高中英语条件状语从句全面解析

这是一份高中英语条件状语从句全面解析，共12页。
高中英语专题：条件状语从句 全面解析

1．_____ you receive my e-mail informing you of my absence, expect me on Friday at about 6 p.m.
A．Unless B．Until C．While D．Although

全面解析：除非你收到我的邮件，告知你我届时缺席，否则星期五下午六点左右等我。A. Unless”除非“；B. Until”直到“；C. While”在……期间“；D. Although”尽管“。根据句意可知，选A。

2．Do visit us________.
A．if you are convenience B．when you are convenient
C．if it is convenient for you D．when it is convenience to you

全面解析：如果你方便的话，一定要来看我们。根据句意表示“如果你方便的话”，所以本句为if引导的条件状语从句，convenient“方便的”为形容词。主语为it。故选C。

3．—Do you think the business via Wechat should be banned?
—________ the businessmen are honest and guarantee the quality, it should be permitted.
A．In case B．As long as C．Now that D．Even if

全面解析：—你认为通过微信做生意应该被禁止吗？—只要它诚实并保证质量，就应该被允许。A. In case“以防”；B. As long as“只要”；C. Now that“既然”；D. Even if“即使”。本句表示上下文的条件关系，故选B。

4．I'll lend you the money only on you can pay on time.
A．condition that; it back B．condition that; for it
C．conditions that; for it D．conditions that; it back

全面解析：只要你能按时还钱,我就把钱借给你。on condition that固定短语，“条件是......”引导条件状语从句;pay back"偿还";pay for"付钱买"。故选A。

5．Please don't call me at the office ________ it's really necessary.
A．if B．unless C．as if D．except

全面解析：除非真的有必要，否则请不要给我办公室打电话。A. if“如果”;B. unless“除非”;C. as if“好像”;D. except“除……之外”。根据句意选B。

6．James, I don't mind lending you the money you pay it back within a month.
A．although B．now that C．unless D．as long as

全面解析：杰姆斯，我不介意借给你钱只要你在一个月内还给我。A. although“尽管"；B. now that"既然"；C. unless"除非"；D. as long as"只要"。故选D。

7．We make no restrictions on the kinds of films we show — ________ a film's quality meets our standards, we include it.
A．so that B．no matter how C．except that D．as long as

全面解析：我们对展示的电影不设限，只要电影的质量达到了我们的标准，我们就接受它。A. so that “因此，为的是”；B. no matter how “不管怎样”；C. except that “除非”；D. as long as “只要”。分析句子可知，只要电影的质量满足标准就接受，故选D。

8．They haven't solved the problem yet ._____she had listened to what he said!
A．Only if B．If only C．Even if D．As if

全面解析：他们还没有解决这个问题。要是她听了他的话就好了。A. Only if“只有当.......”；B. If only“要是 ... 多好，只要”；C. Even if“即使”；D. As if“好像”。故选B。

9．Remove clothing using scissors if necessary ________ it is stuck to the bum.
A．unless B．until C．although D．because

全面解析：如果有必要，用剪刀把衣服剪下来，除非它粘在屁股上。A. unless“除非”；B. until“直到......为止”；C. although“尽管”；D. because“因为”。结合句意可知此处是unless引导的条件状语从句，故选A。
10．You can play anywhere on campus _______ you're safe.
A．as long as B．as far as C．as soon as D．as much as

全面解析：只要你安全，你可以在校园里任何地方玩。A. as long as“只要”；B. as far as“直到”；C. as soon as“一.......就.....”；D. as much as“与......一样多”。根据“you're safe”作条件状语，因此使用as long as引导条件状语从句，故选A。

11．You may arrive in Beijing early _____ you mind taking the night train.
A．that B．though C．unless D．if

全面解析：你可以早点到达北京，除非你介意乘坐夜里的火车。A.that在定语从句中作主语或宾语，名词性从句中无意义；B though“ 尽管”；C unless“除非”；D if“如果，是否”。根据句意可知，这里表示的是“如果不愿乘坐夜里的车，就不能早点到北京”，unless相当于if not，故选C。

12．________you have tried yourself can you learn what an exciting game it is.
A．Only if B．Even if C．If only D．As if

全面解析：只有你亲自试过你才会知道这个游戏是多么的刺激。only if“ 如果，只有”；even if“即使”；if only“要是.......就好了”；as if“仿佛，好像”。根据“从can you learn what an exciting game it is!”可知此处是倒装结构，只有Only +状语位于句首，后面用部分倒装语序。此处only 后面跟的是if条件状语从句，故选A。

13．—Let's go fishing if it ________ this weekend.
—Good idea.
A．don't rain B．won't rain C．will rain D．doesn't rain

全面解析：——如果这个周末不下雨，我们去钓鱼吧。——好主意。if引导的条件状语从句，主句用一般将来时态，从句用一般现在时，且it是第三人称单数，谓语动词用单三式，故选D。

14．He says that if it tomorrow, he fishing.
A．will rain; won't go B．rained; will go
C．rains; won't go D．rain; will go

全面解析：他说如果明天不下雨，他将去钓鱼。if在此表示“如果，假如”，引导条件状语从句时，从句用一般现在时，主句用一般将来时。故选C。

15．He was allowed to go swimming _______ he kept near the other boys.
A．on condition that B．as far as
C．even if D．as though

全面解析：他被允许去游泳，条件是他待在其他男孩附近。A. on condition that“只要”；B. as far as“正如”；C. even if“即使”；D. as though“好像”。后句是前句成立的条件，因此使用on condition that意为“只要”切合题意。故选A。

16． talking with him, you'll find him an easy-going man.
A．Once B．Unless C．Until D．Before

全面解析：句意: 一旦与他交流, 你就会发现他是一个随和的人。once意为"一旦", 符合题意, 此句补充完整为: Once you are talking with him, you'll find him an easy-going man。故选A。

17．All the photographs in this book, stated otherwise, date from the 1950s.
A．unless B．until C．once D．if

全面解析：句意:除非另有说明,所有的图片始于19世纪50年代。A. unless“除非”; B .until“直到”；C. once“一旦”; if “如果”。分析句子可知,本句缺少表示" 除非"的连词。且从句省略了主语All the photographs和 are。故选A。

18．____________ the road is so slippery after the heavy snow, why not stay at home?
A．Due to B．As long as C．Now that D．Even if

全面解析：既然大雪过后路很滑，为什么不待在家里呢? A. Due to“由于”；B. As long as “只要”；C. Now that“既然”；D. Even if“即使”，根据题意，故选C。
19．If you feel one of your teammates isn't pulling their weight, _____________.
A．and then you raise your concerns in a professional way.
B．and then raise your concerns in a professional way.
C．then raise your concerns in a professional way.
D．then raising your concerns in a professional way.

全面解析：如果你觉得你的队友没有尽到自己的责任,那就用专业的方式提出你的担忧。此处是if引导的条件状语从句，所填空应是主句，不需要连接词，C项是祈使句做主句，故选C。

20．_______ you can sleep well, you will lose the ability to focus, plan and stay motivated after one or two nights.
A．Once B．Unless C．If D．When

全面解析：除非你能睡好，否则一两个晚上之后，你会失去专注、计划的能力和保持积极性。A. Once"一旦”；B. Unless“除非”；C. If“如果”；D. When“当……时候”。故选B。

21．—Do you think the weather will be fine this spring?
—No, we are fortunate. The weatherman forecasts there will be several sand storms.
A．if B．as C．though D．unless

全面解析：—你认为今年春天天气会好吗？—不，除非我们很幸运，否则的话今年春天不会有好天气。天气预报员预测将有几场沙尘暴。A. if“如果”；B. as“正如”；C. though“虽然”；D. unless“除非”。此处为条件状语从句，根据句意，表示“除非”应用unless。故选D。

22．One's life has value_________ one brings value to the life of others.
A．so long as B．even though C．as if D．while

全面解析：只要我们给别人的生活带来价值，我们的生命就是有价值和意义的。A： so long as“只要”；B： even though“即使”；C： as if“仿佛，好像”；D： while“当......时候，尽管”。本句使用as long as表示条件。故选A。

23．You can't expect to have any friends _________ you don't make any effort with people.
A．until B．if C．unless D．though

全面解析：如果你不努力与人交往，就别指望会有朋友。A. until"直到"；B. if"如果"；C. unless"除非，如果不"；D. though"尽管"。前后文为条件关系，后文“you don't make any effort with people(你与人交往不作出努力)”为前文“You can't expect to have any friends(你不能指望会有朋友)”的肯定条件句。故选B。

24．Life doesn't count for much _____ you're willing to do your small part to leave our children a better world.
A．unless B．when C．though D．if

全面解析：如果你不愿意付出你的努力给孩子们留下一个更加美好的世界，生活就没有意义。A. unless“除非，如果......不......”；B. when“当......时”；C. though“尽管”；D. if“如果”。根据句意可知本句应该使用连词unless引导条件状语从句。故选A。

25．______, there is a good chance that our team will win ____we have made full preparations.
A．However fierce the competition is; so long as
B．However the competition is fierce; as long as
C．However fierce is the competition; as long as
D．However fierce the competition is; as far as

全面解析：不管竞争多么激烈，只要我们做好充分的准备，我们队获胜的机会很大。第一空为however引导的让步状语从句，后跟形容词fierce，表示“无论多么激烈”，故第一空填However fierce the competition is，故排除B、C选项；第二空为so long as引导的条件状语从句，so long as“只要”，as far as“就……而言”，as long as“和……一样长”，分析选项可知。故答案选A。

26．A stupid man tells a woman to shut up, while a wise man tells her that her mouth is quite beautiful it is closed.
A．unless B．since C．when D．though

全面解析：愚蠢的人让一个女士闭嘴，而聪明的人告诉这个女士当她的嘴闭着的时候很美．根据语境以及上下文，可以推测这是一个时间状语从句，故选C。

27．Doing your homework is a sure way to improve your test scores, and this is especially true ____ it comes to classroom tests.
A．before B．since C．when D．after

全面解析：做作业是提高考试成绩的好方法，尤其是在课堂考试方面。when it comes to...固定短语“当谈到......，当涉及到......”，故选C。

28．I'll be out for some time. ________ anything important happens, call me up immediately.
A．In case B．As if C．Even though D．Now that

全面解析：我要出去一会儿。万一有重要事情的话，立即给我打电话。A.In case“万一”；B.As if“仿佛”；C.Even though“即使”；D.Now that“既然”。根据句意可知：给我打电话的前提是如果发生重要的事情，所以前句话表示后面情况发生的一种条件，in case可以引导条件状语从句，故选A。

29．Your work would be much better ______ you are always in such a hurry.
A．when B．because C．once D．unless

全面解析：句意:你的工作会做的更好如果你不是那么地匆忙的话。when“当……时候”；because“因为”；once“一旦”；unless“如果不”。根据句意，故选D。

30．Which of the following statements is right?
A．If only he worked hard, would Tom be able to manage the company.
B．Only does he work hard will Tom be able to manage the company.
C．Only does he works hard Tom will be able to manage the company.
D．Only Tom will be able to manage the company if he works hard.

全面解析：列哪个句子是正确的？if only引导条件状语从句时，主句无需部分倒装，故A选项错误；only表示“只有”时，作副词，后面的句子无需部分倒装，故B项和C项错误；D项中，if引导条件状语从句，主句用正常语序，句子结构正确，故选D。
31．________ you've read the story, you can't imagine how interesting it is.
A．Unless B．Because C．Although D．When

全面解析：除非你读了这个故事，否则你无法想象它多么有趣。A. Unless 除非；B. Because因为；C. Although虽然；D. When当……时候。根据句意此空是“除非”的意思，故选A。

32．The rivers will become dirtier and dirtier we take action to protect them.
A．since B．if C．until D．unless

全面解析：除非我们采取措施保护河流，不然它们会越来越脏。A. since“ 自从，由于”；B. if “如果”；C. until“ 直到”；D. unless“ 除非。分析”。根据前句说“河流越来越脏”，后半句说“我们采取措施保护他们”可知，填入unless引导条件状语从句符合题意。故选D。

33．— We'll visit the Summer Palace__________ there is a heavy rain tomorrow.
— OK! Boating on the lake must be great fun.
A．unless B．since C．until D．if

全面解析：——如果明天不下大雨，我们就要去参观颐和园。——好吧，在湖上泛舟肯定很有趣。A. unless”除非，如果不“；B. since”由于，自从……以来“；C. until”直到……为止“；D. if”是否，如果“。结合语境可知选A。

34．They agreed to lend us the car __________ we returned it before the weekend.
A．even though B．as though
C．on condition that D．if only

全面解析：考查状语从句引导词。句意：他们同意把车借给我们，条件是我们在周末前归还。even though尽管；as though仿佛，好像；on condition that如果；if only要是…多好。根据句意，借车的条件是在周末前将车归还，所以此处用表示条件的on condition that来引导条件状语从句。故答案选C。

35．—Does David love playing soccer?
—Yes. He plays soccer almost every day______it rains heavily.
A．whether B．if C．unless D．as

全面解析：—— David喜欢踢足球吗？——是的，除非下大雨，不然他几乎每天都踢足球。此处是unless引导的条件状语从句，故选C。

36．________ we deal with our problems, we can easily become unhappy.
A．Unless B．Until C．Though D．Whether

全面解析：除非我们处理好我们的问题，否则我们很容易变得不快乐。A. Unless“除非”；B. Until直到；C. Though虽然；D. Whether是否。由“we deal with our problems, we can easily become unhappy”可知，句子表示“除非我们处理好我们的问题，否则我们很容易变得不快乐”，空格处意为“除非”，用unless，引导条件状语从句，故选A。

37．I ________ the vase on the top of the shelf when the chair which I stood on broke.
A．was to reach B．was going to reach
C．would reach D．was about to reach

全面解析：我正要够到架子顶上的花瓶时，我站着的椅子坏了。be about to...when...固定句型，“正要做........，突然........”，引导时间状语从句，故选D。

38．______ these conditions are fulfilled can the application proceed to the next stage.
A．Only if B．Now that C．Even though D．If only

全面解析：只有满足这些条件，申请才能进入下一阶段。A： Only if“只有”；B： Now that“既然”；C： Even though“即使”；D： If only“要是.....多好”。可知选A。

39．We'll visit Expo 2010 Shanghai this Sunday_______ it rains or it's very hot.
A．since B．if C．unless D．until

全面解析：如果不下雨，天气也不热，我们这个星期天将参观2010上海世博会。此处是unless引导的条件状语从句，故选C。

40．______ I know the money is safe, I shall not worry about it.
A．Even though B．Unless C．As long as D．While

全面解析：只要我知道这笔钱是安全的，我就不会为它担忧。 even though“即使”；unless除非；as long as“只要……就……”；while“然而，当....时候”。根据语境可知，选C。

41．He was allowed to stay on with his grandma he restricted himself to his studies.
A．in case B．even if C．as though D．so long as

全面解析：只要他能限制自己到学业上，就被允许继续和他的奶奶待在一起。A. in case“以备，以免”；B. even if“ 尽管、即使”；C. as though“ 好像”；D. so long as “只要”。根据“restricted himself to his studies”管好自己去学习，结合句意，故选D。

42．Success always hides behind the next comer in the road, so you will never know how close it lies you turn the corner.
A．as B．if C．though D．unless

全面解析：成功总是藏在路的另一个拐角处，所以你永远不会知道它离你有多近，除非你转过这个拐角。A. as“因为”；B. if“如果”； C. though“尽管”；D. unless“除非”。根据题意，故选D。

43．In the United States and some other countries, it is the driver's responsibility to make sure that children under fourteen do not ride in the front seat they are wearing a seat belt of some kind.
A．while B．even C．until D．unless

全面解析：在美国和其他的一些国家，务必不要让十四岁以下的孩子坐在前排座位上是司机的职责，除非他们系好某种安全带。A. while“当……的时候”，引导时间状语从句；B. even“甚至，更”；C. until“一直”；D. unless“除非，如果不”，引导条件状语从句。故选D。

44．How long do you think the conflict between Japan and China comes to an end?
A．will it be until B．will it be when
C．it will be before D．it will be that

全面解析：你认为还有多长时间中国和日本能够结束冲突？do you think是插入语，它用疑问句的形式，它的后面应该用陈述语气，这里固定句式it will be +some time before +…表示还要过多久才能……。故选C。
45．________ you have seen that beautiful scenery, you will never forget it.
A．While B．Though C．Once D．Because

全面解析：一旦你看过那美丽的风景，你就永远不会忘记它。A： While“尽管，当......的时候”；B： Though“尽管”；C： Once“一旦”；D： Because “因为”。结合句意，此处应用once引导的条件状语从句，故选C。

46．There are fewer and fewer tigers in the world. The situation will continue ________ humans stop killing them for fur and bones.
A．if B．since C．unless D．because

全面解析：句意: 世界上老虎越来越少。 除非人类停止为了它们的毛皮和骨头而杀死它们，否则局势将继续下去。A. if”如果“；B. since”自从，因为“；C. unless”除非“；D. because”因为“。根据句意，这里要表达的是“除非人类停止为了它们的毛皮和骨头而杀死它们，否则局势将继续下去”，故选C。

47．—Do you like sports?
—Yes, I do some running in the park every day the weather is terrible.
A．if B．after C．unless D．while

全面解析：——你喜欢运动吗？——是的，如果天气不糟糕，我就会每天在公园里跑步。”此处指除非天气很糟糕我就不去跑步，否则的话我就每天去公园跑步。应用unless引导条件状语从句，故选C。

48．________ me a chance to try, I believe, I won't disappoint you.
A．If you give B．Give C．To give D．Giving

全面解析：如果你给我一个机会去尝试，我相信我不会让你失望的。分析句子可知，I believe为插入语，后句为完整句子，且无连词连接，故前句用连词if引导作条件状语从句。故选A。

49．—Julie, are you going to Mike's birthday party on Sunday?
—________ I am invited
A．Unless B．Since C．Though D．While

全面解析：——Julie，星期天你要去参加Mike的生日聚会吗？——除非我被邀请。根据句意可知应该使用表示否定条件的连词unless，故选A。

50．— We'll visit the Summer Palace there is a heavy rain tomorrow.
— OK! Boating on the lake must be great fun.
A．unless B．since C．until D．if

全面解析：——如果明天不下大雨，我们就要去参观颐和园。——好吧，在湖上泛舟肯定很有趣。unless“除非，如果不”；since“由于，自从……以来”；until“直到.......”；if“是否，如果”。结合语境可知选A。