单项选择题

The elderly mouse mentioned in paragraph two shows ______.

A．mice are also influenced by old age
B．mice that eat meager food live longer
C．how mice s liver genes behave
D．how to metabolize drugs
<上一题 目录 下一题>
热门 试题

单项选择题
It is implied in the first paragraph that ______.
A．eating more than usual might make us live longer
B．if we go on a diet when old, we may keep healthy
C．dieting might be needed
D．we have to diet in the early childhood if we want to live longer
单项选择题
It can be inferred from the passage that completely normally fed mice ______.
A．will not experience free radical production
B．will experience more genetic rejuvenation in their lifetime
C．have more old liver genes to behave like young genes
D．are more likely to suffer from inflammation
相关试题