as+adj.+可数名词复数形式或不可数名词+as
as+adj.+a/an+可数名词单数形式+as
注意:(1)同级比较的否定形式为 not so/as...as...。
(2)同级比较可修饰倍数、百分数、分数等。
(3)此结构中第二个 as可为连词也可为介词,做连词可引导一个比较状语从句,从句常用省略形式;做介词时,后接名词,也可接数量词表示某性质达到了什么程度。
【例句研读】
①Asia is about four times as large as Europe.
亚洲大约是欧洲的四倍大。
②He owed as many thanks to his parents as (he owed) to his teachers. 他同样地感谢他的父母和老师。
③We walked as far as the lake last night.
昨晚我们散步远到湖边。
④He is not so friendly to me as I am to him.
他对我不像我对他那样友好。
⑤You must give flowers as much water as they need.
你必须给花浇足够多的水。
【即时巩固】
It's said that the power plant is now
large as what it was.
A.twice as B. as twice
C.twice much D. much twice
—What do you think of French?
—In my opinion, French is ______ English.
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