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Americans eat ______ vegetables each person today as they did 20 years ago.

A. more than twice

B. as twice as many

C. twice as many as

D. more than twice as many

 

D

【解析】

试题分析:句意:今天的美国人每个人摄入的蔬菜量是20年前的两倍还要多。倍数表达方式:1.倍数+ as 形容词或副词 as ,2. 倍数+形容词或副词的比较级+than;3. 倍数+the size /length/ height/ width+ of;超过几倍. more than +倍数,本题考查第一种表达方式,题中已经有一个as ,A. 项错误在于没有用as many或形容词 as;B. 项倍数应该写在最前面;C.项错在多了as;故选D。

考点:考查形容词倍数表达。

 

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