单项选择题

The main cause of pollution is （）

A．the production of new industrial goods
B．increased amounts of natural substance
C．our ever-increasing population
D．the release of artificial of natural substances into the environment

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热门试题

单项选择题

What does the author suggest that the government should do for women workers（）

A．To ensure equal pay for women.
B．No solution is clearly suggested.
C．To explain why women are paid less.
D．To force employers to hire more women.

单项选择题

Why did the man fasten the end of the rope before he climbed up the ladder（）

A．He was afraid that someone would steal his box.
B．Because he wanted to climb up along the rope.
C．He fastened the end of the rope in order to keep the box unmoved.
D．Because he wanted to prevent the box from coming down.