Most scientists seem to agree that certain limit should be set on consumption of cars to ease air pollution.
A. a; the
B. /; the
C. the; /
D. the; the
网友回答
(答案→)A. a; the
B. /; the
C. the; /
D. the; the
解析：考查冠词。句中a certain limit一定的限制；the consumption of cars特指小汽车的消费。故选A。