高考英语单项选择分类训练：状语从句70题（有解析）
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| 名称 | 高考英语单项选择分类训练：状语从句70题（有解析） |  | |
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| 更新时间 | 2023-05-01 19:37:35 | ||
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单项选择：状语从句
1．You can learn enough first aid knowledge in a few minutes—________ it’s from reading a book, attending a course or watching vides online.
A．when B．as C．whether D．once
2．If you are travelling ________ the customs are totally different from your own, you may feel a cultural shock.
A．which B．in which C．where D．in the place
3．—Do you know a new shopping mall opened in our town yesterday
—Yes. Why don’t we pay a visit ______ we have time
A．since B．though C．until D．unless
4．Why do so many students stick to private tutoring, ________ they could easily master such knowledge at school
A．unless B．before C．when D．until
5．There is a rule in the library that one is required to put the book ______ it is after finishing reading it.
A．what B．how C．where D．when
6． , you can turn to me for help.
A．However the problem is difficult B．No matter how difficult is the problem
C．No matter how is difficult the problem D．However difficult the problem is
7．My grandfather still plays tennis now and then, ________ he’s in his nineties.
A．as long as B．even if C．as if D．in case
8．If you miss this chance, it may be years ________ you get another one.
A．while B．before C．after D．since
9．—Bill, will you leave for China right now
—No. It will be a month________ I leave here.
A．while B．before C．since D．when
10．The procedure appealed to the staff a lot________it was introduced to them in January.
A．since B．until C．when D．though
11．You can fly to Japan this morning ______ you don’t mind changing planes in Hong Kong.
A．provided B．because C．unless D．so far as
12．No matter _____, the work of Beethoven are still popular with people all over the world.
A．what frequently performed B．how performed frequently
C．what performing frequently D．how frequently performed
13．He was ________ selfless man that everybody ________ him.
A．so a; respectable B．a such; respect C．such a; respects D．such a; respected
14．I shall stay in the hotel all day there is news of the missing child.
A．in case B．no matter
C．in any case D．in case of
15．She returned ______ she heard the good news.
A．at B．on C．immediate D．immediately
16．You see the lightning _____ it happens, but you hear the thunder later.
A．the instant B．for an instant C．on the instant D．in an instant
17．Every one of you, ______ the basketball field used to be, quickly please.
A．gathers where B．gather where C．will gather at D．gather at
18． you prefer, I’ll give it to you, but we haven’t any other models for you to choose from.
A．Whatever B．Whenever
C．However D．Whichever
19．_____ wrong he is, his wife will always support him.
A．However B．Whenever
C．Whatever D．Whichever
20．Attention please，everyone!Please be sure to keep still I take a photo of you.
A．for the moment B．the moment
C．at the moment D．in a moment
21．________ we all know, the beauty of calligraphy consists in the inner peace ________ you experience Chinese brilliant culture.
A．As; in which B．As; when
C．That; what D．That; where.
22．_____ it is true that a student’s most important goal is to do well in her or his studies, it doesn’t need to be the only goal.
A．As B．While C．When D．Since
23．Distant education is playing a more and more important role, making it possible for people to be educated ______ they do.
A．however B．wherever C．whenever D．whatever
24．You can often impress your boss by dressing in a businesslike way ________ others dress casually.
A．as long as B．even if C．before D．since
25．________ we achieve great success in our work, we should not be too proud.
A．Ever since B．Even if C．In case D．As though
26．________ gardening may be hard physical work, those who love it find it very relaxing mentally.
A．Although B．Once C．Since D．Unless
27．Fortunately, somebody who happened to be passing by called the fire department ______ the fire broke out.
A．hurriedly B．quickly C．instantly D．shortly
28．__________, the dancers practice hard to make their dreams come true.
A．Being disabled as they B．Although disabled they are
C．Disabled though they are D．As they are disabled
29．Let’s not pick these peaches until this weekend ________they get sweet enough to be eaten.
A．ever since B．as if
C．even though D．so that
30．Hard-working though he was, ______ there was never enough money to pay the bill.
A．and B．/ C．but D．therefore
31．Some educators believe that it is so good a habit to instruct children to lay things ________ they belong when they are young.
A．to which B．that C．in which D．where
32．Take the note as a reminder ________ you forget to buy some sweets for the kids while shopping there.
A．while B．since C．in case D．even if
33．You have my word ________ I won the lottery one day, I would buy you a new car.
A．if B．that C．if that D．that if
34．So sudden ________ that Timothy fainted ________ he knew it.
A．was the news; for the moment B．the news was; for the moment
C．was the news; the moment D．the news was; the moment
35．As is known to all, one of the true tests of leadership is the ability to recognize an issue ________ it becomes an emergency.
A．when B．before C．after D．unless
36．— How long have you been collecting shells
— ________.
A．After I left school B．Before I moved here
C．When I went to the beach D．Since I was ten years old
37．________ we deal with our problems, we can easily become unhappy.
A．Unless B．Until C．Though D．Whether
38．Our mother sat us down to read and paint, ________ all we really wanted to do was to make a mess.
A．when B．however C．since D．and
39．—When did you arrive ________ we camped last Friday
—It was not until midnight ________ it was raining hard.
A．where; when B．which; that C．where; that D．which; when
40．Someone called me up in the middle of the night, but he hung up ________I could answer the phone.
A．unless B．until C．before D．since
41．______ she came back, she threw her arms around me, ______ sad and helpless.
A．The instant when; looked B．The instant when; looking
C．The instant; looked D．The instant; looking
42．______ I agree with you, I don’t think your solution is the best.
A．If B．Since C．While D．As
43．You should always try to achieve more, _________ well you have done before.
A．however B．whatever C．whenever D．wherever
44．_________ it may be possible to measure the value of material goods in terms of money, it is extremely difficult to estimate the true value of the services which people perform for us.
A．Because B．Though C．Given D．When
45．________in everyday life consumers have seen lots of successful examples of advertisements like Kodak, Nike, Coca-Cola, and McDonald’s, there are still some examples that do not reach the expected goal.
A．As B．Because C．In addition D．While
46．The manager believes that stupid ________ Mr. Smith is, ________ he said makes perfect sense.
A．that; which B．as; what C．as; that D．though; which
47．The two collectors have determined to buy the precious Egyptian vase, _______.
A．however much it costs B．no matter how it costs
C．however much does it cost D．no matter how much does it cost
48．The panda mom has_________of parenthood that she can’t be entrusted with the baby.
A．such little experience B．so little experience
C．so little an experience D．such a little experience
49．—When is the school art festival
—It will be held on time if it ________ next Monday.
A．don’t rain B．won’t rain C．doesn’t rain D．didn’t rain
50．________ many children like KFC, I think they'd better try not to eat it too often.
A．Because B．When
C．Although D．If
51．Children are admitted________ accompanied by an adult.
A．only if B．even though C．now that D．as though
52．______ Long had been riding horses for many years, the hardship and uncertainty of the task pushed him to his limit.
A．Although B．Unless C．Once D．If
53．________ there has been real progress in the e-plane industry, the technical challenges that remain are keeping everyone’s feet firmly on the ground.
A．While B．As long as C．Since D．In case
54．Remember that you won’t be able to cancel the contract ________ you’ve signed.
A．unless B．until C．though D．once
55．Young people are more willing to study the skills of paper cutting these days, _____ local authorities have put great efforts in promoting the handicraft.
A．if B．though C．as D．unless
56．I will keep drawing and see what happens. ________ I never become famous, this is what I love to do every hour of every day.
A．Even if B．Unless C．So long as D．Now that
57．The WTO can not live up to its name ______ it doesn’t include a country that is home to one fifth of mankind.
A．if B．even if C．so D．until
58．I was so familiar with him that I recognized his voice ________ I picked up the phone.
A．while B．after C．in case D．the moment
59．It was 5:00 pm and I was ready to go home. I was about to turn off my computer ________ I received an email
from my director.
A．after B．while C．before D．when
60．—How long do you think it will be ________ China sends a manned spaceship to the moon
—Perhaps two or three years.
A．when B．before C．that D．until
61．______ serious a problem you may have, you should show your courage to face the challenge.
A．Whatever B．Wherever C．However D．Whenever
62．－Did you explain it to your boss
－He stormed out of the office ________ I could get in a word.
A．since B．when C．before D．after
63．The teacher gave the students such a difficult maths problem ________ nobody worked it out.
A．as B．which C．so D．that
64．If you are wrong, the project will surely fail, ______hard we try.
A．whatever B．whichever
C．even though D．no matter how
65．In order to make full use of the energy, many water power stations are built ______ there are big waterfalls.
A．unless B．so that C．where D．whether
66．We ________home ________it began to rain heavily.
A．had left; hardly when B．hardly left; than
C．have hardly left; than D．had hardly left; when
67．________ you go abroad, it is likely that you will have trouble ________ the life abroad.
A．The first time; adjusting to
B．For the first time; adjusting to
C．The first time; to adjust to
D．For the first time;to adjust to
68．I’ll bring some medicine just________some of us get sick while travelling.
A．as if B．in case C．even though D．as long as
69．We should learn more information technology ________ we can improve our teaching efficiency.
A．so that B．in case C．now that D．even if
70．Laura decided that ________ she might face, she would make sacrifice to make the children happy.
A．however a serious challenge B．what a serious challenge
C．however serious a challenge D．what serious a challenge
参考答案：
1．C
【详解】考查让步状语从句。句意：你可以在几分钟内学到足够的急救知识——无论是通过读书、参加课程还是在线观看视频。固定结构：whether...or...“不管……还是……”。引导让步状语从句。结合句意及选项可知，选项C符合题意，故选C。
2．C
【详解】考查状语从句。句意：如果你去一个风俗习惯和自己国家完全不同的地方，你会感受到很大的文化冲击。此处引导地点状语从句，表示“……的地方”应用where。故选C。
3．A
【详解】考查连词词义辨析。句意：——你知道昨天我们镇上新开了一家购物中心吗？——是的。既然我们有时间，为什么不去逛逛呢？A. since因为，既然；B. though虽然；C. until直到……为止；D. unless除非。根据上下文可知，前文存在因果关系，此处应用since引导原因状语从句。故选A项。
4．C
【详解】考查连接词词义辨析。句意：既然在学校就能轻松掌握这些知识，为什么还有那么多学生坚持请家教呢？A. unless除非；B. before在……之前；C. when既然；D. until直到 。根据句意及所给句子可知，前后句意存在转折关系，应用when引导让步状语从句。故选C。
5．C
【详解】考查地点状语从句。句意：图书馆里有一条规定，那就是读者读完后必须把书放回原位。分析句子可知，此处为连词where“在……地方”引导的地点状语从句，表示动作发生的地点，满足句意要求。故选C项。
6．D
【详解】考查状语从句。句意：不管问题有多难，你都可以找我帮忙。引导让步状语从句，however后可直接加形容词/副词，再加主语，加谓语动词，表示“无论……，不管……”，故排除A选项；no matter how从句中的形容词或副词必须紧接其后，故排除C选项；B选项中谓语应放在主语problem之后，故排除C。故选D。
7．B
【详解】考查状语从句。句意：我祖父仍然时不时打网球，尽管他已经九十多岁了。A. as long as只要；B. even if尽管，即使；C. as if似乎，好像；D. in case以防，万一。根据句意可知，尽管祖父九十多岁了，还时不时打网球，even if引导让步状语从句，表示“尽管” 符合句意。故选B项。
8．B
【详解】考查时间状语从句连词。句意：如果你错过了这个机会，你可能需要几年的时间才能得到另一个机会。A. while当；B. before在……之前；C. after在……之后；D. since自从。此处为固定句型：it be+一段时间+before...“要过……才……”，before引导时间状语从句。故选B。
9．B
【详解】考查时间状语从句。句意：——比尔，你现在就去中国好吗？——没有。我还需要一个月才能离开这里。根据句意，“在我离开这里之前还需要一个月”，“在……之前”是before。故选B项。
10．C
【详解】考查状语从句。句意：这一程序在今年1月推出时，员工们非常感兴趣。A. since自从，因为；B. until直到；C. when当；D. though尽管。分析句子可知，空处引导状语从句，结合句意表示“当……的时候”用when引导该从句。故选C项。
11．A
【详解】考查连词词义辨析。句意：假如你不介意在香港换机的话，你可以坐飞机去日本。A. provided假如；B. because因为；C. unless除非；D. so far as就……而言。结合句意，provided引导条件状语从句，表示假设关系，符合前后句的句间关系。故选A项。
12．D
【详解】考查让步状语从句。句意：不管贝多芬的作品被演奏得多么频繁，他的作品仍然受到全世界人民的欢迎。分析句子，句中no matter引导的是让步状语从句，修饰副词frequently，表示“多么”用how；表示“表演”用perform，句子表述过去事实，故使用一般过去时。故选D。
13．D
【详解】考查结果状语从句的中间结构。句意：他是一个无私的人，大家都很尊敬他。so为副词，修饰形容词，常用结构为so+形容词+不定冠词a/an+单数名词；such为形容词，修饰名词或名词短语，常用结构为such+不定冠词a/an+形容词+单数名词。故such a selfless man = so selfless a man；第二空在句中作谓语，应用动词，结合前面的was可知，此处应用过去时，故填respected。故选D项。
14．A
【详解】考查状语从句。句意：我应该整天待在旅馆，以防有那个失踪孩子的消息。A. in case以防；B. no matter无论，不管；C. in any case不管怎样；D. in case of如果发生……。分析句子可知，句子为目的状语从句，根据句意可知，应用“in case”引导从句，意为“以防”，注意不能用“in case of”，“in case of”不能引导从句。故选A项。
15．D
【详解】考查时间状语从句。句意：她一听到这个好消息就回来了。A. at在；B. on在上面； C. immediate立刻的； D. immediately一……就。immediately是从属连词，引导时间状语从句。故选D。
16．A
【详解】考查instant相关短语辨析。句意：闪电一发生你就看见闪光，但过一会儿才听到雷声。A.the instant一……就……；B.for an instant一瞬间；C.on the instant立即；D. in an instant很快，马上。由句意知闪电一发生就会看到光，A项the instant充当连词引导时间状语从句，相当于as soon as，符合句意。故选A项。
17．B
【详解】考查时态和地点状语从句。句意：你们每一个人，快到原先是篮球场的地方集合。根据句意及所给句子可知，此处是祈使句，应用动词原形开头，A、C错误；where the basketball filed used to be为地点状语从句，where在从句中做be后面的表语，指地点。故选B。
18．D
【详解】考查让步状语从句。句意：无论你要哪一个，我都给你，但我们没有任何别的型号供你从中挑选了。根据句子分析可知，whichever此处用作prefer的宾语，引导让步状语从句，意为“无论哪一个”，由于有一定的范围，故选D。
19．A
【详解】考查状语从句。句意：无论他多错，他妻子总是支持他。A. However无论如何；B. Whenever无论何时；C. Whatever无论什么；D. Whichever无论哪个。根据空后有形容词wrong可知，此处为“however+形容词+主谓”结构。故选A项。
20．B
【详解】考查连词。句意：请大家注意！在我给你们拍照的时候一定不要动。A.for the moment 暂时，目前；B.the moment 一…就；C.at the moment 此刻，目前，眼下；D.in a moment 一会儿，立刻，马上。根据句子分析可知，此处应用连词the moment“一……就……”引导时间状语从句，故选B。
21．B
【详解】考查从句。句意：众所周知，当你体验中国灿烂的文化时，书法的美在于内心的平静。分析句意可知，第一空使用连词as引导非限定性定语从句，构成的as we all know意为“周所周知”；第二空使用连词when引导时间状语从句。故选B项。
22．B
【详解】考查让步状语从句。句意：尽管学生最重要的目标确实是在她或他的学习中取得好成绩，但这并不需要是唯一的目标。A. As尽管；B. While尽管；C. When当……的时候；D. Since自从。根据句中“a student’s most important goal is to do well in her or his studies(学生最重要的目标确实是在她或他的学习中取得好成绩)”及“it doesn’t need to be the only goal.(这并不需要是唯一的目标)”可知，两者之间是让步关系，应用while引导让步状语从句，as引导让步状语从句时，需要使用倒装结构。故选B。
23．D
【详解】考查状语从句。句意：远程教育正发挥着越来越重要的作用，使无论是什么职业的人都能受到教育。A. however无论如何；B. wherever无论在哪；C. whenever无论何时；D. whatever无论什么。分析句子结构，后文make it + adj. + for sb. to do sth.为make+宾语+宾补结构，其中it是形式宾语，真正的宾语是不定式结构，句子结构完整，故空处为状语从句；结合选项含义，D项带入表示“无论他们做什么”逻辑通顺。故选D项。
24．B
【详解】考查连词词义辨析。句意：即使别人穿得很随意，你也可以通过穿得有条不紊来给老板留下深刻印象。A. as long as只要； B. even if 即使；C. before在……之前； D. since自从。分析句子可知，空处及之后的内容在句中为让步状语从句，意义上为“尽管，纵然”，故选B。
25．B
【详解】考查状语从句。句意：即使在工作中取得巨大成功，我们也不应该骄傲。A. Ever since自从；B. Even if即使，尽管；C. In case以免；D. As though好像。分析句子结构可知，此处为连词引导状语从句，结合句意可知，两个句子之间为让步关系，even if意为“即使，尽管”符合语境。故选B项。
26．A
【详解】考查让步状语从句。句意：虽然园艺有可能是艰难的体力工作，但是对于那些热爱园艺的人来讲，它却是脑力上的放松。A. Although尽管；B. Once一……就……；C. Since自从；D. Unless除非。由语意可知，“园艺是项艰难的体力工作”与“对于热爱园艺的人而言，园艺工作是脑力上的放松”之间是让步关系，所以此处应用连词although表让步。故选A项。
27．C
【详解】考查连词和副词。句意：幸运的是，火灾一发生，一位碰巧路过的人就打电话报告了消防局。A. hurriedly匆忙；B. quickly快速；C. instantly一……就（连词）；D. shortly马上。分析句子结构可知，该处应填连词，而instantly可作连词，意为：一……就；故选C。
28．C
【详解】考查倒装句。句意：尽管他们是残疾的，但舞者们努力练习以实现他们的梦想。分析句子结构可知，此处考查的是as/though引导让步状语从句时的倒装结构，其常见结构为“名词(无冠词）/形容词/副词+as/though+主语+谓语”。故选C项。
29．D
【详解】考查连词词义辨析。句意：让我们这个周末再摘这些桃子以便它们吃起来变得足够的甜。A. ever since自那时起；B. as if好像；C. even though尽管；D. so that以便。分析句子结构可知，此处应该选择连词引导状语从句，结合句意可知，从句为目的状语从句，所以用so that引导。故选D项。
30．B
【详解】考查状语从句。句意：尽管他很努力工作，却从来没有足够的钱来付账单。此处为though引导的让步状语从句，there was never enough money to pay the bill.为主句，前面不用连词。故选B。
31．D
【详解】考查状语从句。句意：一些教育家认为，教导孩子在小时候把东西放在该放的地方是一种很好的习惯。引导地点状语从句，表示“……的地方”应用从属连词where。故选D。
32．C
【详解】考查连词词义辨析。句意：把这张纸条作为提醒，以防你在那里购物时忘记给孩子们买糖果。A. while然而；B. since因为；C. in case以防；D. even if即使。根据“Take the note as a reminder”可知，用纸条作提醒，以防购物时忘记给孩子们买糖果，用in case引导目的状语从句。故选C。
33．D
【详解】考查同位语从句和条件状语从句。句意：我向你保证，如果有一天我中了彩票，我会给你买一辆新车。分析句子结构________ I won the lottery one day, I would buy you a new car是同位语从句，解释前面的抽象名词word，从句不缺任何成分和任何含义，故选that，同位语从句中又包含一个if引导的条件状语从句，所以空格处填that if。故答案为D。
34．C
【详解】考查部分倒装和时间状语从句。句意：消息来得如此突然，Timothy一知道就昏过去了。“so+形容词/副词”位于句首会引起句子部分倒装，即助动词提前到主语的前面，因此第一空是was the news，由“Timothy fainted”和“he knew it”可知，句子表示“消息来得如此突然，Timothy一知道就昏过去了”，“一……就……”是the moment，引导时间状语从句，故选C。
35．B
【详解】考查连词词义辨析。句意：众所周知，对领导力的真正考验之一是在问题变成紧急情况之前就发现问题的能力。A. when当……的时候；B. before在……之前；C. after在……之后；D. unless除非。由“recognize an issue”和“it becomes an emergency”可知，句子表示“对领导力的真正考验之一是在问题变成紧急情况之前就发现问题的能力”，空格处意为“在……之前”，用before引导时间状语从句，故选B。
36．D
【详解】考查时间状语从句。句意：——你收集贝壳有多久了？——从我十岁开始。由句意可知，how long在此处表示“多长时间”，对一段时间进行提问。回答how long的提问用“for+一段时间”或“since+时间点或者引导时间状语从句”。故选D。
37．A
【详解】考查从属连词。句意：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。
38．A
【详解】考查连词和副词辨析。句意：我们的父母让我们坐下来读书、画画，而我们真正想做的是打打闹闹。A. when虽然，然而；B. however然而；C. since既然；D. and并且。分析句子可知，前后文是句子，需填连词，however是副词，排除B项。两句表让步，应用when引导让步状语从句，这里的when，用于引出使句子的其他部分显得让人吃惊或不大可能的事实或评论，意思是“虽然，然而”。故选A项。
39．C
【详解】考查地点状语从句和强调句。句意：——你什么时候到上周五我们露营那里？——直到午夜，雨下得很大。分析句子可知，第一空为地点状语从句，主句和从句都缺地点状语，所以应用where；第二空考查强调句，即“it is+强调内容+that/who+句子剩余部分”，强调内容指物时只能用that引导，此处强调内容是until midnight，所以应用that。故选C项。
40．C
【详解】考查从属连词。句意：有人半夜给我打电话，但我还没来得及接电话，他就挂断了。A. unless除非；B. until直到；C. before在……之前；D. since自从。由语意可知，给我打电话那个人没有等到我接电话就挂断了，所以他是在我接电话前挂断的电话，因此此处应用before引导的时间状语从句。故选C项。
41．D
【详解】考查状语从句的连接词和非谓语动词。句意：她一回来就搂住了我，一副悲伤无助的样子。分析句子结构和选项，the instant本身就是状语从句的连接词，意为“一……就……”，所以后面无需再接连接词，本句已有谓语动词threw，所以look应用非谓语形式，它和逻辑主语she之间是主动关系，应该用现在分词形式，应用looking。故选D项。
42．C
【详解】考查连词词义辨析。句意：虽然我同意你的意见，但我不认为你的解决方案是最好的。A. If如果；B. Since自从；C. While虽然；D. As当……的时候。由“I agree with you, I don’t think your solution is the best”可知，句子表示“虽然我同意你的意见，但我不认为你的解决方案是最好的”，空格处意为“虽然”，用while，引导让步状语从句，故选C。
43．A
【详解】考查让步状语从句。句意：无论你以前做得多好，你都应该努力实现更多。A. however无论如何；B. whatever无论什么；C. whenever无论何时；D. wherever无论哪里。此处表示“无论你以前做得多好”，应用however引导让步状语从句，修饰副词well。故选A项。
44．B
【详解】考查连词。句意：虽然可以用金钱来衡量物质产品的价值，但要估计人们为我们提供的服务的真正价值是极其困难的。A. Because 因为；B. Though 虽然；C. Given鉴于；D. When当......时。根据“it may be possible to measure the value of material goods in terms of money(或许可以用金钱来衡量物质产品的价值)”和“ it is extremely difficult to estimate the true value of the services which people perform for us(要估计人们为我们提供的服务的真正价值是极其困难的)”可知，前后是让步关系，故需though引导，though意为“虽然”，符合语意。故选B。
45．D
【详解】考查连词词义辨析。句意：虽然在日常生活中消费者已经看到了很多成功的广告例子，如柯达，耐克，可口可乐，麦当劳，但仍然有一些例子没有达到预期的目标。A. As当……的时候；B. Because因为；C. In addition此外；D. While虽然。由“there are still some examples that do not reach the expected goal”可知，句子表示“虽然在日常生活中消费者已经看到了很多成功的广告例子，如柯达，耐克，可口可乐，麦当劳，但仍然有一些例子没有达到预期的目标”，空格处意为“虽然”，用while引导让步状语从句，故选D。
46．B
【详解】考查让步状语从句和名词性从句。句意：经理认为尽管史密斯先生很愚蠢，但他说的很有道理。根据句意再分析句子可知，believes后面的宾语从句中包含一个让步状语从句，并且这个让步状语从句是一个倒装句，把表语stupid提到了主语前，根据语法规则，as引导让步状语从句必须用倒装，though引导让步状语从句可以倒装，也可以不倒装，所以，第一个空格处用as或though都可以。第二个空格所在的部分“________he said”是一个主语从句，该主语从句缺少宾语，所以空格处应该填入一个连接代词，且意义为“……的”，应用what。故选B项。
47．A
【详解】考查状语从句。句意：两位收藏家决定买下这件珍贵的埃及花瓶，不管花多少钱。分析句子可知，however/no matter how引导让步状语从句，后紧跟形容词或副词，所以B项不对。后跟状语从句，不需倒装，所以C，D项不对，故选A项。
48．B
【详解】考查固定句型。句意：熊猫妈妈几乎没有为人父母的经历，所以不能托付给她照看宝宝。此处little修饰不可数名词，表示几乎没有；a little表示肯定的意思，指“有一点，有些”不符合语境；当名词被little(少)修饰时，只能用so。故选B。
49．C
【详解】考查动词时态。句意：——校艺术节是什么时候？——如果下周一不下雨，将如期举行。根据答语句意，if作“如果”讲，动词时态将遵循“主将从现”的原则，从句用一般现在时，主语it为第三人称单数，否定助动词用doesn’t。故选C。
50．C
【详解】考查让步状语从句。句意：虽然很多孩子喜欢肯德基，但我认为他们最好不要经常吃。分析句子可知，由文中“like”和后文“try not to eat it too often”可知，前后之间有转折意义。故选C项。
51．A
【详解】考查状语从句连接词辨析。句意：只有在成人陪同下，儿童才能进入。A. only if只有；B. even though尽管；C. now that既然；D. as though好像。由句意可知，儿童被允许，只有在有大人陪同下才行。故选A项。
52．A
【详解】考查连词词义辨析和让步状语从句。句意：虽然朗已经骑马多年，但这项任务的艰苦和不确定性把他推到了极限。A. Although虽然，尽管；B. Unless除非；C. Once一......就；D. If如果。根据句意可知，句子前后两个部分是让步关系，指的是虽然朗已经骑马多年，但这次任务对他来说依然艰苦，所以空处应填连词Although表示让步关系，引导让步状语从句。故选A项。
53．A
【详解】考查让步状语从句。句意：虽然电子飞机行业已经取得了真正的进步，但仍然存在的技术挑战让每个人都牢牢地站在了地面上。A. While尽管；B. As long as只要；C. Since自从；D. In case以防。结合句意可知，用While引导让步状语从句。故选A项。
54．D
【详解】考查连词词义辨析。句意：记住，一旦你签了合同就不能取消。A. unless除非；B. until直到；C. though尽管；D. once一旦。结合句意可知，此处指“一旦你签了合同就不能取消”，用once引导条件状语从句。故选D项。
55．C
【详解】考查连词词义辨析。句意：如今，年轻人更愿意学习剪纸技能，因为当地政府在推广这一手工艺方面付出了很大的努力。A. if如果；B. though尽管；C. as因为；D. unless除非。根据句意，年轻人愿意学习剪纸技能的原因是当地政府在推广，后句是解释原因，as表示“因为”，符合上下文句意，故选C项。
56．A
【详解】考查连词。句意：我继续画，看看会发生什么。 即使我永远不会出名，这也是我每天每时每刻都喜欢做的事。A. even if即使；B. unless除非；C. so long as只要；D. now that既然。根据前后两句可知是让步关系，even if引导让步状语从句，“即使”符合句意，故选A项。
57．A
【详解】考查条件状语从句。句意：如果世界贸易组织不包括一个拥有五分之一人口的国家，它就不可能名副其实。A. if如果；B. even if即使；C. so所以；D. until直到。结合句意可知，用if引导条件状语从句。故选A项。
58．D
【详解】考查时间状语从句。句意：我对他很熟悉，一拿起电话就听出了他的声音。A.while当……时，尽管；B. after在……以后；C. in case万一，假使；D. the moment一……就……。根据“I was so familiar with him”可知，此处指“一拿起电话就听出了他的声音”，用the moment引导时间状语从句，相当于as soon as。故选D项。
59．D
【详解】考查连词辨析和固定句型。句意：当时是下午5点，我准备回家了。我正打算关掉电脑，这时候收到了一封来自我的导师的电子邮件。A. after在……之后；B. while当；C. before在……之前；D. when当，这时。结合句意可知，此处为固定句型：be about to do...when...“正准备……这时突然……”，表示一个动作发生时突然出现了另一个动作。故选D。
60．B
【详解】考查连词词义辨析和固定句型。句意：——你认为中国还要多久才能把载人飞船送上月球 ——可能两三年。A. when当；B. before在……之前，……才……； C. that （用于某些动词、形容词和名词后，引出各种从句）；D. until直到。结合句意可知，此处为固定句型：it will be+时间段+before...“还要……才……”。故选B。
61．C
【详解】考查状语从句。句意：无论你有多么严重的问题，你都应该表现出面对挑战的勇气。A. Whatever无论什么；B. Wherever无论哪里；C. However无论多么；D. Whenever无论何时。引导让步状语从句，表示“无论多么”应用however，修饰形容词serious。故选C。
62．C
【详解】考查连词词义辨析。句意：——你跟你老板解释了吗？——我还没来得及插话，他就怒气冲冲地离开了办公室。A. since自从；B. when当……时候；C. before在……之前；D. after在……之后。根据前后文语境可知，“离开办公室”发生在“插话”之前，应用before。故选C。
63．D
【详解】考查结果状语从句。句意：老师给学生们出了一道如此难的数学题，以至于没人算出来。such a(n)+形容词+可数名词单数+that，表示“如此……以至于……”，其中that引导结果状语从句，故选D。
64．D
【详解】考查状语从句。句意：如果你错了，这个项目肯定会失败，不管你多么努力。根据空格后的副词hard可知，此处的让步状语从句要用no matter how或however引导。no matter how或however+ adj. / adv.+主+谓，意为“不论……”。故选D。
65．C
【详解】考查地点状语从句。句意：为了充分利用能源，在有大瀑布的地方修建了许多水力发电站。结合句意可知，此处应用where引导地点状语从句，表示“在有大瀑布的地方”。故选C。
66．D
【详解】考查固定句型和时态。句意：我们刚离开家就下起大雨来了。分析可知，此处考查固定句型：hardly...when...“一……就……”，hardly所在的主句用过去完成时，when引导的从句用一般过去时。故选D。
67．A
【详解】考查名词短语作连词和动名词作宾语。句意：你第一次出国，适应国外生活可能会有困难。the first time 用作连词，引导时间状语从句。have trouble (in) doing sth 做……有困难，是一个固定搭配。故选A。
68．B
【详解】考查连词词义辨析。句意：我要带些药，以防我们中的一些人在旅行时生病。A. as if好像；B. in case以防；C. even though尽管；D. as long as只要。根据句意和后文“some of us get sick while travelling”可知，此处应用in case引导条件状语从句。故选B项。
69．A
【详解】考查目的状语从句。句意：我们应该学习更多的信息技术，这样我们才能提高教学效率。A. so that 以便；为的是；B. in case 以防；C. now that既然； D. even if即使；纵然。分析可知，学习更多的信息技术的目的是提高效率，所以空白处填so that，符合题意，故选A。
70．C
【详解】考查让步状语从句。句意：劳拉决定，无论面临多大的挑战，她都要做出牺牲，让孩子们开心。根据句意可知，句中表达了“无论……”的含义，所以这是一个让步状语从句，可排除B项和D项；however引导让步状语从句，后接形容词或副词，排除A项。故选C项。
1．You can learn enough first aid knowledge in a few minutes—________ it’s from reading a book, attending a course or watching vides online.
A．when B．as C．whether D．once
2．If you are travelling ________ the customs are totally different from your own, you may feel a cultural shock.
A．which B．in which C．where D．in the place
3．—Do you know a new shopping mall opened in our town yesterday
—Yes. Why don’t we pay a visit ______ we have time
A．since B．though C．until D．unless
4．Why do so many students stick to private tutoring, ________ they could easily master such knowledge at school
A．unless B．before C．when D．until
5．There is a rule in the library that one is required to put the book ______ it is after finishing reading it.
A．what B．how C．where D．when
6． , you can turn to me for help.
A．However the problem is difficult B．No matter how difficult is the problem
C．No matter how is difficult the problem D．However difficult the problem is
7．My grandfather still plays tennis now and then, ________ he’s in his nineties.
A．as long as B．even if C．as if D．in case
8．If you miss this chance, it may be years ________ you get another one.
A．while B．before C．after D．since
9．—Bill, will you leave for China right now
—No. It will be a month________ I leave here.
A．while B．before C．since D．when
10．The procedure appealed to the staff a lot________it was introduced to them in January.
A．since B．until C．when D．though
11．You can fly to Japan this morning ______ you don’t mind changing planes in Hong Kong.
A．provided B．because C．unless D．so far as
12．No matter _____, the work of Beethoven are still popular with people all over the world.
A．what frequently performed B．how performed frequently
C．what performing frequently D．how frequently performed
13．He was ________ selfless man that everybody ________ him.
A．so a; respectable B．a such; respect C．such a; respects D．such a; respected
14．I shall stay in the hotel all day there is news of the missing child.
A．in case B．no matter
C．in any case D．in case of
15．She returned ______ she heard the good news.
A．at B．on C．immediate D．immediately
16．You see the lightning _____ it happens, but you hear the thunder later.
A．the instant B．for an instant C．on the instant D．in an instant
17．Every one of you, ______ the basketball field used to be, quickly please.
A．gathers where B．gather where C．will gather at D．gather at
18． you prefer, I’ll give it to you, but we haven’t any other models for you to choose from.
A．Whatever B．Whenever
C．However D．Whichever
19．_____ wrong he is, his wife will always support him.
A．However B．Whenever
C．Whatever D．Whichever
20．Attention please，everyone!Please be sure to keep still I take a photo of you.
A．for the moment B．the moment
C．at the moment D．in a moment
21．________ we all know, the beauty of calligraphy consists in the inner peace ________ you experience Chinese brilliant culture.
A．As; in which B．As; when
C．That; what D．That; where.
22．_____ it is true that a student’s most important goal is to do well in her or his studies, it doesn’t need to be the only goal.
A．As B．While C．When D．Since
23．Distant education is playing a more and more important role, making it possible for people to be educated ______ they do.
A．however B．wherever C．whenever D．whatever
24．You can often impress your boss by dressing in a businesslike way ________ others dress casually.
A．as long as B．even if C．before D．since
25．________ we achieve great success in our work, we should not be too proud.
A．Ever since B．Even if C．In case D．As though
26．________ gardening may be hard physical work, those who love it find it very relaxing mentally.
A．Although B．Once C．Since D．Unless
27．Fortunately, somebody who happened to be passing by called the fire department ______ the fire broke out.
A．hurriedly B．quickly C．instantly D．shortly
28．__________, the dancers practice hard to make their dreams come true.
A．Being disabled as they B．Although disabled they are
C．Disabled though they are D．As they are disabled
29．Let’s not pick these peaches until this weekend ________they get sweet enough to be eaten.
A．ever since B．as if
C．even though D．so that
30．Hard-working though he was, ______ there was never enough money to pay the bill.
A．and B．/ C．but D．therefore
31．Some educators believe that it is so good a habit to instruct children to lay things ________ they belong when they are young.
A．to which B．that C．in which D．where
32．Take the note as a reminder ________ you forget to buy some sweets for the kids while shopping there.
A．while B．since C．in case D．even if
33．You have my word ________ I won the lottery one day, I would buy you a new car.
A．if B．that C．if that D．that if
34．So sudden ________ that Timothy fainted ________ he knew it.
A．was the news; for the moment B．the news was; for the moment
C．was the news; the moment D．the news was; the moment
35．As is known to all, one of the true tests of leadership is the ability to recognize an issue ________ it becomes an emergency.
A．when B．before C．after D．unless
36．— How long have you been collecting shells
— ________.
A．After I left school B．Before I moved here
C．When I went to the beach D．Since I was ten years old
37．________ we deal with our problems, we can easily become unhappy.
A．Unless B．Until C．Though D．Whether
38．Our mother sat us down to read and paint, ________ all we really wanted to do was to make a mess.
A．when B．however C．since D．and
39．—When did you arrive ________ we camped last Friday
—It was not until midnight ________ it was raining hard.
A．where; when B．which; that C．where; that D．which; when
40．Someone called me up in the middle of the night, but he hung up ________I could answer the phone.
A．unless B．until C．before D．since
41．______ she came back, she threw her arms around me, ______ sad and helpless.
A．The instant when; looked B．The instant when; looking
C．The instant; looked D．The instant; looking
42．______ I agree with you, I don’t think your solution is the best.
A．If B．Since C．While D．As
43．You should always try to achieve more, _________ well you have done before.
A．however B．whatever C．whenever D．wherever
44．_________ it may be possible to measure the value of material goods in terms of money, it is extremely difficult to estimate the true value of the services which people perform for us.
A．Because B．Though C．Given D．When
45．________in everyday life consumers have seen lots of successful examples of advertisements like Kodak, Nike, Coca-Cola, and McDonald’s, there are still some examples that do not reach the expected goal.
A．As B．Because C．In addition D．While
46．The manager believes that stupid ________ Mr. Smith is, ________ he said makes perfect sense.
A．that; which B．as; what C．as; that D．though; which
47．The two collectors have determined to buy the precious Egyptian vase, _______.
A．however much it costs B．no matter how it costs
C．however much does it cost D．no matter how much does it cost
48．The panda mom has_________of parenthood that she can’t be entrusted with the baby.
A．such little experience B．so little experience
C．so little an experience D．such a little experience
49．—When is the school art festival
—It will be held on time if it ________ next Monday.
A．don’t rain B．won’t rain C．doesn’t rain D．didn’t rain
50．________ many children like KFC, I think they'd better try not to eat it too often.
A．Because B．When
C．Although D．If
51．Children are admitted________ accompanied by an adult.
A．only if B．even though C．now that D．as though
52．______ Long had been riding horses for many years, the hardship and uncertainty of the task pushed him to his limit.
A．Although B．Unless C．Once D．If
53．________ there has been real progress in the e-plane industry, the technical challenges that remain are keeping everyone’s feet firmly on the ground.
A．While B．As long as C．Since D．In case
54．Remember that you won’t be able to cancel the contract ________ you’ve signed.
A．unless B．until C．though D．once
55．Young people are more willing to study the skills of paper cutting these days, _____ local authorities have put great efforts in promoting the handicraft.
A．if B．though C．as D．unless
56．I will keep drawing and see what happens. ________ I never become famous, this is what I love to do every hour of every day.
A．Even if B．Unless C．So long as D．Now that
57．The WTO can not live up to its name ______ it doesn’t include a country that is home to one fifth of mankind.
A．if B．even if C．so D．until
58．I was so familiar with him that I recognized his voice ________ I picked up the phone.
A．while B．after C．in case D．the moment
59．It was 5:00 pm and I was ready to go home. I was about to turn off my computer ________ I received an email
from my director.
A．after B．while C．before D．when
60．—How long do you think it will be ________ China sends a manned spaceship to the moon
—Perhaps two or three years.
A．when B．before C．that D．until
61．______ serious a problem you may have, you should show your courage to face the challenge.
A．Whatever B．Wherever C．However D．Whenever
62．－Did you explain it to your boss
－He stormed out of the office ________ I could get in a word.
A．since B．when C．before D．after
63．The teacher gave the students such a difficult maths problem ________ nobody worked it out.
A．as B．which C．so D．that
64．If you are wrong, the project will surely fail, ______hard we try.
A．whatever B．whichever
C．even though D．no matter how
65．In order to make full use of the energy, many water power stations are built ______ there are big waterfalls.
A．unless B．so that C．where D．whether
66．We ________home ________it began to rain heavily.
A．had left; hardly when B．hardly left; than
C．have hardly left; than D．had hardly left; when
67．________ you go abroad, it is likely that you will have trouble ________ the life abroad.
A．The first time; adjusting to
B．For the first time; adjusting to
C．The first time; to adjust to
D．For the first time;to adjust to
68．I’ll bring some medicine just________some of us get sick while travelling.
A．as if B．in case C．even though D．as long as
69．We should learn more information technology ________ we can improve our teaching efficiency.
A．so that B．in case C．now that D．even if
70．Laura decided that ________ she might face, she would make sacrifice to make the children happy.
A．however a serious challenge B．what a serious challenge
C．however serious a challenge D．what serious a challenge
参考答案：
1．C
【详解】考查让步状语从句。句意：你可以在几分钟内学到足够的急救知识——无论是通过读书、参加课程还是在线观看视频。固定结构：whether...or...“不管……还是……”。引导让步状语从句。结合句意及选项可知，选项C符合题意，故选C。
2．C
【详解】考查状语从句。句意：如果你去一个风俗习惯和自己国家完全不同的地方，你会感受到很大的文化冲击。此处引导地点状语从句，表示“……的地方”应用where。故选C。
3．A
【详解】考查连词词义辨析。句意：——你知道昨天我们镇上新开了一家购物中心吗？——是的。既然我们有时间，为什么不去逛逛呢？A. since因为，既然；B. though虽然；C. until直到……为止；D. unless除非。根据上下文可知，前文存在因果关系，此处应用since引导原因状语从句。故选A项。
4．C
【详解】考查连接词词义辨析。句意：既然在学校就能轻松掌握这些知识，为什么还有那么多学生坚持请家教呢？A. unless除非；B. before在……之前；C. when既然；D. until直到 。根据句意及所给句子可知，前后句意存在转折关系，应用when引导让步状语从句。故选C。
5．C
【详解】考查地点状语从句。句意：图书馆里有一条规定，那就是读者读完后必须把书放回原位。分析句子可知，此处为连词where“在……地方”引导的地点状语从句，表示动作发生的地点，满足句意要求。故选C项。
6．D
【详解】考查状语从句。句意：不管问题有多难，你都可以找我帮忙。引导让步状语从句，however后可直接加形容词/副词，再加主语，加谓语动词，表示“无论……，不管……”，故排除A选项；no matter how从句中的形容词或副词必须紧接其后，故排除C选项；B选项中谓语应放在主语problem之后，故排除C。故选D。
7．B
【详解】考查状语从句。句意：我祖父仍然时不时打网球，尽管他已经九十多岁了。A. as long as只要；B. even if尽管，即使；C. as if似乎，好像；D. in case以防，万一。根据句意可知，尽管祖父九十多岁了，还时不时打网球，even if引导让步状语从句，表示“尽管” 符合句意。故选B项。
8．B
【详解】考查时间状语从句连词。句意：如果你错过了这个机会，你可能需要几年的时间才能得到另一个机会。A. while当；B. before在……之前；C. after在……之后；D. since自从。此处为固定句型：it be+一段时间+before...“要过……才……”，before引导时间状语从句。故选B。
9．B
【详解】考查时间状语从句。句意：——比尔，你现在就去中国好吗？——没有。我还需要一个月才能离开这里。根据句意，“在我离开这里之前还需要一个月”，“在……之前”是before。故选B项。
10．C
【详解】考查状语从句。句意：这一程序在今年1月推出时，员工们非常感兴趣。A. since自从，因为；B. until直到；C. when当；D. though尽管。分析句子可知，空处引导状语从句，结合句意表示“当……的时候”用when引导该从句。故选C项。
11．A
【详解】考查连词词义辨析。句意：假如你不介意在香港换机的话，你可以坐飞机去日本。A. provided假如；B. because因为；C. unless除非；D. so far as就……而言。结合句意，provided引导条件状语从句，表示假设关系，符合前后句的句间关系。故选A项。
12．D
【详解】考查让步状语从句。句意：不管贝多芬的作品被演奏得多么频繁，他的作品仍然受到全世界人民的欢迎。分析句子，句中no matter引导的是让步状语从句，修饰副词frequently，表示“多么”用how；表示“表演”用perform，句子表述过去事实，故使用一般过去时。故选D。
13．D
【详解】考查结果状语从句的中间结构。句意：他是一个无私的人，大家都很尊敬他。so为副词，修饰形容词，常用结构为so+形容词+不定冠词a/an+单数名词；such为形容词，修饰名词或名词短语，常用结构为such+不定冠词a/an+形容词+单数名词。故such a selfless man = so selfless a man；第二空在句中作谓语，应用动词，结合前面的was可知，此处应用过去时，故填respected。故选D项。
14．A
【详解】考查状语从句。句意：我应该整天待在旅馆，以防有那个失踪孩子的消息。A. in case以防；B. no matter无论，不管；C. in any case不管怎样；D. in case of如果发生……。分析句子可知，句子为目的状语从句，根据句意可知，应用“in case”引导从句，意为“以防”，注意不能用“in case of”，“in case of”不能引导从句。故选A项。
15．D
【详解】考查时间状语从句。句意：她一听到这个好消息就回来了。A. at在；B. on在上面； C. immediate立刻的； D. immediately一……就。immediately是从属连词，引导时间状语从句。故选D。
16．A
【详解】考查instant相关短语辨析。句意：闪电一发生你就看见闪光，但过一会儿才听到雷声。A.the instant一……就……；B.for an instant一瞬间；C.on the instant立即；D. in an instant很快，马上。由句意知闪电一发生就会看到光，A项the instant充当连词引导时间状语从句，相当于as soon as，符合句意。故选A项。
17．B
【详解】考查时态和地点状语从句。句意：你们每一个人，快到原先是篮球场的地方集合。根据句意及所给句子可知，此处是祈使句，应用动词原形开头，A、C错误；where the basketball filed used to be为地点状语从句，where在从句中做be后面的表语，指地点。故选B。
18．D
【详解】考查让步状语从句。句意：无论你要哪一个，我都给你，但我们没有任何别的型号供你从中挑选了。根据句子分析可知，whichever此处用作prefer的宾语，引导让步状语从句，意为“无论哪一个”，由于有一定的范围，故选D。
19．A
【详解】考查状语从句。句意：无论他多错，他妻子总是支持他。A. However无论如何；B. Whenever无论何时；C. Whatever无论什么；D. Whichever无论哪个。根据空后有形容词wrong可知，此处为“however+形容词+主谓”结构。故选A项。
20．B
【详解】考查连词。句意：请大家注意！在我给你们拍照的时候一定不要动。A.for the moment 暂时，目前；B.the moment 一…就；C.at the moment 此刻，目前，眼下；D.in a moment 一会儿，立刻，马上。根据句子分析可知，此处应用连词the moment“一……就……”引导时间状语从句，故选B。
21．B
【详解】考查从句。句意：众所周知，当你体验中国灿烂的文化时，书法的美在于内心的平静。分析句意可知，第一空使用连词as引导非限定性定语从句，构成的as we all know意为“周所周知”；第二空使用连词when引导时间状语从句。故选B项。
22．B
【详解】考查让步状语从句。句意：尽管学生最重要的目标确实是在她或他的学习中取得好成绩，但这并不需要是唯一的目标。A. As尽管；B. While尽管；C. When当……的时候；D. Since自从。根据句中“a student’s most important goal is to do well in her or his studies(学生最重要的目标确实是在她或他的学习中取得好成绩)”及“it doesn’t need to be the only goal.(这并不需要是唯一的目标)”可知，两者之间是让步关系，应用while引导让步状语从句，as引导让步状语从句时，需要使用倒装结构。故选B。
23．D
【详解】考查状语从句。句意：远程教育正发挥着越来越重要的作用，使无论是什么职业的人都能受到教育。A. however无论如何；B. wherever无论在哪；C. whenever无论何时；D. whatever无论什么。分析句子结构，后文make it + adj. + for sb. to do sth.为make+宾语+宾补结构，其中it是形式宾语，真正的宾语是不定式结构，句子结构完整，故空处为状语从句；结合选项含义，D项带入表示“无论他们做什么”逻辑通顺。故选D项。
24．B
【详解】考查连词词义辨析。句意：即使别人穿得很随意，你也可以通过穿得有条不紊来给老板留下深刻印象。A. as long as只要； B. even if 即使；C. before在……之前； D. since自从。分析句子可知，空处及之后的内容在句中为让步状语从句，意义上为“尽管，纵然”，故选B。
25．B
【详解】考查状语从句。句意：即使在工作中取得巨大成功，我们也不应该骄傲。A. Ever since自从；B. Even if即使，尽管；C. In case以免；D. As though好像。分析句子结构可知，此处为连词引导状语从句，结合句意可知，两个句子之间为让步关系，even if意为“即使，尽管”符合语境。故选B项。
26．A
【详解】考查让步状语从句。句意：虽然园艺有可能是艰难的体力工作，但是对于那些热爱园艺的人来讲，它却是脑力上的放松。A. Although尽管；B. Once一……就……；C. Since自从；D. Unless除非。由语意可知，“园艺是项艰难的体力工作”与“对于热爱园艺的人而言，园艺工作是脑力上的放松”之间是让步关系，所以此处应用连词although表让步。故选A项。
27．C
【详解】考查连词和副词。句意：幸运的是，火灾一发生，一位碰巧路过的人就打电话报告了消防局。A. hurriedly匆忙；B. quickly快速；C. instantly一……就（连词）；D. shortly马上。分析句子结构可知，该处应填连词，而instantly可作连词，意为：一……就；故选C。
28．C
【详解】考查倒装句。句意：尽管他们是残疾的，但舞者们努力练习以实现他们的梦想。分析句子结构可知，此处考查的是as/though引导让步状语从句时的倒装结构，其常见结构为“名词(无冠词）/形容词/副词+as/though+主语+谓语”。故选C项。
29．D
【详解】考查连词词义辨析。句意：让我们这个周末再摘这些桃子以便它们吃起来变得足够的甜。A. ever since自那时起；B. as if好像；C. even though尽管；D. so that以便。分析句子结构可知，此处应该选择连词引导状语从句，结合句意可知，从句为目的状语从句，所以用so that引导。故选D项。
30．B
【详解】考查状语从句。句意：尽管他很努力工作，却从来没有足够的钱来付账单。此处为though引导的让步状语从句，there was never enough money to pay the bill.为主句，前面不用连词。故选B。
31．D
【详解】考查状语从句。句意：一些教育家认为，教导孩子在小时候把东西放在该放的地方是一种很好的习惯。引导地点状语从句，表示“……的地方”应用从属连词where。故选D。
32．C
【详解】考查连词词义辨析。句意：把这张纸条作为提醒，以防你在那里购物时忘记给孩子们买糖果。A. while然而；B. since因为；C. in case以防；D. even if即使。根据“Take the note as a reminder”可知，用纸条作提醒，以防购物时忘记给孩子们买糖果，用in case引导目的状语从句。故选C。
33．D
【详解】考查同位语从句和条件状语从句。句意：我向你保证，如果有一天我中了彩票，我会给你买一辆新车。分析句子结构________ I won the lottery one day, I would buy you a new car是同位语从句，解释前面的抽象名词word，从句不缺任何成分和任何含义，故选that，同位语从句中又包含一个if引导的条件状语从句，所以空格处填that if。故答案为D。
34．C
【详解】考查部分倒装和时间状语从句。句意：消息来得如此突然，Timothy一知道就昏过去了。“so+形容词/副词”位于句首会引起句子部分倒装，即助动词提前到主语的前面，因此第一空是was the news，由“Timothy fainted”和“he knew it”可知，句子表示“消息来得如此突然，Timothy一知道就昏过去了”，“一……就……”是the moment，引导时间状语从句，故选C。
35．B
【详解】考查连词词义辨析。句意：众所周知，对领导力的真正考验之一是在问题变成紧急情况之前就发现问题的能力。A. when当……的时候；B. before在……之前；C. after在……之后；D. unless除非。由“recognize an issue”和“it becomes an emergency”可知，句子表示“对领导力的真正考验之一是在问题变成紧急情况之前就发现问题的能力”，空格处意为“在……之前”，用before引导时间状语从句，故选B。
36．D
【详解】考查时间状语从句。句意：——你收集贝壳有多久了？——从我十岁开始。由句意可知，how long在此处表示“多长时间”，对一段时间进行提问。回答how long的提问用“for+一段时间”或“since+时间点或者引导时间状语从句”。故选D。
37．A
【详解】考查从属连词。句意：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。
38．A
【详解】考查连词和副词辨析。句意：我们的父母让我们坐下来读书、画画，而我们真正想做的是打打闹闹。A. when虽然，然而；B. however然而；C. since既然；D. and并且。分析句子可知，前后文是句子，需填连词，however是副词，排除B项。两句表让步，应用when引导让步状语从句，这里的when，用于引出使句子的其他部分显得让人吃惊或不大可能的事实或评论，意思是“虽然，然而”。故选A项。
39．C
【详解】考查地点状语从句和强调句。句意：——你什么时候到上周五我们露营那里？——直到午夜，雨下得很大。分析句子可知，第一空为地点状语从句，主句和从句都缺地点状语，所以应用where；第二空考查强调句，即“it is+强调内容+that/who+句子剩余部分”，强调内容指物时只能用that引导，此处强调内容是until midnight，所以应用that。故选C项。
40．C
【详解】考查从属连词。句意：有人半夜给我打电话，但我还没来得及接电话，他就挂断了。A. unless除非；B. until直到；C. before在……之前；D. since自从。由语意可知，给我打电话那个人没有等到我接电话就挂断了，所以他是在我接电话前挂断的电话，因此此处应用before引导的时间状语从句。故选C项。
41．D
【详解】考查状语从句的连接词和非谓语动词。句意：她一回来就搂住了我，一副悲伤无助的样子。分析句子结构和选项，the instant本身就是状语从句的连接词，意为“一……就……”，所以后面无需再接连接词，本句已有谓语动词threw，所以look应用非谓语形式，它和逻辑主语she之间是主动关系，应该用现在分词形式，应用looking。故选D项。
42．C
【详解】考查连词词义辨析。句意：虽然我同意你的意见，但我不认为你的解决方案是最好的。A. If如果；B. Since自从；C. While虽然；D. As当……的时候。由“I agree with you, I don’t think your solution is the best”可知，句子表示“虽然我同意你的意见，但我不认为你的解决方案是最好的”，空格处意为“虽然”，用while，引导让步状语从句，故选C。
43．A
【详解】考查让步状语从句。句意：无论你以前做得多好，你都应该努力实现更多。A. however无论如何；B. whatever无论什么；C. whenever无论何时；D. wherever无论哪里。此处表示“无论你以前做得多好”，应用however引导让步状语从句，修饰副词well。故选A项。
44．B
【详解】考查连词。句意：虽然可以用金钱来衡量物质产品的价值，但要估计人们为我们提供的服务的真正价值是极其困难的。A. Because 因为；B. Though 虽然；C. Given鉴于；D. When当......时。根据“it may be possible to measure the value of material goods in terms of money(或许可以用金钱来衡量物质产品的价值)”和“ it is extremely difficult to estimate the true value of the services which people perform for us(要估计人们为我们提供的服务的真正价值是极其困难的)”可知，前后是让步关系，故需though引导，though意为“虽然”，符合语意。故选B。
45．D
【详解】考查连词词义辨析。句意：虽然在日常生活中消费者已经看到了很多成功的广告例子，如柯达，耐克，可口可乐，麦当劳，但仍然有一些例子没有达到预期的目标。A. As当……的时候；B. Because因为；C. In addition此外；D. While虽然。由“there are still some examples that do not reach the expected goal”可知，句子表示“虽然在日常生活中消费者已经看到了很多成功的广告例子，如柯达，耐克，可口可乐，麦当劳，但仍然有一些例子没有达到预期的目标”，空格处意为“虽然”，用while引导让步状语从句，故选D。
46．B
【详解】考查让步状语从句和名词性从句。句意：经理认为尽管史密斯先生很愚蠢，但他说的很有道理。根据句意再分析句子可知，believes后面的宾语从句中包含一个让步状语从句，并且这个让步状语从句是一个倒装句，把表语stupid提到了主语前，根据语法规则，as引导让步状语从句必须用倒装，though引导让步状语从句可以倒装，也可以不倒装，所以，第一个空格处用as或though都可以。第二个空格所在的部分“________he said”是一个主语从句，该主语从句缺少宾语，所以空格处应该填入一个连接代词，且意义为“……的”，应用what。故选B项。
47．A
【详解】考查状语从句。句意：两位收藏家决定买下这件珍贵的埃及花瓶，不管花多少钱。分析句子可知，however/no matter how引导让步状语从句，后紧跟形容词或副词，所以B项不对。后跟状语从句，不需倒装，所以C，D项不对，故选A项。
48．B
【详解】考查固定句型。句意：熊猫妈妈几乎没有为人父母的经历，所以不能托付给她照看宝宝。此处little修饰不可数名词，表示几乎没有；a little表示肯定的意思，指“有一点，有些”不符合语境；当名词被little(少)修饰时，只能用so。故选B。
49．C
【详解】考查动词时态。句意：——校艺术节是什么时候？——如果下周一不下雨，将如期举行。根据答语句意，if作“如果”讲，动词时态将遵循“主将从现”的原则，从句用一般现在时，主语it为第三人称单数，否定助动词用doesn’t。故选C。
50．C
【详解】考查让步状语从句。句意：虽然很多孩子喜欢肯德基，但我认为他们最好不要经常吃。分析句子可知，由文中“like”和后文“try not to eat it too often”可知，前后之间有转折意义。故选C项。
51．A
【详解】考查状语从句连接词辨析。句意：只有在成人陪同下，儿童才能进入。A. only if只有；B. even though尽管；C. now that既然；D. as though好像。由句意可知，儿童被允许，只有在有大人陪同下才行。故选A项。
52．A
【详解】考查连词词义辨析和让步状语从句。句意：虽然朗已经骑马多年，但这项任务的艰苦和不确定性把他推到了极限。A. Although虽然，尽管；B. Unless除非；C. Once一......就；D. If如果。根据句意可知，句子前后两个部分是让步关系，指的是虽然朗已经骑马多年，但这次任务对他来说依然艰苦，所以空处应填连词Although表示让步关系，引导让步状语从句。故选A项。
53．A
【详解】考查让步状语从句。句意：虽然电子飞机行业已经取得了真正的进步，但仍然存在的技术挑战让每个人都牢牢地站在了地面上。A. While尽管；B. As long as只要；C. Since自从；D. In case以防。结合句意可知，用While引导让步状语从句。故选A项。
54．D
【详解】考查连词词义辨析。句意：记住，一旦你签了合同就不能取消。A. unless除非；B. until直到；C. though尽管；D. once一旦。结合句意可知，此处指“一旦你签了合同就不能取消”，用once引导条件状语从句。故选D项。
55．C
【详解】考查连词词义辨析。句意：如今，年轻人更愿意学习剪纸技能，因为当地政府在推广这一手工艺方面付出了很大的努力。A. if如果；B. though尽管；C. as因为；D. unless除非。根据句意，年轻人愿意学习剪纸技能的原因是当地政府在推广，后句是解释原因，as表示“因为”，符合上下文句意，故选C项。
56．A
【详解】考查连词。句意：我继续画，看看会发生什么。 即使我永远不会出名，这也是我每天每时每刻都喜欢做的事。A. even if即使；B. unless除非；C. so long as只要；D. now that既然。根据前后两句可知是让步关系，even if引导让步状语从句，“即使”符合句意，故选A项。
57．A
【详解】考查条件状语从句。句意：如果世界贸易组织不包括一个拥有五分之一人口的国家，它就不可能名副其实。A. if如果；B. even if即使；C. so所以；D. until直到。结合句意可知，用if引导条件状语从句。故选A项。
58．D
【详解】考查时间状语从句。句意：我对他很熟悉，一拿起电话就听出了他的声音。A.while当……时，尽管；B. after在……以后；C. in case万一，假使；D. the moment一……就……。根据“I was so familiar with him”可知，此处指“一拿起电话就听出了他的声音”，用the moment引导时间状语从句，相当于as soon as。故选D项。
59．D
【详解】考查连词辨析和固定句型。句意：当时是下午5点，我准备回家了。我正打算关掉电脑，这时候收到了一封来自我的导师的电子邮件。A. after在……之后；B. while当；C. before在……之前；D. when当，这时。结合句意可知，此处为固定句型：be about to do...when...“正准备……这时突然……”，表示一个动作发生时突然出现了另一个动作。故选D。
60．B
【详解】考查连词词义辨析和固定句型。句意：——你认为中国还要多久才能把载人飞船送上月球 ——可能两三年。A. when当；B. before在……之前，……才……； C. that （用于某些动词、形容词和名词后，引出各种从句）；D. until直到。结合句意可知，此处为固定句型：it will be+时间段+before...“还要……才……”。故选B。
61．C
【详解】考查状语从句。句意：无论你有多么严重的问题，你都应该表现出面对挑战的勇气。A. Whatever无论什么；B. Wherever无论哪里；C. However无论多么；D. Whenever无论何时。引导让步状语从句，表示“无论多么”应用however，修饰形容词serious。故选C。
62．C
【详解】考查连词词义辨析。句意：——你跟你老板解释了吗？——我还没来得及插话，他就怒气冲冲地离开了办公室。A. since自从；B. when当……时候；C. before在……之前；D. after在……之后。根据前后文语境可知，“离开办公室”发生在“插话”之前，应用before。故选C。
63．D
【详解】考查结果状语从句。句意：老师给学生们出了一道如此难的数学题，以至于没人算出来。such a(n)+形容词+可数名词单数+that，表示“如此……以至于……”，其中that引导结果状语从句，故选D。
64．D
【详解】考查状语从句。句意：如果你错了，这个项目肯定会失败，不管你多么努力。根据空格后的副词hard可知，此处的让步状语从句要用no matter how或however引导。no matter how或however+ adj. / adv.+主+谓，意为“不论……”。故选D。
65．C
【详解】考查地点状语从句。句意：为了充分利用能源，在有大瀑布的地方修建了许多水力发电站。结合句意可知，此处应用where引导地点状语从句，表示“在有大瀑布的地方”。故选C。
66．D
【详解】考查固定句型和时态。句意：我们刚离开家就下起大雨来了。分析可知，此处考查固定句型：hardly...when...“一……就……”，hardly所在的主句用过去完成时，when引导的从句用一般过去时。故选D。
67．A
【详解】考查名词短语作连词和动名词作宾语。句意：你第一次出国，适应国外生活可能会有困难。the first time 用作连词，引导时间状语从句。have trouble (in) doing sth 做……有困难，是一个固定搭配。故选A。
68．B
【详解】考查连词词义辨析。句意：我要带些药，以防我们中的一些人在旅行时生病。A. as if好像；B. in case以防；C. even though尽管；D. as long as只要。根据句意和后文“some of us get sick while travelling”可知，此处应用in case引导条件状语从句。故选B项。
69．A
【详解】考查目的状语从句。句意：我们应该学习更多的信息技术，这样我们才能提高教学效率。A. so that 以便；为的是；B. in case 以防；C. now that既然； D. even if即使；纵然。分析可知，学习更多的信息技术的目的是提高效率，所以空白处填so that，符合题意，故选A。
70．C
【详解】考查让步状语从句。句意：劳拉决定，无论面临多大的挑战，她都要做出牺牲，让孩子们开心。根据句意可知，句中表达了“无论……”的含义，所以这是一个让步状语从句，可排除B项和D项；however引导让步状语从句，后接形容词或副词，排除A项。故选C项。