1. It is reported that the United States uses ________ energy as the whole of Europe. (广西卷)
A. as twice
B. twice much
C. twice much as
D. twice as much
【分析】答案选D。由twice(两倍)和energy后的as可知，此题是考查用"倍数+as+形容词原级+as"来表达倍数的方法。
2. The house rent is expensive, I've got about half the space I had at home and I'm paying ________ here. (上海卷)
A. as three times much
B. as much three times
C. much as three times
D. three times as much
【分析】答案选D。倍数three times要放在as的前面，后面省略as I paid at home。
3. With the help of the German experts, the factory produced ________ cars in 1993 as the year before. (上海卷)
A. as twice many
B. as many as twice
C. as twice as many
D. twice as many