为什么
问题描述：
为什么
Americans eat( )as they actually need every day.(CET4 1998,6)
A) twice as much protein B) twice protein as much twice C) twice protein as much D) protein as twice much
为什么C不对
答
倍数的表达主要有两种
以这个题为例
第一种 twice/ three times as much/many sth as .twice as long as sth
第二种 twice/three times the amount sth .twice the length of sth
C 这个表达不对哈 sth的位置不对 你需要记住咯...