iv. as作连词引导比较状语从句

1. 后接名词或代词。

He is as old as I .

他和我一样大。

This film is not as interesting as that one .

这部电影不如那部有意思。

2. 后接从句。

You know as much about him as I do .

你对他的了解和我对他的了解一样多。

I like English as much as you like dancing .

就像你喜欢跳舞一样我喜欢英语。

3. 后接状语结构。

He can run as fast as 30 miles an hour.

他每小时能跑30英里。

I can never go home as often as before .

我再也不能和以前一样经常回家。

He is still as much interested in music as ever .

他对音乐和以前一样感兴趣。

4. “数词+times+as”表示倍数。

This river is four times as long as that one.

这条河流是那一条的四倍长。

The population of China is four times as large as that of America.

中国的人口是美国的4倍多。

That building is one third as tall as ours.

这座楼是我们的大楼的三分之一高。

专项练习

1. After the new technique was introduced, the factory produced _______ tractors in 1998 as the year before.

A. as twice many

B. as many twice

C. twice as many

D. twice many as

2. It is generally believed that teaching is _______ it is a science.

A. an art much as

B. much as art as

C. as an art much as

D. as much an art as

3. As many members _______ were present agreed to the plan.

A. who

B. that

C. which

D. as

4. There were as many tickets available _______ were asked for.

A. that

B. as

C. which

D. what

5. Tom is _______ I am.

A. as tall as

B. so tall as

C. as taller as

D. as high as

6. John behaves as politely _______.

A. as Bob is

B. as Bob does

C. as me do

D. as I am

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