单项选择题

A．That drugs should not be used without doctors advice.
B．That drugs and substances are different.
C．That substances should be used in a scientific way.
D．That the misuse of substances is harmful.
<上一题 目录 下一题>
热门 试题

单项选择题
A．A crowded city.B．A busy airport.C．A steel factory.D．An old car park.
A．A crowded city.
B．A busy airport.
C．A steel factory.
D．An old car park.
单项选择题
A．The United States is faced with many social problems.B．Various factors are responsible for the crimes in the United States.C．New trends have been discovered in the crimes in the United States.D．The crime rate in the United States is on the rise.
A．The United States is faced with many social problems.
B．Various factors are responsible for the crimes in the United States.
C．New trends have been discovered in the crimes in the United States.
D．The crime rate in the United States is on the rise.
相关试题