问题补充:
It is 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:在as。。。as的同等比较句型中,倍数要放在as的前面。故选D。句意:据报道美国使用的能量是整个欧洲的2倍。