状语从句练习题含答案
高中英语状语从句练习题20题答案解析版
高中英语状语从句练习题20题答案解析版1.She was reading a book when the phone rang.A.whileB.as soon asC.afterD.before答案解析：A 选项while 也可表示“当……的时候”，但通常强调两个动作同时进行；B 选项as soon as 意为“一……就……”；C 选项after 表示“在……之后”；D 选项before 表示“在……之前”。
本题中when 表示“当……的时候”，强调“正在读书的时候电话响了”，所以答案是when。
2.We were having dinner when suddenly there was a loud noise.A.asB.whileC.sinceD.until答案解析：A 选项as 也可表示“当……的时候”，与when 用法相似；B 选项while 强调两个动作同时进行；C 选项since 表示“自从”；D 选项until 表示“直到……才”。
本题中when 强调“正在吃饭的时候突然有很大的噪音”，所以答案是when。
3.I will call you as soon as I arrive.A.whenB.whileC.afterD.before答案解析：A 选项when 表示“当……的时候”；B 选项while 强调两个动作同时进行；C 选项after 表示“在……之后”；D 选项before 表示“在……之前”。
本题中as soon as 表示“一……就……”，强调动作的迅速发生，所以答案是as soon as。
4.He had just fallen asleep when the alarm clock rang.A.whileB.asC.sinceD.until答案解析：A 选项while 强调两个动作同时进行；B 选项as 也可表示“当……的时候”；C 选项since 表示“自从”；D 选项until 表示“直到……才”。
中考英语状语从句练习题30题(带答案)
中考英语状语从句练习题30题(带答案)1. I was reading a book ____ my mother came in.A. whenB. whileC. asD. since答案：A。
解析：when在这里表示“当……的时候”，从句的动作“my mother came in”是一个短暂性动作，而主句“was reading”是延续性动作，这种情况下when既可以连接延续性动作也可以连接短暂性动作。
while通常连接两个延续性动作，as强调两个动作同时进行，since表示“自从”，不符合题意。
2. He didn't leave ____ he finished his work.A. untilB. sinceC. whileD. because答案：A。
解析：not...until...是一个固定搭配，表示“直到……才……”，这里的意思是他直到完成工作才离开。
since表示“自从”，while连接延续性动作，because表示原因，都不符合句子逻辑。
3. ____ she was young, she could play the piano very well.A. WhenB. SinceC. BecauseD. Although答案：A。
解析：when在这里引导时间状语从句，表示“在……的时候”，句子的意思是当她年轻的时候，她钢琴就弹得很好。
since 表示“自从”或者“既然”，because表示原因，although表示让步“虽然”，均不符合题意。
4. The moment I ____ the news, I called him.A. hearB. heardC. will hearD. am hearing答案：B。
解析：the moment可以引导时间状语从句，相当于as soon as，表示“一……就……”。
主句中“called”是一般过去时，所以从句也要用一般过去时，保持时态一致，所以选heard。
高二英语状语从句练习题30题含答案解析
高二英语状语从句练习题30题含答案解析1.I was doing my homework when my mother came in.A.was doingB.doC.didD.have done答案解析：A。
本题考查时间状语从句。
“when”引导的时间状语从句，主句用过去进行时，从句用一般过去时。
选项B、C、D 时态错误。
2.As soon as I finish my work, I will go home.A.finishB.finishedC.will finishD.have finished答案解析：A。
“as soon as”引导时间状语从句，遵循“主将从现”原则，即主句用一般将来时，从句用一般现在时。
选项B 是过去时错误，选项C 和D 时态错误。
3.I had just fallen asleep when the phone rang.A.had fallenB.fellC.was fallingD.fall答案解析：A。
本题考查过去完成时在时间状语从句中的用法。
“when”引导的时间状语从句，从句用一般过去时，主句用过去完成时。
选项B、C、D 时态错误。
4.We were having a picnic when it started to rain.A.were havingB.haveC.hadD.are having答案解析：A。
“when”引导时间状语从句，从句用一般过去时，主句用过去进行时。
选项B、C、D 时态错误。
5.I will call you as soon as I arrive at the airport.A.arriveB.arrivedC.will arriveD.have arrived答案解析：A。
“as soon as”引导时间状语从句，遵循“主将从现”原则。
选项B 是过去时错误，选项C 和D 时态错误。
6.She was reading a book while her brother was playing games.A.was readingB.readC.is readingD.reads答案解析：A。
八年级英语条件状语从句练习题40题(带答案)
八年级英语条件状语从句练习题40题(带答案)1.If it rains tomorrow, we _____ stay at home.A.willB.wouldC.shouldD.must答案解析：A。
if 引导的条件状语从句，遵循“主将从现”原则，主句用一般将来时，所以选A。
B 选项would 用于过去将来时或表示委婉语气；C 选项should 表示应该；D 选项must 表示必须，都不符合条件状语从句的语法规则。
2.She will go to the park if she _____ free.A.isB.will beC.wasD.would be答案解析：A。
同样遵循“主将从现”原则，从句用一般现在时，she 是第三人称单数，所以用is。
B 选项will be 是将来时；C 选项was 是过去时；D 选项would be 是过去将来时，都不正确。
3.If you study hard, you _____ good grades.A.getB.will getC.gotD.would get答案解析：B。
“主将从现”，主句用一般将来时，选will get。
A 选项get 是一般现在时；C 选项got 是过去时；D 选项would get 是过去将来时，不符合语法规则。
4.We will have a picnic if the weather _____ fine.A.isB.will beC.wasD.would be答案解析：A。
“主将从现”，从句用一般现在时，weather 是不可数名词，用is。
B 选项will be 是将来时；C 选项was 是过去时；D 选项would be 是过去将来时，都不合适。
5.If he _____ time, he will come to see us.A.hasB.will haveC.hadD.would have答案解析：A。
“主将从现”，从句用一般现在时，he 是第三人称单数，用has。
高中英语目的状语从句练习30题(带答案)
高中英语目的状语从句练习30题(带答案)1. I'll speak slowly ____ you can understand me.A. so thatB. sinceC. whenD. as if答案：A。
解析：本题考查目的状语从句。
目的状语从句表示动作的目的。
在这个句子中，“I'll speak slowly”（ 我会慢慢说）的目的是“you can understand me”（ 你能理解我）。
“so that”用于引导目的状语从句，表示“以便，为了”，符合句子语境。
“since”引导原因状语从句，表示“既然，因为”；“when”引导时间状语从句，表示“当……时候”；“as if”引导方式状语从句，表示“好像”，这三个选项都不符合句子表达目的的要求。
2. She got up early ____ she could catch the first bus.A. in order thatB. becauseC. ifD. though答案：A。
解析：此句中“she got up early”（ 她早起）的目的是“she could catch the first bus” 她能赶上第一班公交车）。
“in order that”引导目的状语从句，意为“为了，以便”，能准确表达这种目的关系。
“because”引导原因状语从句，表原因；“if”引导条件状语从句，表条件；“though”引导让步状语从句，表让步，均不符合题意。
3. He turned up the radio ____ everyone could hear the news.A. so as toB. in order toC. such thatD. so that答案：D。
解析：“He turned up the radio” 他调大收音机音量）的目的是“everyone could hear the news” 每个人都能听到新闻）。
状语从句练习题及答案
状语从句练习题及答案状语从句练习题及答案状语从句是英语语法中的一个重要概念，它可以用来修饰主句中的动词、形容词或副词，起到进一步描述、解释或限制的作用。
熟练掌握状语从句的用法对于提高英语写作和阅读理解能力至关重要。
下面将给出一些状语从句的练习题及答案，帮助大家加深对这一知识点的理解。
练习题一：1. I will call you _______ I arrive at the airport.2. _______ you work hard, you will never succeed.3. She was so tired _______ she fell asleep during the movie.4. _______ it rains tomorrow, we will have to cancel the picnic.5. He couldn't find his keys _______ he searched the entire house.答案一：1. when2. Unless3. that4. If5. no matter how练习题二：1. _______ you finish your homework, you can go out to play.2. I will go to the party _______ I get an invitation.3. _______ you study hard, you will pass the exam.4. _______ it snows, we will build a snowman.5. She always cries _______ she watches sad movies.答案二：1. Once2. if3. If4. If5. whenever练习题三：1. _______ she is busy, she always finds time to exercise.2. _______ you eat too much, you will gain weight.3. _______ he is tired, he will keep working.4. _______ you don't hurry, you will miss the train.5. _______ she called, I was already asleep.答案三：1. Although2. If3. Even if4. Unless5. When练习题四：1. _______ I go, I always take my camera with me.2. _______ you don't study, you won't pass the test.3. _______ it is cold, I will go for a run.4. _______ she likes him, she never shows it.5. _______ you don't like it, you don't have to eat it.答案四：1. Wherever2. If3. Even if4. Although5. If通过以上练习题，我们可以看到状语从句的用法有很多种，包括时间、条件、原因、方式等等。
人教版高中英语状语从句练习题20题含答案解析
人教版高中英语状语从句练习题20题含答案解析1. I will call you _______ I arrive at the airport.A. as soon asB. whileC. untilD. since答案：A。
解析：as soon as表示“一……就……”，在这里引导时间状语从句，句意为我一到达机场就会给你打电话。
while引导时间状语从句时，表示“当……的时候”，强调主句和从句的动作同时进行，在此句中不符合语境。
until表示“直到……”，通常用于否定句中较多，在此句中语义不通。
since表示“自从；既然”，引导原因状语从句或者时间状语从句（ 表示从过去某一时间点开始），这里不符合句子逻辑。
2. _______ he was reading, his mother came in.A. WhenB. BeforeC. AfterD. Since答案：A。
解析：when可以表示“当……的时候”，在这里引导时间状语从句，强调在他读书这个动作进行的过程中，他妈妈进来了。
before表示“在……之前”，after表示“在……之后”，这两个选项与句子的逻辑不符。
since在这里如果表示“自从”引导时间状语从句，句子语义不通，如果表示“既然”引导原因状语从句也不符合语境。
3. You can't leave the room _______ you finish your homework.A. ifB. whenC. untilD. as答案：C。
解析：until用于否定句中，表示“直到……才”，此句的意思是直到你完成作业才能离开房间。
if表示“如果”，引导条件状语从句，不符合句子逻辑。
when表示“当……的时候”，as表示“当……的时候；因为；随着”，在这里都不符合句子的语义。
4. _______ we were in Paris, we visited many famous places.A. WhileB. IfC. BecauseD. As soon as答案：A。
高中英语状语从句100练(含答案
高中英语状语从句100练（含答案）高中英语题目一、单选题。
（共99题, 每题1分, 共99分）1.In peace, too, the Red Cross is expected to send help ________ there is human suffering.A. whoeverB. howeverC. whateverD. wherever2.—Bob, look what you have done! You ruined the experiment.—It’s not my fault.I just carried out the instructions _____.A. as toldB. as telling meC. as tellingD. as I told3.____I see her,I will find some changes in her.A,As soon as B,Every time C,The moment D,The first time4.Much ____ he has a good taste for China’s Football Matches, he can’t avoid being influenced by the side effects of the football gambling.A. that he claimsB. does he claimC. it is that he claimsD. as he claims5. If you _____ his wife’s income____ his own, the total of their income _____ 3000 yuan.A. add; to; will add up toB. add; to; adds toC. add up; to; adds up toD. will add; for; adds up6.-Look at those clouds!Don't worry.______ it rains, we'll still have a great time.A. Even ifB. As thoughC. In caseD. If only7、_________ you may have, you should gather your courage to face the challenge.A. However a serious problemB. What a serious problemC. However serious a problemD. What serious a problem8、________the American economy expanded at an annual rate of 2.5 percent in July—September, it faced a long road to recovery.A. SinceB. IfC. WhileD. When9、Please come to visit me if _________________.A. you are convenientB. it is convenient of youC. you are for convenienceD. it is convenient for you10、The famous scientist grow up________ he was born and in 1930 he came to Shanghai.A. whenB. in whichC. whereD. wherever11.___ , he still put people’s life in the first place.A. However he was tiredB. Now matter he was tiredC. Now matter how was he tiredD. However tired he was12.I have been keeping the portrait _____ I can see it every day, as it always reminds me of my childhood in Paris.A. sinceB. whereC. asD. if13.—Don’t look down upon Bob.He has his own advantages.—Oh, yes. others are weak, he is strong.A. IfB. WhereC. WhenD. Though14.It’s such a good place___ everyone wants to go and visit ___ it is well-known all over the world.A. that; thatB. as; asC. as; thatD. that; as15.This is my own restaurant.You can come to eat here ____ you like.A. whereverB. whateverC. whicheverD. whenever16.He is rather difficult to make friends with, but his friendship, _____ is more true than anyone else’s.A. Once gainingB. Once gainedC. Once is gainingD. Once he gained17、_____unemployment and crime are high, it can be assumed that the latter is due to the former.A. BeforeB. WhereC. UnlessD. Until18、Jack wasn't allowed to go into the sports club ______ he left his membership card at home.A. thoughB. asC. beforeD. Until19、 _________ you may have, you should gather your courage to face the challenge.A. Whatever serious a problemB. However serious a problemC. However a serious problemD. No matter how a serious problem20、All the soldiers were placed exactly the local government wanted them for the control of the comeback of the flood.A. whileB. whenC. whereD. though21.We climbed higher _____ we might see the scenes better.A. sothatB. even thoughC. in caseD. as if22.Would you please put the dictionary it belongs?A. whereB. to whichC. to whomD. what23.The people in the disaster areas are ready to accept _______ help they can get.A. whicheverB. howeverC. whateverD. whenever24. --- Don’t look down upon Bob.He has his own advantages.----Oh, yes.______ others are weak, he is strong.A. IfB. WhereC. WhenD. Though25.(2014·江苏四校第四次考试)I can not understand why the issue of Syria has become so complicated________I learn more from the media.A. afterB. beforeC. whileD. when26.He never speaks to others until ______.A. he speaksB. spoken toC. he is spokenD. he speaks to27、You should report any incident, _______ minor it is.A. whateverB. wheneverC. howeverD. wherever28、---- Did he come back early last night?---- Yes.It was not yet eight o’clock _______ he arrived home.A. whenB. thatC. beforeD. until29、 Everything was placed exactly ___________he wanted it for the graduation ceremony.A. whileB. whenC. whereD. though30、This is a very cute dog.I’ll take it, .A．how much may it cost B．how much it may cost.C. however much it may costD. no matter how it may cost31.He tried his best to solve the problem, difficult it was.A. no matter whatB. whateverC. howeverD. how32.My parents have promised to come to see me before I ______ for Africa.A. have leftB. leaveC. leftD. will leave33.Peter was so excited __________ he received an invitation from his friend to visit them.A. whereB. thatC. whyD. when34._______, you will get used to the life here and have your understanding of life.A. As time going byB. With time passing outC. As time goes byD. With time goes by35. in Super Girls that Duan Linxi became known to almost all teenagers.A. So successful her performance wasB. So successful was her performanceC. So her performance was successfulD. So was her successful performance36.I lost sight of Wang Ping when we reached _____ looked like a large market because of too many carriages flying by in all directions.A. thatB. whatC. whereD. which37、______ this village was extremely poor, they felt it was still important to keep the school going.A. So long asB. ThoughC. Even asD. As if38、How did you manage to get to the school on time_________you missed the schoolbus?A. whenB. ifC. onceD. because39、--- Have you told Joan the bad news that her grandfather fell off the bike and hurt seriously?--- Yes.I told her ________I saw her this afternoon.A. whileB. the momentC. untilD. Suddenly40、____, as long as I’m with nature, I don’t care.A. However tough the journey isB. Whatever tough the journey isC. However the journey is toughD. Whatever the journey is tough41.42.The little boy who got lost decided to remain ________ she was and wait for her mother.A. whatB. howC. whoD. where43.Once ____ in the forest, you ought to remain ____ you are waiting for help.A. losing; whereB. losing; thereC. lost; thereD. lost; where44. I _______ to the party if I________tomorrow.A. will go; will be invitedB. will go; am invitedC. go; will inviteD. go, have been invited45.It will really make no difference ________ he doesn’t come tonight.A. ifB. whetherC. thatD. what46. In my opinion, we need to begin ______ we stopped yesterday to ensure we won’tmiss anything.A. whenB. whereC. howD. what47、(2013·北京, 30)I took my driving license with me on holiday, ________I wanted to hire a car.A. in caseB. even ifC. ever sinceD. if only48、_____he entered the room,he picked up the phone and told the news to his parents.A,At the moment B,Hardly C,The moment D,No soon49、_____________grades you get in this exam, you should never lose heart.A. No matter howB. WhatC. No matter whatD. Which50、—____________ difficulty you meet, remember that it might just be a touchstone. —You are right.__________ difficult it is, we will never give in.A. However; whateverB. However; howeverC. Whatever; whateverD. Whatever; however51. ______ you may have , you should gather your courage to face the challenge .A. However serious a problemB. Whatever serious a problemC. However a serious problemD. No matter how a serious problem52.—What should I wear to attend his wedding party?—Dress ____ you like.A. whatB. howeverC. whateverD. how53.I don't believe we've met before, I must say you do look familiar.A. thereforeB. althoughC. sinceD. unless54.55.John thought it wouldn’t be long he was ready for his new job.A. sinceB. whenC. beforeD. after56. It was _____that we went camping on the mountain.A. such nice weatherB. so nice a weatherC. such a nice weatherD. too nice weather57、 Everything was placed exactly _______ he wanted it for the graduation ceremony.A. thoughB. whereC. whileD. when58、They promised to develop a software package by the end of this year, ________ they might have.A. however difficultB. how difficultC. whatever difficultyD. what difficulty59、--- Did Peter come back early last night?--- Yes.It was not yet eight o’clock _________ he arrived home.A. whenB. thatC. untilD. before60、The big secret in life is that there is no big secret.__________ your goal, you can get there if you’re willing to work.A. HoweverB. WhicheverC. WhereverD. Whatever61. you may have, you should gather your courage to face the challenge.A. However a serious problemB. What a serious problemC. However serious a problemD. What serious a problem62. Please arrange an interview with the manager tomorrow , or it is convenient to him .A. wheneverB. howeverC. whicheverD. wherever63.Nowadays workers are earning per month as they did in the 1990s.A. twice as much asB. as twice as muchC. as much twice asD. twice as much64.Hot _______the night air was, we slept deeply because we were so tired after the long journey.A. althoughB. asC. whileD. however65.– Didn’t you tell Harry not to play games so much?–I said to him goes in one ear and out the other.A. No matter howB. HoweverC. No matter whatD. Whatever66.After the war, a new school building was put up ______there had once been a theatre.A. whenB. in whichC. the place whereD. where67、 Here we have beef, fish and fruit.Help yourself to ______ you like.A. whicheverB. howeverC. whateverD. whenever68、If someone falls off the ladder and gets seriously hurt, you’d better leave him_____ he falls and try to get help.A. beforeB. whenC. whereD. what69、—Have you known each other for long?—Not very long, we started to work in the company.A. afterB. beforeC. whenD. since70、It’s the second time ___ I’ve read an English novel.But do you know there was a time ___I hated English?A. that; thatB. when; thatC. that; whenD. when; when71.________ your composition carefully, some spelling mistakes can be avoided.A. Having checkedB. CheckingC. If you checkD. To check72.—Where did you lose your bicycle?—It was in the playground______I played basketball.A. thatB. whereC. whichD. when73.Every evening after dinner, if not from work,, I will spend some time walking my dog.A. being tiredB. tiringC. tiredD. to be tired74.A serious illness, ______ its nature, is almost always painful.A. whateverB. whereverC. wheneverD. however75.Every evening after dinner, if not ___________ from work, I will spend some time walking my dog.A. being tiredB. tiringC. to be tiredD. tired76.House prices vary from place to place and are usually high ____ there are famous schools.A. sinceB. whenC. whetherD. where77、No matter ______ the CRH accident in Wenzhou, it had and will have much warning significance.A. how the investigators said causedB. what the investigators said causedC. why the investigators said causedD. the investigators said how caused78、The famous scientist grew up _______ he was born and in 1950 he came to Nanjing .A. WhenB. wheneverC. whereD. wherever79、It’s such a good place___ everyone wants to go and visit ___ it is well-known all over the world.A. that; thatB. as; asC. as; thatD. that; as80、_______ this sentence a second time, the meaning will become clear to you.A. If readingB. When you readC. ReadingD. Read81.______ we think of Ben, we have to admit that he is a highly competent man.A. HoweverB. WhetherC. WhicheverD. Whatever82.No matter how________, it is not necessarily lifeless.A. dry a desert may beB. a desert may be dryC. may a desert be dryD. dry may a desert be83. I’ll go to the party with you ________ you don’t wear those strange trousers.A. as thoughB. in order thatC. in thatD. providing84.You should report any incident, ______ minor it is.A. whateverB. wheneverC. howeverD. wherever85._________, I always feel I want a few more days.A. However long is a vacationB. However long a vacation isC. However is a vacation longD. However a vacation is long86.When ______ if he had any idea of what the novel was about, Jack just kept silent.A. askingB. askedC. to askD. being asked87、Cold ______ the night air was, he slept soundly because he was so tired after working for a whole day.A. althoughB. whileC. howeverD. as88、The little boy who got lost decided to remain ________ she was and wait for her mother.A. whatB. howC. whoD. where89、______ around the Water Cube , we were taken to see the Bird’s Nest for the 2008 Olympic Games.A. Having shownB. To be shownC. Having been shownD. To show90、Every evening after dinner, if not ______ in reading books, she can be found _____ on the sofa watching TV.A. absorbed; seatingB. absorbing; satC. absorbed; seatedD. absorbing; sitting91. Children should be instructed to put things they belong in their early childhood.A. whereB. in whichC. to whichD. what92. When ______ help, one often says “Thank you.” or “It’s kind of you.”A. offeringB. to offerC. to be offeredD. offered93.______ advice I give him , he just does not listen.A. HoweverB. No matter howC. No matterD. Whatever94.The lawyer seldom wears anything other than a suit _____ the season.A. whateverB. whereverC. wheneverD. however95. His idea was such a good one ______ we all agreed to use it.A. asB. thatC. soD. but96.John shut everybody out of the kitchen ________ he could prepare his grand surprise for the party.A. whichB. whenC. so thatD. as if97、If you visit our home or ring the doorbell, you by our dog.A. were greetedB. will greetC. will be greetedD. greeted98、Though ______ to see us, the professor gave us a warm welcome.A. surprisedB. was surprisedC. surpriseD. being surprised99、. _______ we can afford it, we wouldn’t go abroad for our vacation.A. As long asB. WheneverC. Even thoughD. In case1.答案: D2.答案: A试题分析: 考查状语从句的省略。
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状语从句练习题含答案一、初中英语状语从句1．She didn't leave the school she worked out this problem.A．as long as B．until C．since D．while【答案】B【解析】【详解】句意“直到她解决了这个问题他才离开学校”。
A.只要（引导条件状语从句）；B.直到（引导时间状语从句）；C.自从（引导时间状语从句）；D.当⋯⋯时候（引导时间状语从句）。
根据句意可知，译为“直到他解决这个问题他才离开学校”。
not...until... 直到⋯⋯才，故选B。
2．---Can students go online during lessons?---They can ' t ___ it is for that lesson.A．if B．unless C．until D．while【答案】B【解析】【详解】句意：——学生上课时能上网吗？他们不可以，除非为了上那堂课。
本题考查连词辨析，A. 如果；B.除非；C.直到；D.当⋯⋯时候。
答语是条件状语从句，根据句意结构可知，需要unless 连接，故选B。
3．He made a serious mistake, but he took immediate action to change that it got worse.A．until B．when C．because D．before【答案】D【解析】试题分析：句意：他犯一个严重的错误。
但他采取行动来改变它以免变得更糟。
A. Until 直到；B. When 当⋯⋯时；C. Because因为；D. Before在⋯⋯之前。
在变得更糟之前采取行动改变。
故选D。
考点：考查连词辨析。
4．How can we improve our environment a lot each of us does something useful forit?A．while B．until C．after D．unless【答案】D【解析】【详解】句意：除非我们每个人都做一些有益的事情，否则我们如何才能大大改善我们的环境呢?考查连词辨析。
while 当⋯⋯的时候，表时间；until 直到，表时间；after 在⋯⋯之后，表时间；unless 除非，表条件。
本句是条件状语从句，根据句意结构和语境，可知选D。
5．--- What was the party like?--- Wonderful. It _________ 's years I enjoyed myself so much.A．since B．after C．when D．before【答案】A【解析】试题分析：句意：聚会怎么样？太精彩了，好多年了我没玩的这么高兴过。
此题是考查句型：It ' s years + since一+般过去式，此题中的动词是enjoyed 延续性动词，应从动作结束算起，可以翻译成它的反义词，故选A。
考点：考查连词的用法6．—Winter swimming is exciting, but one can _____________ 't do it he or she has got some training.—Exactly! It can be dangerous.A．after B．unless C．if D．while【答案】B【解析】句意：——冬泳是令人兴奋的，但除非他或她接受了一些训练，否则是不行的。
——没错！这可能是危险的。
A. after 在⋯⋯之后；B. unless 除非；C. if 如果；D. while 当⋯⋯的时候。
根据语境和句意可知用unless。
故选B。
7．I didn't realize he was a famous scientist you told me.A．until B．because C．since【答案】A【解析】句意：直到你告诉我，我才知道他是一位出名的科学家。
A. until 到⋯为止；B. because 因为；C. since既然，因为。
本题考查固定句式not ⋯until 直⋯到⋯⋯才。
其用法是如果（主）句中的谓语是终止性动词，应采用“not⋯until结构”，意为“到⋯⋯时候才”根据句子结构，结合选项，故选A。
8．_____ you do in the future, you should try your best to do it well.A．However B．Whenever C．Whoever D．Whatever【答案】D【解析】试题分析：句意:无论你将来做什么，你都应该尽你的最大努力把它做好。
however 然而，无论怎样；whenever 无论什么时候；whoever 无论是谁；whatever 无论什么。
根据句意可知，这里表示无论你做什么，所以应该用whatever 。
考点：考查连词。
9．Our basketball team won ___________________ 't win the match we work together.A．if B．since C．while D．unless【答案】D【解析】【详解】句意：除非我们共同努力，否则我们的篮球队不会赢得这场比赛。
考查连词辨析。
A. if 如果，引导肯定意义的条件状语从句； B. since自从，引导时间状语从句； C. while 当⋯时候，引导时间状语从句；D. unless除非，引导否定意义的条件状语从句。
根据Our basketballteam won ' t win the match we work together结. 合语境“我们的球队不会赢得这场比赛，⋯我们共同努力。
”可知只有D 选项符合题意，故答案选D。
10．It 's much easier for us to become friends we share similar interests. A．unless B．when C．even though D．so that【答案】B【解析】【详解】句意：当我们分享相似的兴趣爱好时，对于我们来说成为朋友更加容易一些。
考查连词。
unless 如果不，除非，引导条件状语从句；when 当⋯⋯时候，引导时间状语从句；even though 尽管，引导让步状语从句；so that 以便，因此，结果，引导目的或结果状语从句。
根据句意可知此句表示时间，故填when ，选B。
11．I didn 't believe I could do it I got to thoep t of Mount Tai.A．unless B．until C．after D．as 【答案】B【解析】试题分析：句意：直到我到达泰山顶上我才相信我能成功。
A. unless 如果不，除非，引导条件状语从句；B. until 直到，引导时间状语从句；C. after 在⋯⋯后，引导时间状语从句；D. as因为，由于，引导原因状语从句。
not ⋯until直到⋯⋯才，结合句意，故选B。
考点：考查连词的用法。
12．--Remember to keep the dog on （狗链） ___ ___ you walk it,--Sure. I won 't let it hurt others.A．until B．after C．while D．since 【答案】C【解析】【详解】句意“-宝贝，当你遛狗时记得给狗拴上链子。
-好的，我不会让他伤害其他人”。
A.直到才·（引导时间状语从句）；B. 在⋯⋯之后（引导时间状语从句）；C.当⋯⋯时候（引导时间状语从句）；D.自从（引导时间状语从句）。
根据句意可知，译为“当遛狗时”，故选C。
13．---I 'm afraid- beooks might be bad for our eyes.---Hmm, but they will be helpful for us we put them to good use.A．as soon as B．as long as C．even though D．so that【答案】B【解析】【详解】句意“-恐怕电子书对我们的眼睛有害。
-但是只要我们合理使用他们，他们就对我们有帮助”。
A.一⋯⋯就⋯⋯（引导时间状语从句）；B.只要（引导条件状语从句）；C.尽管（引导让步状语从句）；D.目的是，为的是（引导目的状语从句）。
根据句意可知，译为“只要我们合理使用他们”，表示条件，故选B。
14．I have to leave now __ I can catch the last bus.A．so that B．because of C．until D．as soon as【答案】A【解析】试题分析：so that 以便，所以；because of 因为，由于；until 直到；as soon as一⋯就⋯⋯。
句意：为了赶上末班车，我现在必须离开了。
结合语境可知选A。
考点：连词辨析点评：连词在句子中主要起联系上下文的作用，他们之间的区别就是表示逻辑关系的不同，所以在解题时先要理解上下文含义，然后根据上下文逻辑关系选择合适的连词。
连词的用法都比较多，语义之间还有交叉，熟记其基本应用规则，了解其区别，注意固定搭配对象，是做好此类题型的关键。
15．_____ I came back home yesterday, my mother was looking a magazine. A．While; through B．When; through C．When; around【答案】B【解析】【详解】句意：昨天当我回到家的时候，我的妈妈正在浏览一本杂志。
While 当⋯时候，引导时间状语从句，从句中的谓语动词应该是延续性的；When 当⋯时候，引导时间状语从句，从句中谓语动词可以是延续性的，也可以是瞬间性的；through 穿过，通过；around 周围。
第一个空后came back 是瞬间性动词，故不能用while 引导，排除A。
look through 浏览；look around 向四周看，根据句意可知应该是“浏览杂志”，故选B。
16．Cathy is afraid of the dog. She will run away she sees it.A．ever since B．although C．as soon as D．so that【答案】C【解析】【详解】句意：凯西害怕狗，她一看到狗就跑了。
考查连词辨析。