单项选择题

In heavily populated agricultural areas, ______ when crops fail.

A．everybody takes to water sports
B．the people starve
C．a shortage of water will help
D．more energy will be used
<上一题 目录 下一题>
热门 试题

单项选择题
In ancient times empires and civilizations grew up near ______.
A．nature
B．dams
C．rivers
D．buildings
单项选择题
Rivers have been important to man ______.
A．since the last century
B．for a very long time
C．since a few years ago
D．since a few hundred years ago
相关试题