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.
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.
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.
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。
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.
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。
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.
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?
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.
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.
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.
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。
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。
(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.
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.
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.
= 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。
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