问题
选择题
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
答案
A
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。
