单项选择题

According to the passage, the reason for big cities to build their own recycling plants is that ______.

A．they can be of great help to the protection of environment
B．it is more expensive to process wastes in a farther dump
C．they can make the wastes into something that is useful
D．they can produce a lot of energy for the local residents

<上一题目录下一题>

热门试题

单项选择题

Which of the following statements is NOT true according to the passage

A．There will be no rubbish after the plants have been built.
B．Recycling plants will be in great need in some big cities.
C．The plants can only process paper and rubber but not steel or copper.
D．We don' t have a very good way of sorting and separating the rubbish.

单项选择题

Which of the following statements is NOT true according to the passage

A．The concept of "old" is differently defined in different times.
B．Nobody can remain physically healthy throughout the life.
C．The progress in medical knowledge has contributed a lot lo longer lives of us.
D．Older people may get ill and physically disabled more easily than younger ones.