单项选择题

A．We are making too many vehicles.
B．We have more and more industry.
C．There are too many developing countries.
D．People use too many man-made materials.
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单项选择题
A．She hasn’t cleaned her room either.B．She left her room on time this morning.C．She can help the man clean up his room.D．She doesn’t know the mess the man have made in her room.
A．She hasn’t cleaned her room either.
B．She left her room on time this morning.
C．She can help the man clean up his room.
D．She doesn’t know the mess the man have made in her room.
填空题
Earthquakes often come together with ______.
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