Nowadays we take___ exercise a day as we need because of widely used automobiles.
A．less than halfB．less than as half as
C．less than half as muchD．half less than
C

試題分析：句意：現(xiàn)在因?yàn)閺V泛使用汽車，我們一天的鍛煉不到需要的一半。這里使用的是倍數(shù)的表達(dá)法：倍數(shù)+as+adj+as，這里half就是倍數(shù)，less than是修飾half的，所以放在前面，因?yàn)闄M線后面有as了，所以用as much，選C。
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