as可以在句子中充当不同成分，是英语语法中非常常见的成分之一。那么你知道as的用法有哪些吗？下面小编给大家整理了as的用法总结,希望大家喜欢!

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as的用法

as相关短语

As 用法专练

● as的用法

1、as做介词，意思是“作为”

例句：

French is known as the most beautiful language in the world.

法语以世界上最美丽的语言著称。

2、as做连词，引导时间状语从句，意思是“当……的时候”

例句：

My mother was cooking fish as I arrived home.

当我到家的时候，我妈妈正在做鱼。

3、as做连词，引导原因状语从句，意思是“因为”

例句：

As rain has fallen, the air is cooler.

因为下过雨，所以空气比较凉爽。

4、as做连词，引导让步状语从句，意思是“虽然”

例句：

Young as he is, he has been one of the most famous painters in our country.

虽然他还很年轻，但已经成为我们国家最有名的画家之一。

5、as做连词，引导方式状语从句，意思是“以……方式”

例句：

Do as the Romans do when in Rome.

入乡随俗

6、as做关系代词，引导定语从句

例句：

This is the same game as I played yesterday.

这和我昨天玩的游戏一样。

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● as相关短语

as well 也;同样地;还不如

as well as 也;和…一样;不但…而且

as one 一致的

as soon ◎宁愿…，宁可… , ◎同样乐意，同样愿意(常用于 would，had 之后)[亦作 as lief] , ◎同样高兴(或愿意) , ◎宁愿,宁可(与 would, had 连用)

as soon as 一…就…

as long as 只要;和…一样长

as if 犹如，好似

as much 也;同样多的

as for 关于，至于

as soon as possible 尽快

as a whole 总的来说

as far as adv. 至于，直到，远到;就…而言

as of 自……起

as though 好像;仿佛

as being 就是;即像

as early as 早在…的时候

as usual 像往常一样;照例

as good as 和…几乎一样，实际上等于…

as per 按照，依据;如同

as such 同样地;本身;就其本身而论

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● As 用法专练

1.It is generally believed that teaching is ____ it is a science.

A. much as an art as B. as much an art as

C.an art as much as D.as much as an art

2. _____ I admire David as a poet,I don’t like him as a man.

A.Only if B.If only

C. As much D.Much as

3. ____ ,he talks a lot about his favourite singers after class.

A.A quiet student as he may be B.Quiet student as he may be

C.Quiet as he may be a student D.As he may be a quiet student

4.I wonder why you don’t do it as ____ and it’s the third time you have done so.

A.told you B. be told

C. told to D. you told

5.( 1) ___I explain on the phone,your request will be considered at the next meeting.

(2)____ I explain on the phone is that your request will be considered at the next meeting.

A. What B.When C.After D. As

6.(1)That is ____ problem____can’t be worked out by anyof us .

(2)That is ____problem____none of us can work it out.

A.a such difficult , that B.so difficult a ,that

C.such a difficult, as D.a so difficult ,as

7.There were not so many jobs available ____ were asked for.

A. that B. which C. what D. as

8.____ time went on,Einstine’theory_____ right.

A. With, proved B As, be proved

C.With, be proved D. As, proved

9.He will surely finish the job on time ____ he’s left to do it in his own way.

A.as if B.even if C.so long as D. so that

10.Scientists generally agree that the earth’s climate will warm up over the next 50 to 100

years____it has warmed in the 20,000 years since Ice Age.

A.As long as B.as much as

C.as long as D. as well as

11.Do come to my party,and bring your sister____.

A.as good B.as a whole C.as well D.instead

12.It’s useless trying to argue with the sort of him.You might____ go and stand upon the beach

and argue with the sea.

A as well B also C.as if D. as well as

13.(1) We all passed the exam,but ___ him, he alone failed.

(2) ____ running, learning English needs will.

A. As/as with B. As/as to C.As/as for D.As/as if

14.I thought things would get better, but ___ it is they were gettting worse.

A before B.because C.as D.after

15.All the gifts must be mailed immediately____ in time for Christmas.

A in order to have received B.in order to received

C.so as to be received D.so as to be receiving

16(1)Look! The clouds are gathering. It looks as if it ______ (rain).

(2)If you put a chopstick into water , it looks as if it _____(break)

Answers:

1-4 B D B C 5. DA 6.CB 7-10 D D C B

11-12 C A 13.CA 14-15 C C

16.1)is going to rain 2) were broken

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