单项选择题

A．Drug abuse can cause a lot of adverse physical reactions.
B．Drug abuse can cause malnutrition.
C．Drug abuse may damage the heart, liver and brain.
D．Drug abuse can cause cancer.
<上一题 目录 下一题>
热门 试题

单项选择题
A．Because he has enough money to buy stamps.B．Because he used to receive stamps as gifts.C．Because stamp collecting is his hobby.D．Because he invests in stamps.
A．Because he has enough money to buy stamps.
B．Because he used to receive stamps as gifts.
C．Because stamp collecting is his hobby.
D．Because he invests in stamps.
填空题
The first hypothesis concerning birds’ mapping,’ ability involves an ______ .
相关试题