According to the passage,recycling paper is important because____。
A. better paper sacks can be made out of waste paper.
B. the prices of new paper are very high.
C. trees are no longer available in the developed countries.
D. more trees on earth can be saved.
查看答案
Which of the following can NOT be called recycling？
A. Making new paper from used paper.
B. Using.worn-out rubber tires to make new ones.
C. Burying metal cans and glass bottles.
D. Producing new steel from metal in broken cars.
请选择（2）处的最佳答案．
A. a little
B. little
C. much
D. a great deal
Nowadays, men and women receive equal salary.
A. wage
B. pay
C. payment
D. waste
An understanding of English ____
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