1.ItisreportedthattheUnitedStatesuses________energyasthewholeofEurope.(广西卷)
A.astwiceB.twicemuch
C.twicemuchasD.twiceasmuch
【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.Thehouserentisexpensive,I'vegotabouthalfthespaceIhadathomeandI'mpaying________here.(上海卷)
A.asthreetimesmuchB.asmuchthreetimes
C.muchasthreetimesD.threetimesasmuch
【分析】答案选D。倍数threetimes要放在as的前面，后面省略asIpaidathome。
3.WiththehelpoftheGermanexperts,thefactoryproduced________carsin1993astheyearbefore.(上海卷)
A.astwicemanyB.asmanyastwice
C.astwiceasmanyD.twiceasmany