问题补充:
It’s reported that the United States uses energy as the whole of Europe.
A. as twice
B. twice much
C. twice much as
D. twice as much
答案:
A. as twice
B. twice much
C. twice much as
(答案→)D. twice as much
解析:考查倍数:倍数+as+adj+as+名词,先是twice,然后是as +形容词(much)+as…,句意:据报道美国使用和整个欧洲一样多的能源。选D。