单项选择题

It seems to the writer that ______.

A．it is easy to do harm to our environment
B．the planet on which man lives is too small for man to survive
C．man should not create his culture and civilization too rapidly
D．man does not want to admit the danger of what he has done to the environment
<上一题 目录 下一题>
热门 试题

单项选择题
What does the passage mainly discuss
A．The difference between "scientific" and "unscientific" explanations.
B．The difference between human and animal behavior.
C．How fear would be explained by the psychologist, physiologist, and molecular biologist.
D．How scientists differ in their approaches to explaining natural phenomena.
单项选择题
The sentence He cannot help it (Para. 3, Line l) most probably means ______ .
A．man cannot avoid destroying the environment
B．man cannot obtain resources he needs from other planets
C．man cannot survive for a long time
D．man cannot help to create a new environment
相关试题