1. It is so cold that you can't go outside fully covered inthick clothes.
解析 句意：外面很冷，如果你不穿着厚衣服的话你不能出去。unless 除非，如果不。该题实际上也考查了状语从句的省略，其完整形式为 unless you are fully...21教育网
答案 unless
2. the job takes a significant amount of time, most students
agree that the experience is worth it.
解析 句意：虽然这项工作花费大量的时间，但是大部分的学生认为这次经历是值得的。although/though虽然，符合句意。www.21-cn-jy.com
答案 Although/Though
3. You won't find paper cutting difficult long as you keep practicing it.
解析 句意：只要你坚持练习剪纸，你就不会觉得剪纸难了。as/so long as只要，符合句意。
答案 as/so
4. the damage is done, it will take many years for the farmland to recover.
解析 句意：一旦造成损害，要花费许多年的时间耕地才能恢复。once一旦，符合句意。
答案 Once
5. Just a single word can change the meaning of a sentence, a single sentence can change the meaning of a paragraph.2-1-c-n-j-y
答案 as
6. If you miss this chance, it may be years you get another one.
解析 句意：如果你错过这次机会，可能得过好几年你才能再得到机会。before “在……之前”，引导时间状语从句。21*cnjy*com
答案 before
7. There is only one more day to go your favorite music group play live.
解析 考查连词。句意：还有一天你最喜欢的乐队将会现场演奏。before在……之前。
答案 before
8. We need to get to the root of the problem we can solve it.【版权所有：21教育】
解析 句意：我们需要找到问题的根源后才能解决它。考查时间状语从句。根据逻辑关系可知，“找到问题的根源”在“解决问题”之前发生。21教育名师原创作品
答案 before
9. he once felt like giving up, he now has the determination to push further and keep on going.
解析 句意：在他曾经想放弃的地方，他现在有推动进一步的决心并且继续前进。 考查状语从句连接词。
答案 Where
10. the students came from different countries, they got along quite well in the summer camp.
解析 句意：尽管那些学生来自不同的国家，但是他们在夏令营时相处得很好。考查状语从句的连接词。while置于句首，有“尽管”的含义，表示让步。
答案 While
11. John failed in the exam， he had prepared a lot for it before.
解析 考查让步状语从句。约翰考试失败了，尽管他之前做了很多准备工作。前后分句表示转折关系。
答案 although/though
12. the merchant faced some problems，he always turned to his second wife and she would always help him out.
答案 When/Whenever
13. All my children were are now a great joy of my life.2·1·c·n·j·y
解析 考查连词。连接并列谓语were和are，从语意上为并列关系，所以用and。
答案 and
14.Mary's mother doesn't allow her to go anywhere outside the town another member of the family is along.【出处：21教育名师】
解析 考查条件状语从句。玛丽的母亲不允许她去镇外的地方，除非有家里其他人跟着一起。unless除非，引导条件状语从句。21·cn·jy·com
答案 unless
15. we persist in this practice，gradually we'll learn how to express ourselves in English.
解析 考查条件状语从句的引导词。如果我们坚持这一行为，逐渐地我们就学会了如何用英语进行表达。根据句意可知此处为一种假设。
答案 If
16. China produces Oolong，black，green，white，yellow dark tea.
解析 考查并列连词。此处and连接的是并列宾语。
答案 and
17. We have organized sports competitions and we have even made a video. it isn't all just enjoyment.
答案 But
18. Nowadays when you turn on the radio，you either hear music，a talk show news.
解析 考查并列连词。现在当你打开收音机，你或听音乐、脱口秀或新闻。either...or...或者……或者……。21*cnjy*com
答案 or
19.Mr.Gates was only 21 years old he first helped to set up the company in 1976.
解析 考查时间状语从句的引导词。当盖茨先生1976年建立公司时他才21岁。when当……时候。
答案 when
20. Caroline： he practices singing，he will become a singer in the future.
Joyce：Not all people can become a singer.
解析 考查条件状语从句的引导词。句意：如果他一直练习下去，他就会成为一个歌手。if引导条件状语从句。
答案 If
21．In peace，too，the Red Cross is expected to send help ________ there is human suffering.
A．whoever B．however C．whatever D．wherever
解析 wherever引导修饰谓语send的地点状语从句。
答案 D
22．If you are traveling ________ the customs are really foreign to your own，please do as the Romans do.21世纪教育网版权所有
A．in which B．what C．when D．where
解析 where引导修饰谓语are traveling的地点状语从句。
答案 D
23．________，he talks a lot about his favorite singers after class.21·世纪*教育网
A．A quiet student as he may be
B．Quiet student as he may be
C．Be a quiet student as he may
D．Quiet as he may be a student
答案 B
24．A man cannot smile like a child，________ a child smiles with his eyes，while a man smiles with his lips alone.21cnjy.com
A．so B．but C．and D．for
解析 空格处之后的句子补充说明“a man cannot smile like a child”的原因，应选用for表原因。
答案 D
25．Many of them turned a deaf ear to his advice，________ they knew it to be valuable.
A．as if B．now that
C．even though D．so that
解析 “Many of them turned a deaf ear to his advice”和“they knew it to be valuable”意思相反，四个选项中引导让步状语从句的even though最为适合。【来源：21cnj*y.co*m】
答案 C
26．—Where's that report?
—I brought it to you ________ you were in Mr.Black's office yesterday.
A．if B．when C．because D．before
解析 该空表示“当……的时候”，因此应填when引导时间状语从句。
答案 B
27．The village has developed a lot ________ we learned farming two years ago.
A．when B．which C．that D．where
解析 由语境逻辑可以推出这个村子在我们两年前学习农业技术的地方它发展得很快，因此该空应填where引导地点状语从句。【来源：21·世纪·教育·网】
答案 D
28．________ he has limited technical knowledge, the old worker has a lot of experience.
A．Since B．Unless C．As D．Although
解析 空格处应引导让步状语从句，填入although最为合适。
答案 D
29．________ I really don't like art, I find his work impressive.www-2-1-cnjy-com
A．As B．Since C．If D．While
解析 该空表示“尽管”，因此应填While引导让步状语从句。
答案 D
30．________ hard one may work, one cannot master a foreign language in a month or two.
A．Whenever B．Wherever
C．Whatever D．However
1.【2016·北京】33. I really enjoy listening to music ________ it helps me relax and takes my mind away from other cares of the day.21世纪教育网版权所有
A. because B. before C. unless D. until
【答案】A
【解析】句意：我非常喜欢听音乐，因为它能让我放松，使我不去想其它的事情。前后是因果关系，故选A。
2.【2016·北京】27.My grandfather still plays tennis now and then, ________ he’s in his nineties.21教育名师原创作品
A. as long as B. as if C. even though D. in case
【答案】C
3. you don't mind，I'll stop and take a deep breath.
解析 考查条件状语从句的引导词。句意：如果你不介意的话，我想停下来喘口气。表示“条件”要用if。
答案 If
4. the areas used for playing fields are often rough and rocky，millions of real balls go flat (变瘪) within 24 hours.21教育网
解析 考查原因状语从句的引导词。根据语境可知，“他们用于踢球的地方，常常是崎岖的，多石的”是“球变瘪”的原因，表直接原因要用because。21*cnjy*com
答案 Because
5. But the river wasn't changed in a few days even a few months.
解析 考查并列连词。河流在几天或甚至几个月之后没有多大的改善。否定句中通常要用or代替and。
答案 or
6. It will be great you can tell me some information about chopsticks，such as their origin and the materials they are made from.www.21-cn-jy.com
解析 考查条件状语从句。如果你能告诉我们一些关于筷子的信息就太好了，比如它的起源和制作材料。you can tell me some information about chopsticks为条件状语从句。【来源：21·世纪·教育·网】
答案 if
7. Why didn't you tell me the truth? I booked the ticket，you promised to drive non－stop from Aye to Norwich.【版权所有：21教育】
解析 考查时间状语从句。这里表示在我订票之前或订票时，你许诺中途不停。
答案 Before/ When
8. I hate to say this， they behaved impolitely towards us customers.Could you do something about this?21cnjy.com
解析 考查连词。交际用语I hate to say this，but...。此处为固定表达。
答案 but
9. Maybe you are right.But our government allows college graduates to borrow money from banks maybe some can get money from their parents.21·cn·jy·com
答案 and
10. we'll be walking for almost two weeks，I'll need to buy a large，strong，light backpack in advance to carry my supplies of food and water.21*cnjy*com
解析 考查原因状语从句。由于我们要走两个星期，所以我们需要买一个牢固的大背包。since由于。
答案 Since
11. He was very tired after doing this for a whole day， he felt very happy since the crop did “grow” higher.21·世纪*教育网
解析 考查并列连词。根据句中的very tired和very happy可知，前后两分句之间是转折关系，故填连词but。
答案 but
12. For example，television sets need not be played at full volume (音量) loud pop music should not be played very late at night.
解析 考查并列连词。比如，电视机不必开到最大音量，并且响亮的流行音乐不应当晚上放到很晚。这里前后句之间为并列关系，故用连词and。2·1·c·n·j·y
答案 and
易错起源1、时间状语从句和原因状语从句的运用
例1．The meaning of the word“nice”changed a few times it
finally came to include the sense“pleasant”.
答案 before
【名师点睛】
使用时间状语从句时要注意下列几个词:
as，while，When
as强调两个动作同时进行，动作通常是延续性的，且表示“一边……一边”；还可表示“随着时叵的推移”。例:
He always sings as he walks.
As time went on,his theory proved to be correct.
when引导的时间状语从句中，其谓语动词可以是延续性的，也可以是非延续性的，有时还表示“就在那时”。例:
When the teacher came in, the students were reading aloud.
When he stayed in America, he learned a lot of English.
We were about to set out when it began to rain.
while在……期间，引导的从句的动作是延续性的，并侧重主从句的动作同时发生；有时while还表示转折关系“而”。例:
While his mother was cooking in the kitchen, the little boy fell asleep in the chair.
He is a worker,while his sister is a doctor.
原因状语从句的引导词有:as because,since,now that 等。
如:Now that you are all here,let’s reach a decision.
注意，for是并列连词，引导的是并列句，对前述内容作补充性说明。
【锦囊妙计，战胜自我】
时间状语从句的引导词有:when，while，as， every time，the moment，hardly...when，no sooner...than等。
易错起源2、条件状语从句和结果状语从句的正确运用
例2．I believe you will have a wonderful time here you get to know everyone else.
解析 句意：我相信一旦你在这儿认识了别人之后，你会在这儿有一段美好的时光。考查状语从句。根据前后句意思，可以看出此处是条件关系。
答案 once
【名师点睛】
结果状语从句的引导词有:so...that，such...that应该正确使用so和such
(1)so + adj.／adv.／分词 + that...
(2)so + adj + a + 可数名词单数 + that...
(3)so + many／few／little/much + 名词 + that... 此处many／few／little／much是表示数量的形容词。www-2-1-cnjy-com
(4)such + a + adj. + 单数可数名词 + that...
(5)such + adj.+ 可数名词复数或不可数名词 + that...例:
The boy is so young that he can’t go to school.
He is such a young boy that he can’t go to school.2-1-c-n-j-y
He is so young a boy that he can’t go to school.
He made such rapid progress that he was praised by his mother.
Soon there were so many deer that they ate up all the wild roses.
【锦囊妙计，战胜自我】
条件状语从句的引导词有:if，unless，as long as，so long as，on condtion that等。
易错起源3、让步状语从句和方式状语从句的运用
例3． scientists have learned a lot about the universe, there is much we still don't know.【出处：21教育名师】
答案 Though
【名师点睛】
由“no matter+疑问词”和“疑问词+ever”引 导的让步状语从句可互换。例:
No matter what happened, he wouldn’t mind.【来源：21cnj*y.co*m】
= Whatever happened, he wouldn’t mind.
注意:“on matter+疑问词”结构只能引导让步状语从句，而“疑问词+ever”还可以引导名词性从句。例:Whoever comes will be welcomed.
【锦囊妙计，战胜自我】
让步状语从句的引导词有:though，although， as，even if，even though，
疑问词 + ever，no matter + 疑问词，方式状语从句的引导词有：as，as if，as though。
