单项选择题

The passage mainly deals with the topic of ______.

A．protection of environment
B．relationship between neighbors
C．generation gap
D．cause of jealousy
<上一题 目录 下一题>
热门 试题

单项选择题
Exhaled cigarette smoke is yellowish because ______.
A．it comes through the mouth
B．it contains nicotine
C．of water vapour in the mouth
D．it is a good diffuse of light
单项选择题
The sky has a darker blue colour when we look at it ______.
A．near a mountain
B．against a mountain
C．from the top of a mountain
D．at the foot of a mountain
相关试题