单项选择题

A．It’s because there are many developing nations.
B．It’s because people use too many man-made materials.
C．It’s because we have more and more industry.
D．It’s because we are building more vehicles.
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单项选择题
A．In our daily life.B．In business and universities.C．In government and industry.D．Both A and B.
A．In our daily life.
B．In business and universities.
C．In government and industry.
D．Both A and B.
单项选择题
A．She doesn’t like the movie.B．She likes the movie very much.C．She wants to start before the rush hour.D．She doesn’t start till seven.
A．She doesn’t like the movie.
B．She likes the movie very much.
C．She wants to start before the rush hour.
D．She doesn’t start till seven.
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