单项选择题

A．To protect environment.
B．To cool buildings.
C．To change the climates.
D．To provide drinking water.
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单项选择题
A．He had not expected such a bold question from Pat.B．He wondered why Pat didn’t run away.C．Pat wasn’t afraid of him.D．Pat had a gun in his hands.
A．He had not expected such a bold question from Pat.
B．He wondered why Pat didn’t run away.
C．Pat wasn’t afraid of him.
D．Pat had a gun in his hands.
单项选择题
A．A driving test.B．A traffic accident.C．A police movie.D．The best way to make signals.
A．A driving test.
B．A traffic accident.
C．A police movie.
D．The best way to make signals.
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