可得()22333311313571351,,,,,,,...,,,,...2222222222n n n ⎛⎫⎛⎫⎛⎫⎛⎫⎪ ⎪⎪ ⎪⎝⎭⎝⎭⎝⎭⎝⎭项数为21,1,2,4,8,...,2,...k -，注意到101110242201922048=<<=，第2019项是第12个括号里的第995项. 【详解】由数列()22333311313571351,,,,,,,...,,,,...2222222222n n n ⎛⎫⎛⎫⎛⎫⎛⎫⎪ ⎪⎪ ⎪⎝⎭⎝⎭⎝⎭⎝⎭，可发现其项数为 21,1,2,4,8,...,2,...k -，则前11个括号里共有1024项，前12个括号里共有2048项，故原数列第2019项是第12个括号里的第995项，第12个括号里的数列通项为11212m -，所以第12个括号里的第995项是1119892. 故选：C. 【点睛】本题考查数列的定义，考查学生观察找出已知数列的特征归纳出其项数、通项，是一道中档题.15．已知数列{}n a 满足: 12a =，111n na a +=-，设数列{}n a 的前n 项和为n S ，则2017S =（） A ．1007B ．1008C ．1009.5D ．1010答案：D解析：D 【分析】根据题设条件，可得数列{}n a 是以3为周期的数列，且3132122S =+-=，从而求得2017S 的值，得到答案. 【详解】由题意，数列{}n a 满足: 12a =，111n na a +=-，可得234111,121,1(1)2,22a a a =-==-=-=--=，可得数列{}n a 是以3为周期的数列，且3132122S =+-= 所以20173672210102S =⨯+=. 故选：D. 【点睛】本题主要考查了数列的递推公式的应用，其中解答中得出数列{}n a 是以3为周期的数列，是解答的关键，着重考查了推理与运算能力，属于中档试题.二、数列多选题16．已知数列{}n a 满足()*111n na n N a +=-∈，且12a =，则（） A ．31a =- B ．201912a =C ．332S =D ． 2 01920192S =答案：ACD 【分析】先计算出数列的前几项，判断AC ，然后再寻找规律判断BD ．【详解】由题意，，A 正确，，C 正确；，∴数列是周期数列，周期为3．，B 错；，D 正确．故选：ACD ．【点睛】本解析：ACD 【分析】先计算出数列的前几项，判断AC ，然后再寻找规律判断BD ．【详解】由题意211122a =-=，311112a =-=-，A 正确，3132122S =+-=，C 正确；41121a =-=-，∴数列{}n a 是周期数列，周期为3．2019367331a a a ⨯===-，B 错；20193201967322S =⨯=，D 正确．故选：ACD ．【点睛】本题考查由数列的递推式求数列的项与和，解题关键是求出数列的前几项后归纳出数列的性质：周期性，然后利用周期函数的定义求解．17．意大利著名数学家斐波那契在研究兔子繁殖问题时，发现有这样一列数：1，1，2，3，5，….，其中从第三项起，每个数等于它前面两个数的和，后来人们把这样的一列数组成的数列{}n a 称为“斐波那契数列”，记n S 为数列{}n a 的前n 项和，则下列结论正确的是（） A ．68a =B ．733S =C ．135********a a a a a +++⋅⋅⋅+=D ．22212201920202019a a a a a ++⋅⋅⋅⋅⋅⋅+= 答案：ABCD 【分析】由题意可得数列满足递推关系，对照四个选项可得正确答案. 【详解】对A ，写出数列的前6项为，故A 正确；对B ，，故B 正确；对C ，由，，，……，，可得：.故是斐波那契数列中的第解析：ABCD 【分析】由题意可得数列{}n a 满足递推关系12211,1,(3)n n n a a a a a n --===+≥，对照四个选项可得正确答案. 【详解】对A ，写出数列的前6项为1,1,2,3,5,8，故A 正确；对B ，71123581333S =++++++=，故B 正确；对C ，由12a a =，342a a a =-，564a a a =-，……，201920202018a a a =-，可得：135********a a a a a +++⋅⋅⋅+=.故1352019a a a a +++⋅⋅⋅+是斐波那契数列中的第2020项.对D ，斐波那契数列总有21n n n a a a ++=+，则2121a a a =，()222312321a a a a a a a a =-=-，()233423423a a a a a a a a =-=-，……，()220182018201920172018201920172018a a a a a a a a =-=-，220192019202020192018a a a a a =-2222123201920192020a a a a a a +++⋅⋅⋅⋅⋅⋅+=，故D 正确；故选：ABCD. 【点睛】本题以“斐波那契数列”为背景，考查数列的递推关系及性质，考查方程思想、转化与化归思想，考查逻辑推理能力和运算求解能力，求解时注意递推关系的灵活转换.18．已知等差数列{}n a 的公差0d ≠，前n 项和为n S ，若612S S =，则下列结论中正确的有（） A ．1:17:2a d =-B ．180S =C ．当0d >时，6140a a +>D ．当0d <时，614a a >答案：ABC 【分析】因为是等差数列，由可得，利用通项转化为和即可判断选项A ；利用前项和公式以及等差数列的性质即可判断选项B ；利用等差数列的性质即可判断选项C ；由可得且，即可判断选项D ，进而得出正确选项解析：ABC 【分析】因为{}n a 是等差数列，由612S S =可得9100a a +=，利用通项转化为1a 和d 即可判断选项A ；利用前n 项和公式以及等差数列的性质即可判断选项B ；利用等差数列的性质961014a d a a d a =++=+即可判断选项C ；由0d <可得6140a a d +=<且60a >，140a <即可判断选项D ，进而得出正确选项.【详解】因为{}n a 是等差数列，前n 项和为n S ，由612S S =得：1267891011120S S a a a a a a -=+++++=，即()91030a a +=，即9100a a +=，对于选项A ：由9100a a +=得12170a d +=，可得1:17:2a d =-，故选项A 正确；对于选项B ：()()118910181818022a a a a S ++===，故选项B 正确；对于选项C ：911691014a a a a a a d d =+=++=+，若0d >，则6140a a d +=>，故选项C 正确；对于选项D ：当0d <时，6140a a d +=<，则614a a <-，因为0d <，所以60a >，140a <，所以614a a <，故选项D 不正确，故选：ABC 【点睛】关键点点睛：本题的关键点是由612S S =得出9100a a +=，熟记等差数列的前n 项和公式和通项公式，灵活运用等差数列的性质即可.19．等差数列{}n a 的前n 项和为n S ，1385a a S +=，则下列结论一定正确的是（） A ．100a = B ．911a a = C ．当9n =或10时，n S 取得最大值D ．613S S =答案：ABD 【分析】由题意利用等差数列的通项公式、求和公式可得，结合等差数列的性质，逐一判断即可得出结论．【详解】∵等差数列的前项和为，， ∴，解得，故，故A 正确；∵，，故有，故B 正确；该数解析：ABD 【分析】由题意利用等差数列的通项公式、求和公式可得19a d =-，结合等差数列的性质，逐一判断即可得出结论．【详解】∵等差数列{}n a 的前n 项和为n S ，1385a a S +=， ∴()111875282a a d a d ⨯++=+，解得19a d =-，故10190a a d =+=，故A 正确；∵918a a d d d =+=-=，11110a a d d =+=，故有911a a =，故B 正确；该数列的前n 项和()21119222n n n n S na d d d n -=+=-⋅ ，它的最值，还跟d 的值有关，故C 错误；由于61656392S a d d ⨯=+=-，131131213392S a d d ⨯=+=-，故613S S =，故D 正确，故选：ABD. 【点睛】思路点睛：利用等差数列的通项公式以及前n 项和公式进行化简，直接根据性质判断结果.20．已知数列{}n a 满足：12a =，当2n ≥时，)212n a =-，则关于数列{}n a 的说法正确的是（）A ．27a =B ．数列{}n a 为递增数列C ．221n a n n =+-D ．数列{}n a 为周期数列答案：ABC 【分析】由，变形得到，再利用等差数列的定义求得，然后逐项判断. 【详解】当时，由，得，即，又，所以是以2为首项，以1为公差的等差数列，所以，即，故C 正确；所以，故A 正确；，解析：ABC 【分析】由)212n a =-1=，再利用等差数列的定义求得n a ，然后逐项判断. 【详解】当2n ≥时，由)212n a =-，得)221n a +=，1=，又12a =，所以是以2为首项，以1为公差的等差数列，2(1)11n n =+-⨯=+，即221n a n n =+-，故C 正确；所以27a =，故A 正确；()212n a n =+-，所以{}n a 为递增数列，故正确；数列{}n a 不具有周期性，故D 错误；故选：ABC21．首项为正数，公差不为0的等差数列{}n a ，其前n 项和为n S ，则下列4个命题中正确的有（）A ．若100S =，则50a >，60a <；B ．若412S S =，则使0n S >的最大的n 为15；C ．若150S >，160S <，则{}n S 中7S 最大；D ．若89S S <，则78S S <.答案：ABD 【分析】利用等差数列的求和公式及等差数列的性质，逐一检验选项，即可得答案. 【详解】对于A ：因为正数，公差不为0，且，所以公差，所以，即，根据等差数列的性质可得，又，所以，，故A 正解析：ABD 【分析】利用等差数列的求和公式及等差数列的性质，逐一检验选项，即可得答案. 【详解】对于A ：因为正数，公差不为0，且100S =，所以公差0d <，所以1101010()02a a S +==，即1100a a +=，根据等差数列的性质可得561100a a a a +=+=，又0d <，所以50a >，60a <，故A 正确；对于B ：因为412S S =，则1240S S -=，所以561112894()0a a a a a a ++⋅⋅⋅++=+=，又10a >，所以890,0a a ><，所以115815815()15215022a a a S a +⨯===>，116891616()16()022a a a a S ++===，所以使0n S >的最大的n 为15，故B 正确；对于C ：因为115815815()15215022a a a S a +⨯===>，则80a >， 116891616()16()022a a a a S ++===，则890a a +=，即90a <，所以则{}n S 中8S 最大，故C 错误；对于D ：因为89S S <，则9980S a S =->，又10a >，所以8870a S S =->，即87S S >，故D 正确，故选：ABD 【点睛】解题的关键是先判断d 的正负，再根据等差数列的性质，对求和公式进行变形，求得项的正负，再分析和判断，考查等差数列性质的灵活应用，属中档题. 22．设d 为正项等差数列{}n a 的公差，若0d >，32a =，则（） A ．244a a ⋅<B ．224154a a +≥C ．15111a a +> D ．1524a a a a ⋅>⋅答案：ABC 【分析】由已知求得公差的范围：，把各选项中的项全部用表示，并根据判断各选项．【详解】由题知，只需，，A 正确；，B 正确；，C 正确；，所以，D 错误. 【点睛】本题考查等差数列的性解析：ABC 【分析】由已知求得公差d 的范围：01d <<，把各选项中的项全部用d 表示，并根据01d <<判断各选项．【详解】由题知，只需1220010a d d d =->⎧⇒<<⎨>⎩， ()()2242244a a d d d ⋅=-⋅+=-<，A 正确；()()2222415223644a a d d d d +=-++=-+>≥，B 正确； 21511111122221a a d d d +=+=>-+-，C 正确； ()()()()2152422222230a a a a d d d d d ⋅-⋅=-⋅+--⋅+=-<，所以1524a a a a ⋅<⋅，D 错误. 【点睛】本题考查等差数列的性质，解题方法是由已知确定d 的范围，由通项公式写出各项（用d 表示）后，可判断．23．定义11222n nn a a a H n-+++=为数列{}n a 的“优值”.已知某数列{}n a 的“优值”2nn H =，前n 项和为n S ，则（）A ．数列{}n a 为等差数列B ．数列{}n a 为等比数列C ．2020202320202S = D ．2S ，4S ，6S 成等差数列答案：AC 【分析】由题意可知，即，则时，，可求解出，易知是等差数列，则A 正确，然后利用等差数列的前n 项和公式求出，判断C ，D 的正误. 【详解】解：由，得，所以时，，得时，，即时，，当时，由解析：AC 【分析】由题意可知112222n n nn a a a H n-+++==，即112222n n n a a a n -+++=⋅，则2n ≥时，()()111221212n n n n n a n n n ---=⋅--⋅=+⋅，可求解出1n a n =+，易知{}n a 是等差数列，则A 正确，然后利用等差数列的前n 项和公式求出n S ，判断C ，D 的正误. 【详解】解：由112222n n nn a a a H n-+++==，得112222n n n a a a n -+++=⋅，①所以2n ≥时，()211212212n n n a a a n ---+++=-⋅，②得2n ≥时，()()111221212n n n n n a n n n ---=⋅--⋅=+⋅，即2n ≥时，1n a n =+，当1n =时，由①知12a =，满足1n a n =+．所以数列{}n a 是首项为2，公差为1的等差数列，故A 正确，B 错，所以()32n n n S +=，所以2020202320202S =，故C 正确．25S =，414S =，627S =，故D 错，故选：AC ．【点睛】本题考查数列的新定义问题，考查数列通项公式的求解及前n 项和的求解，难度一般. 24．设等差数列{}n a 的前n 项和为n S ，若39S =，47a =，则（）A ．2n S n =B ．223n S n n =-C ．21n a n =-D ．35n a n =-答案：AC 【分析】利用等差数列的前项和公式、通项公式列出方程组，求出，，由此能求出与．【详解】等差数列的前项和为．，，，解得，，．故选：AC ．【点睛】本题考查等差数列的通项公式求和公解析：AC 【分析】利用等差数列{}n a 的前n 项和公式、通项公式列出方程组，求出11a =，2d =，由此能求出n a 与n S ．【详解】等差数列{}n a 的前n 项和为n S ．39S =，47a =，∴31413239237S a d a a d ⨯⎧=+=⎪⎨⎪=+=⎩，解得11a =，2d =，1(1)221n a n n ∴+-⨯=-=．()21212n n n S n +-==故选：AC ．【点睛】本题考查等差数列的通项公式求和公式的应用，考查等差数列的性质等基础知识，考查运算求解能力，是基础题．25．已知数列{}n a 是递增的等差数列，5105a a +=，6914a a ⋅=-．12n n n n b a a a ++=⋅⋅，数列{}n b 的前n 项和为n T ，下列结论正确的是（）A ．320n a n =-B ．325n a n =-+C ．当4n =时，n T 取最小值D ．当6n =时，n T 取最小值答案：AC 【分析】由已知求出数列的首项与公差，得到通项公式判断与；再求出，由的项分析的最小值．【详解】解：在递增的等差数列中，由，得，又，联立解得，，则，．．故正确，错误；可得数列的解析：AC 【分析】由已知求出数列{}n a 的首项与公差，得到通项公式判断A 与B ；再求出n T ，由{}n b 的项分析n T 的最小值．【详解】解：在递增的等差数列{}n a 中，由5105a a +=，得695a a +=，又6914a a =-，联立解得62a =-，97a =，则967(2)3963a a d ---===-，16525317a a d =-=--⨯=-． 173(1)320n a n n ∴=-+-=-．故A 正确，B 错误；12(320)(317)(314)n n n n b a a a n n n ++==---可得数列{}n b 的前4项为负，第5项为正，第六项为负，第六项以后均为正．而5610820b b +=-=>．∴当4n =时，n T 取最小值，故C 正确，D 错误．故选：AC ．【点睛】本题考查等差数列的通项公式，考查数列的求和，考查分析问题与解决问题的能力，属于中档题．。

专项训练必修部分选择题第二章信息获取(信息技术基础)

专项训练必修部分选择题第二章信息获取班级学号姓名1、要想熟练地在因特网上查找资料，应该学会使用( )。

A.FTP服务B. 电子邮件C.网页制作D. 搜索引擎2、关于获取信息的方法，下面说法正确的是( )。

A. 利用网络获取信息是最好的方法B. 电子邮件C. 应根据实际情况D.信息交流3、获取信息的来源决定了信息的可靠程度，下列信息来源中哪一种获得的信息最可靠？( )A. 朋友、同学B.因特网C.亲自进行科学实验D.报刊杂志4、小明急需查一本书中的内容，按最佳方案，他第一个应选择的方式是(A )。

A. 到书店的电脑查询系统上查找并购买B.找同学咨询，到指定书店购买C.找书店营业员咨询并购买D. 到因特网上查找能否下载此书中的内容5、下列信息来源属于文献型信息源的是（）A、图书B、同学C、老师D、网络6、一同学要搜索歌曲“Yesterday Once More”，他访问Google搜索引擎，键入关键词( )，搜索范围更为有效。

A.“Yesterdav”B.“0nce”C. “More”D. Yesterday Once More7、下列说法正确的是( )。

A.搜索引擎按其工作方式可划分为蜘蛛程序和机器人B.目录索引类搜索引擎的使用方法称为“关键词查询”C. C.全文搜索方式又被称为分类搜索D. 搜索引擎按其工作方式可划分为全文搜索引擎和目录搜索引擎8、使用全文搜索引擎（如Google）进行搜索时，关键词“综合性大学not 上海”表示（）。

A.上海的非综合性大学B. 上海的综合性大学C. 不包括上海的综合性大学D.上海和综合性大学9、下列各软件中不属于搜索类软件的有( ) A.北大天网B. Windows C.Sina D. Yahoo10、我们会把自己喜爱并且经常浏览的网站地址存放在浏览器的( )。

A. 收藏夹B.标题栏C. 电子邮箱D.状态栏11、下列说法正确的是( )。

A.FTP下载工具能自动登录FTP服务器快速浏览文件目录,多服务器、多文件下载B.流媒体下载工具将完整的影音文件变为影音片段C.网站下载工具可下载任意网站的全部文件D. D.通用下载工具不支持文件的批量下载12、关于网上信息下载，下列说法中正确的是( )。

专题2地球的运动(专项训练)(原卷版+解析)

聚焦·2022·中考地理·一轮复习专题2 地球的运动（专项训练）班级姓名一、选择题1．下面四幅图中，地球自转方向正确的是（）A．B．C．D．某班学生在学习地球自转时，运用地球仪做了一个演示实验。

阅读演示实验示意图，完成下面2-4小题。

2．关于实验的说法，错误的是（）A．地球仪绕着A所表示的地轴旋转B．地球仪自转的方向是自西向东C．图中乙的时间比甲早D．此时非洲正处在黑夜3．如图所示，下列说法正确的是（）A．此时意大利是炎热干燥的气候B．此时是去北极科考的最佳时机C．此时我们学校昼夜平分D．此时接近北半球的冬至日4．地球自转实验可以验证（）A．太阳直射点的移动 B．昼夜交替现象C．昼夜长短变化现象 D．四季变化2020年4月12日19时04分，我国实践十三号卫星在西昌卫星发射中心由长征三号乙运载火箭成功发射，这是我国首颗高通量通信卫星，通信总容量达20Gbs，超过我国已研制发射的通信卫星容量总和结合左图太阳直射点在北回归线周年往返路径示意图、右图光照图，完成下面5-6小题。

5．我国实践十三号卫星发射期间，武城县昼夜长短情况，及太阳直射点的位置叙述正确的是（）A．昼长夜短，①②之间B．昼短夜长，②③之间C．昼长夜短，③④之间D．昼短夜长，①②之间6．右图阴影表示黑夜，箭头表示地球自转方向，此时下列地理现象叙述正确的是（）A．武城县寒冷干燥B．南亚盛行东北季风 C．非洲好望角温和多雨D．地中海沿岸炎热多雨用手电筒的光线模拟太阳光照，演示地球运动及产生的地理现象，读图完成下列7-8小题。

7．按图中所示方向转动地球仪，可以演示（）①地球的自转方向②地球的公转方向③昼夜长短的变化④昼夜更替现象A．①②B．②③C．③④D．①④8．造成北京、东京时间差异，最主要的原因是（）①经度不同②纬度不同③地球自转④地球公转A．①③B．①④C．②③D．②④2020年1月24日晚8点，中央广播电视总台《2020年春节联欢晚会》如约而至，倾情上演了歌舞、小品、相声、戏曲、武术、魔术杂技等形式多样的节目，为观众们献上了一道精彩纷呈的精致文化大餐。

专项训练：最新初中历史新课程标准测试题选择专项训练含答案

专项训练：最新初中历史新课程标准测试题选择专项训练含答案最新初中历史课程标准测试题选择题专项训练（含答案）选择题（60道）一）单项选择题（每题1分，共50分）1.初中历史新课程标准由四个部分组成，即前言、内容标准、实施建议。

其中，实施建议包括教学建议和评价建议。

因此，选项C“课程目标”是正确答案。

2.历史课程的特性包括思想性、逻辑性和人文性。

因此，选项B“逻辑性”不属于历史课程特性，是错误答案。

3.历史新课标旨在培育具有爱国主义核心价值观的公民。

因此，选项C“爱国主义”是正确答案。

4.在新课程背景下，评价的主要目的是全面了解学生历史研究的过程和结果，激励学生研究，改善教师教学和提高教学质量。

因此，选项C“全面了解学生历史研究的过程和结果，激励学生研究，改善教师教学和提高教学质量”是正确答案。

5.初中历史课程标准要求学生掌握基本的历史知识，其中包括重要的历史人物、历史事件和历史现象，重要的历史概念，以及历史发展的基本线索。

因此，选项C“①③④”是正确答案。

6.在内容标准的陈述中使用“概述”“阐明”等行为动词的内容为层次要求，属于理解层次的要求。

因此，选项B“理解”是正确答案。

7.充分体现育人为本的教育理念，发挥历史学科的教育功能。

因此，选项A“育人为本”是正确答案。

8.历史教育对提高学生的人文素养有着重要作用。

因此，选项B“人文素养”是正确答案。

9.提倡教学方法、教学手段的多样化和现代化。

因此，选项B“多样化”是正确答案。

10.历史课程标准中的三维目标强调：我国的时代精神的核心是改革创新。

因此，选项C“改革创新”是正确答案。

11.引导学生学会研究，学会思考的核心是以转变学生的研究方式为核心。

因此，选项A“以转变学生的研究方式为核心”是正确答案。

12.历史课堂上鼓励学生在研究时进行独立思考和交流合作，培养学生提出问题和分析问题的能力，这是探究式教学方式的实践。

因此，选项B“探究式”是正确答案。

13.对历史课程资源的积极开发与充分利用，是历史教学顺利进行的基础条件。

高考英语最新状语从句知识点专项训练解析附答案(2)

高考英语最新状语从句知识点专项训练解析附答案(2)一、选择题1．I can’t figure out why some foreigners must go out_______staying at home is the safest way during the outbreak of the virus.A．until B．before C．unless D．when2．A Chinese company has created a new facial recognition system that can identify people______ they are wearing masks.A．provided that B．in case C．as though D．even if3．He differed _________ other people __________ he always looked further ahead in his work. A．from; in which B．from; in that C．with; in which D．with; in that4．All bad things must come to________end, ________ terrible an experience is.A．the; whatever B．an; however C．/; how D．a; what5．The basic model function of the hero seems to remain constant, ______ the precise qualities of hero may vary over time.A．in case B．as if C．so that D．even though6．I will try my best to get lo the station ahead of time ____ I have to walk all the way there. A．so that B．as though C．even if D．in case7．Just underwater grass floats on the surface if it loses its roots, a nation is lost without its memories.A．since B．while C．as D．when8．Mary rushed home______ she heard the news, only ______ that her husband was gone. A．as soon as; finding B．immediately; to findC．the moment; find D．when; found9．-I’d like to find a jo b in the library.-Good idea, ______ it doesn’t affect your studies.A．now that B．as soon as C．as long as D．even if10．Do not make complaints about being left out___you shy away from sharing your joys and sorrow with others.A．when B．unless C．once D．until11．I was so proud _______ my team won the ice hockey competition. It made me feel like I could achieve anything.A．while B．when C．before D．until12．______the damage is done, it will take many years for the farmland to recover.A．UntilB．UnlessC．OnceD．Although13．_____ you may meet, you should face the challenge bravely.A．However a serious problem B．What a serious problemC．However serious a problem D．What serious a problem14．It was not ________ she took off her glasses ________ I realized she was a famous filmA．when; that B．until; thatC．until; when D．when; then15．These masterpieces in the Louvre Museum reach out to us across the centuries ______ time itself were nothing.A．even if B．even though C．as though D．only if16．In the global economy, a new drug for cancer, ________ it is discovered, will create many economic possibilities around the world.A．whatever B．whoeverC．wherever D．whichever17．---I’d like to play football with you, but I have an important thing to attend to.---If you don’t go, ________.A．neither do I B．so will I C．nor will I D．so do I 18．Many adults agree that teenagers shouldn't live alone they have their parents’ permission. A．if B．unless C．in case D．now that19．______the phone call, the construction site is crowded with workers full of joy and excitement.A．On receiving B．As soon as receiving C．The Moment he receivedD．Receiving20．_________I saw him, I knew he was the man the police were looking for.A．The place B．The week C．The day D．The instant21．__________, he is famous for writing blogs.A．As he is a teacher B．A teacher as he isC．Teacher although he is D．Teacher as he is22．Incredible ________ it was, it was true.A．although B．though C．even though D．despite 23．You’d better get it prepared ahead of time just ____ something unexpected happens.A．as if B．in case C．even though D．as long as 24．Elephants usually won’t attack a person ________ one becomes a danger to them.A．until B．although C．unless D．when25．The young lady rushed into the room _____ she heard the noise.A．right away B．at once C．immediately D．at the moment 【参考答案】***试卷处理标记，请不要删除一、选择题1．D解析：D【解析】【详解】考查时间状语从句。

2022年度省教师资格证培训考试专项测试训练题 (2)

2022年度省教师资格证培训考试专项测试训练题一、单项选择题（100题，70分）1 孔子说：“其身正，不令而行；其身不正，虽令不从。

”教师的整体风貌和个人行为，对学生的品德和行为都具有潜移默化的影响，这说明教师职业道德具有（）A、鲜明的继承性B、强烈的责任性C、独特的示范性D、严格的标准性2 （）是指学生自发形成或组织起来的群体。

A、正式群体B、非正式群体C、参照群体D、班集体3 鲁班因茅草划破手指而发明了锯子，影响其创造活动的心理机制是()A、原型启发B、学习迁移C、思维定势D、功能固着4 教师从事职业活动最强大的精神动力和根本目的的是（）A、职业荣誉感B、职业责任感C、职业幸福感D、职业归属感5 小明即将上考场，感觉心跳加速，有点微微出汗，这属于情绪情感的()A、主观体验B、外部表现C、生理唤醒D、认知活动6 实验老师在学生做实验时，离开接听私人电话，学生随意碰了实验用品，导致失火幸好没有人员伤亡，该老师的行为是（）A、触犯刑法B、不作为侵权C、侵犯学生的生命权身体权和健康权D、没有违法7 教育法律救济渠道（）A、诉讼调解其他B、诉讼行政其他C、协商调节其他D、协商诉讼其他8 在掌握学习理论中，认为只要给学生足够的时间和适当的教学，几乎所有学生都能完成评价项目的()A、20%-30%B、50%-60%C、60%-70%D、80%-90%9 教师职业道德基本原则,对教师的职业责任职业态度职业情感职业行为品质职业情操职业形象等方面提出基本要求,是教师调节个人与他人以及社会关系的根本指导原则。

它派生出一系列的教师道德规范和道徳范畤,各个教师职业道德规范都是围绕着教师职业道德的基本原则而展开的。

因此,在教师职业道德体系中,教师职业道徳基本原则占据着极高的地位,具有()A、裁决作用B、引导作用C、主体作用D、统帅作用10 教师职业道德修养包含的两个方面是（）A、职业道德意识修养B、职业道德行为修养C、职业道德理念修养D、职业道德文化修养11 在我国，要担任各级各类学校教师，前提条件是必须（）A、取得相应的教师资格证书B、获得相应的教师职称C、和学校签订聘任合同D、参加过相应的教师岗前培训12 下列属于冲动型学生特点的是()A、阅读理解能力强B、信息加工策略多运用整体加工方式C、善于完成细节性分析的学习任务D、反应快，善于察言观色13 学生的知识学习过程主要是一个对知识的内在加工过程。

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选择题专项训练（2）姓名＿＿＿＿＿＿＿1．E1为氢原子基态能量的绝对值，h为普朗克恒量，c是真空中的光速，当氢原子在最低的三个能级之间跃迁时，氢原子发射光子的波长可能值是（ C ）
2．下列说法中正确的是（）
A．液体中悬浮微粒的布朗运动是做无规则运动的液体分子撞击微粒而引起的
B．物体的温度越高，分子热运动越剧烈，分子的平均动能越大
C．对于一定质量的气体，当分子间的距离变大时，压强必定变小
D．把一定量的热传给一定量的气体或对该气体做功，均一定能使气体的内能增大
3．A和B两种单色光均垂直照射到同一条直光纤的端面上，A光穿过光纤的时间比B光穿过的时间长，现用A和B两种光照射同种金属，都能发生光电效应，则下列说法正确的是（）
A．光纤对B光的折射率大
B．A光打出的光电子的最大初动能一定比B光的大
C．A光在单位时间内打出的电子数一定比B光的多
D．B光的波动性一定比A光显著
4．在粗糙水平面上静放着一个质量为m的物体，已知该物体与水平面之间的动摩擦因数为μ（在计算时可不考虑最大静摩擦力与滑动摩擦力之间的数量差别）。

现沿某一水平方向对该物体施加一个量值变化的力F，其量值可能是①F=0且历时t0；②F=μmg且作用时间t0；③F=2μmg用作用时间t0。

若此外力F按以下顺序施加在物体上，则使该物体在3t0时间内所发生的位移最大的情况是（）
A．①②③B．②①③C．①③②D．③②①
5. 如图所示为A，B两列机械波在同一介质中传播的波形
图，则（）
A．两机械波传播的波速关系是v B＞v A
B．两机械波传播的波速关系是v B＝v A
C．两机械波的频率关系是f B＜f A
D．两机械波的频率关系是f B＝f A
6．地面上的空气成分主要以氧,氮分子为主，随着高度的增加，由于地球引力的作用，重的气体逐渐稀薄，轻的气体逐渐相对增多。

在太阳紫外光线的照射下，分子态的气体被电离为原子态，在“神州”三号飞船343公里的运行轨道上，主要是原子态的氧，氮和氦气。

虽然高层大气的密度很小，但其对飞船的阻力仍会严重影响飞船的运行轨道。

针对这段材料有下列叙述正确的是（）
A ．由于大气阻力，飞船运行轨道要下降，运行速度要变小
B ．如果是真空，飞船可以一直保持在343公里的轨道上运行
C ．由于大气阻力，飞船运行轨道要下降，运行周期要变长
D ．由于飞船轨道比较低，飞船内的物体对支持面的压力与在地球上对地面的压力差不
多
7．两个相同的白炽灯L 1和L 2接到如图所示的电路中，灯L 1与电容器串联，灯L 2与电感线
圈串联，当a 、b 处接电压最大值为U m ，频率为f 的正弦交流电源时，两灯都发光，且亮度相同。

更换一个新的正弦交流电源后灯L 1的亮度大于灯L 2
的亮度，新电源的电压最大值和频率可能是（）
A ．最大值仍为U m ，而频率大于f
B ．最大值仍为U m ，而频率小于f
C ．最大值大于U m ，而频率仍为f
D ．最大值小于U m ，而频率仍为f
8．如图所示，某空间存在正交的匀强磁场和匀强电场，电场方向
水平向右，磁场方向垂直纸面向里，一带电微粒由a 点进入电
磁场并刚好能沿ab 直线向上运动，下列说法正确的是（）
A ．微粒一定带负电
B ．微粒动能一定减小
C ．微粒的电势能一定增加
D ．微粒的机械能一定增加
9．利用传感器和计算机可以测量快速变化的力的瞬时值。

右图是用这种方法获得的弹性
绳中拉力随时间的变化图线。

实验时，把小球举高到绳子的悬点O 处，然后放手让小球自由下落。

由此图线所提供的信息，以下判断正确的
是（） A ．t 2时刻小球速度最大
B ．t 1~t 2期间小球速度先增大后减小
C ．t 1与t 4时刻小球动量一定相同
D ．t 2时刻绳子最长
10．在倾角为θ的两平行光滑长直金属导轨的下端，接有一电
阻R ，导轨自身的电阻可忽略不计，有一匀强磁场与两金属
导轨平面垂直，方向垂直于导轨面向上。

质量为m ，电阻可
不计的金属棒ab ，在沿着导轨面且与棒垂的恒力F 作用下沿
导轨匀速上滑，上升高度为h ，如图所示。

则在此过程中
（）
A ．恒力F 在数值上等于mgsin θ
B ．恒力F 对金属棒ab 所做的功等于mgh
C ．恒力F 与重力的合力对金属棒ab 所做的功等于电阻R 上释放的焦耳热
D ．恒力F 与重力的合力对金属棒ab 所做的功等于零
t。