单项选择题

It is postulated that population trends have an effect on economic fluctuations.

A. challenged
B. assumed
C. deducted
D. decreed
<上一题 目录 下一题>
热门 试题

单项选择题
This kind of animals is on the verge of extinction, because so many are being killed for their fur.
A. drying up
B. dying out
C. being exported
D. being transplanted
单项选择题
The train came to an abrupt stop, making us wonder where we were.
A. slow
B. noisy
C. sudden
D. jumpy
相关试题