单项选择题

We can infer from the passage that _________.

A．we have to pay more, to cut down on pollution
B．we have to pay more to better our environment
C．we have to conserve natural resources in our economic development
D．recovery of nature after pollution costs more money than prevention of pollution

<上一题目录下一题>

热门试题

单项选择题

From the information given in the passage, the author's main concern is that _________.

A．the environment well-being and our health are related
B．the environment and the results of our exercising is relevant
C．the ever changing living standards demand more from the environment
D．the balance of environment and economic development is vital for the society

单项选择题

It is implied in the second paragraph that _________.

A．clear air is necessary for people's health
B．we don't have to worry about future developments
C．we should control overexploitation of the nature
D．people can produce more energy to meet industrial demands