单项选择题

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A. The air pollution. B. The large population.
C. The destruction of forest. D. The Industrial Revolution.
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单项选择题
A. They plan to buy an apartment. B. This apartment is very expensive. C. The woman doesn’t like this apartment. D. This apartment is far from their working place.
A. They plan to buy an apartment.
B. This apartment is very expensive.
C. The woman doesn’t like this apartment.
D. This apartment is far from their working place.
单项选择题
A. The dry climate. B. The water pollution. C. The climate change. D. Water conservation.
A. The dry climate. B. The water pollution.
C. The climate change. D. Water conservation.
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