状语从句
状语从句是每年高考必考的内容。近几年的高考对状语从句的考查主要集中在各类状语从句引导词的选用上。
在主从复合句中，状语从句修饰主句的动词、形容词、副词等，引导状语从句的关联词是从属连词
各状语从句常用的从属连词一览表
★注意：
When,as,while用法区分：
1)当从句的动作发生于主句动作之前，只能用when 引导这个从句，不可用as 或while。
When you have finished your work, you may have a rest.
2)如从句表示"随时间推移"，连词能用as，不用when 或while。
As the day went on, the weather got worse.
★练习
1. —when has the country been open to international trade?
—1978, I suppose.
A.Since
B.In
C.From
D.After
2. The project won’t carry on we can get financial aid from the government.
A.unless
B.though
C.whether
D.until
3. The number of women dying from breast cancer has fallen to its lowest level ____
records began in 1971.
A. when
B. before
C. since
D. after
4. Nancy enjoyed herself so much she visited her friends in Sydney last year.
A. that
B. which
C. when
D. where
5. 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 the instant
6. they visited the Science Museum, they showed great interest in everything they saw.
A. The first time
B. For the first time
C. At first
D. At the first time
7. How long do you think it will be we can find a new water source?
A. after
B. before
C. when
D. since
8. We were beginning to discuss suddenly a great earthquake happened.
A. when
B. while
C. until
D. before
9. No sooner had rescue forces reached the earthquake-stricken area they got
down to saving those buried beneath the debris.
A. when
B. then
C. than
D. until
10. I found her nice and honest I saw her.
A. for the first time
B. the first time
C. on the first time
D. at first
★练习：
1. Liquids are like solids they have a definite volume.
A. in that
B. for that
C. with that
D. at that
2. nobody was very interested in it, they decided to cancel the trip.
A. Even though
B. As soon as
C. While
D. Seeing that
3. our country has so many good table-tennis players，we have to decide on the best ones to take part in the game.
A. Although
B. Since
C. If
D. While
4. Not that John doesn’t want to help you,it’s beyond his power.
A. but that
B. for that
C. and that
D. in that
5. Tom has no interest in piano, there is no point pushing him to learn it.
A. Now that
B. In case
C. Even if
D. As if
6. A man cannot smile like a child, a child smiles with his eyes, while a man smiles with his lips alone.
A. so
B. but
C. and
D. for
★注意：区分where引导的状语从句和定语从句
Where there is a will, there is a way.(状) 有志者事竟成。
We shall go where working conditions are difficult. （状）
