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连词 while 是高考英语的一个命题热点（每年必考），你知道其考点主要涉及哪些方面吗？
一、考查表示时间的用法，其意为“当……的时候”。如：
We must strike while the iron is hot. 我们要趁热打铁。
Stand still while I take your photograph. 我给你拍照时站着不要动。
Have we got enough books to read while we are on holiday？ 假期里我们有足够的书看吗？
Were there any calls for me while I was out？ 我出去的时候，有人来过电话吗？
She hates anyone listening while she is telephoning. 她打电话时不愿让任何人听。
二、考查表示让步的用法，其意为“尽管”“虽然”。如：
While the work was difficult， it was interesting. 工作虽然有难度，但很有趣。
While I understand what you say， I can’t agree with you. 虽然我理解你的意思，但我还是不同意。
三、考查表示对比的用法，其意为“而”“但”。如：
Some people waste food while others haven’t enough. 一些人糟踏食物，而另一些人却食不果腹。
I went swimming while the others played tennis. 我去游泳，而其余的人则去打网球了。
Prices are rising sharply， while incomes are lagging far behind. 物价飞涨而收入却远远落后。
注：这样用时， while 引出的句子通常位于句末，但有时也可位于句首。如：
While most children learn to read easily， some need extra help. 大多数儿童学会阅读很容易，有一些儿童却需要特别帮助。
While Deauville is a holiday resort， Trouville is more of an industry town. 特维尔是个度假胜地，而特鲁维尔更多的却是个工业城市。
四、考查其省略用法，即主句与从句主语相同，且从句谓语动词含有动词 be 时，通常可省略从句主语和动词 be。如：
While （he was） in prison， she wrote her first novel. 她在狱中写出了第一部小说。
He had strayed from home while still a boy. 他小时候就离开家到处流浪了。
He fell asleep while （he was） doing his homework. 他做着做着功课就睡着了。
I was only listening to the radio with half an ear， while （I was） preparing some food. 我正在做吃的东西，没太留心听收音机。
【边讲边练】
1. She just sits there reading her stories，_____ I do all the work.
A. untilB. whileC. because D. though
2. Their economy has expanded enormously，_____ ours， by contrast， has declined.
A. whileB. unless
C. in case D. which
3. Could you watch my bags for me，_____ I go to the toilet？
A. though B. unless
C. whatD. while
4. The professor is typing his own letters _____ his secretary is ill.
A. whatB. which
C. ifD. while
5. She said she was going to the shops and asked me whether I wanted anything _____ she was out.
A. though B. whileC. whichD. before
6. Tea is the most popular drink，_____ coffee comes second.
A. sinceB. until C. what D. while
7. Schools in the north tend to be better equipped，_____ those in the south are relatively poor.
A. sinceB. beforeC. whileD. because
8. It is no accident that men fill most of the top jobs in nursing，_____ women remain on the lower grades.
A. afterB. sinceC. whileD. which
9._____ trying to open the can， I cut my hand.
A. Though B. Because
C. For D. While
10. Some people prefer a vegetarian diet，_____ others prefer a meat-based diet.
A. though B. while
C. whichD. for
11. He didn’t ask me in； he kept me standing at the door _____ he read the message.
A. whileB. beforeC. after D. which
12. Now’s the time to buy a car，_____ the interest rates are low.
A. but B. whichC. while D. until
13. The couple took good care of the baby _____ occupied by their work.
A. whileB. after C. whichD. since
14. How did you spend your time _____ you were on holiday？
A. although B. whileC. whichD. since
15. Because Jane had once had a bad accident _____ driving， she was afraid to try it again.
A. though B. unlessC. for D. while
【参考答案】1—5 BADDB6—10 DCCDB11—15 ACABD
（编辑 周贞雄）
一、考查表示时间的用法，其意为“当……的时候”。如：
We must strike while the iron is hot. 我们要趁热打铁。
Stand still while I take your photograph. 我给你拍照时站着不要动。
Have we got enough books to read while we are on holiday？ 假期里我们有足够的书看吗？
Were there any calls for me while I was out？ 我出去的时候，有人来过电话吗？
She hates anyone listening while she is telephoning. 她打电话时不愿让任何人听。
二、考查表示让步的用法，其意为“尽管”“虽然”。如：
While the work was difficult， it was interesting. 工作虽然有难度，但很有趣。
While I understand what you say， I can’t agree with you. 虽然我理解你的意思，但我还是不同意。
三、考查表示对比的用法，其意为“而”“但”。如：
Some people waste food while others haven’t enough. 一些人糟踏食物，而另一些人却食不果腹。
I went swimming while the others played tennis. 我去游泳，而其余的人则去打网球了。
Prices are rising sharply， while incomes are lagging far behind. 物价飞涨而收入却远远落后。
注：这样用时， while 引出的句子通常位于句末，但有时也可位于句首。如：
While most children learn to read easily， some need extra help. 大多数儿童学会阅读很容易，有一些儿童却需要特别帮助。
While Deauville is a holiday resort， Trouville is more of an industry town. 特维尔是个度假胜地，而特鲁维尔更多的却是个工业城市。
四、考查其省略用法，即主句与从句主语相同，且从句谓语动词含有动词 be 时，通常可省略从句主语和动词 be。如：
While （he was） in prison， she wrote her first novel. 她在狱中写出了第一部小说。
He had strayed from home while still a boy. 他小时候就离开家到处流浪了。
He fell asleep while （he was） doing his homework. 他做着做着功课就睡着了。
I was only listening to the radio with half an ear， while （I was） preparing some food. 我正在做吃的东西，没太留心听收音机。
【边讲边练】
1. She just sits there reading her stories，_____ I do all the work.
A. untilB. whileC. because D. though
2. Their economy has expanded enormously，_____ ours， by contrast， has declined.
A. whileB. unless
C. in case D. which
3. Could you watch my bags for me，_____ I go to the toilet？
A. though B. unless
C. whatD. while
4. The professor is typing his own letters _____ his secretary is ill.
A. whatB. which
C. ifD. while
5. She said she was going to the shops and asked me whether I wanted anything _____ she was out.
A. though B. whileC. whichD. before
6. Tea is the most popular drink，_____ coffee comes second.
A. sinceB. until C. what D. while
7. Schools in the north tend to be better equipped，_____ those in the south are relatively poor.
A. sinceB. beforeC. whileD. because
8. It is no accident that men fill most of the top jobs in nursing，_____ women remain on the lower grades.
A. afterB. sinceC. whileD. which
9._____ trying to open the can， I cut my hand.
A. Though B. Because
C. For D. While
10. Some people prefer a vegetarian diet，_____ others prefer a meat-based diet.
A. though B. while
C. whichD. for
11. He didn’t ask me in； he kept me standing at the door _____ he read the message.
A. whileB. beforeC. after D. which
12. Now’s the time to buy a car，_____ the interest rates are low.
A. but B. whichC. while D. until
13. The couple took good care of the baby _____ occupied by their work.
A. whileB. after C. whichD. since
14. How did you spend your time _____ you were on holiday？
A. although B. whileC. whichD. since
15. Because Jane had once had a bad accident _____ driving， she was afraid to try it again.
A. though B. unlessC. for D. while
【参考答案】1—5 BADDB6—10 DCCDB11—15 ACABD
（编辑 周贞雄）