单项选择题

A lot of people from big cities complain about the rapid ______ of modern life.

A．rate
B．speed
C．pace
D．step
<上一题 目录 下一题>
热门 试题

单项选择题
If you buy something from abroad, you should pay ______ on it when you go through the customs.
A．rates
B．taxes
C．fines
D．duties
单项选择题
The number of ______ species decreases every year as natural habitats disappear.
A．dangerous
B．endangered
C．scarce
D．risky
相关试题