题目内容

Nowadays people take___ exercise a day as they did in the past because of widely used automobiles.   
A．less than halfB．less than as half as
C．less than half as muchD．half less than
C
考查倍数问题。此题结构为：倍数+ as+ adj./adv.原级 + as。句意：因由于汽车的广泛使用，现在人们花不到和以前一样的一半时间运动
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