问题
选择题
The problem of air pollution is becoming more serious ______ the increasing number of cars.
A.as for
B.because
C.as a result
D.as a result of
答案
答案:D
本题的含义为由于车子数量急剧增加的结果,空气污染的问题变得更加严重,as a result of 表示由于……的结果的含义,故本题选D。