单项选择题

It has long been known that total sleep ______is 100 percent fatal to rats, yet, upon examination of the dead bodies, the animals look completely normal.

A．deposition
B．destruction
C．deprivation
D．reduction
<上一题 目录 下一题>
热门 试题

单项选择题
When a child has become ______to life in a city, he may feel quite at a loss in any other environment.
A．addicted
B．confronted
C．conditioned
D．delimited
相关试题