单项选择题

There are many reasons underlying today's environmental problems EXCEPT ______.

A．accelerating decline in the quality of the environment
B．rapidly expanding human population
C．advancing technology
D．growing demands in the environment

<上一题目录下一题>

热门试题

单项选择题

The passage is mainly about ______.

A．the composition of environment
B．the impact of environment on human
C．the impact of human on environment
D．the causes of environmental problems

单项选择题

The ingredient of atmosphere does NOT include ______.

A．carbon dioxide
B．dust particles
C．water vapor
D．sunlight