单项选择题

A．For the sake of their health.
B．For the maintenance of the heating or the air-condition.
C．To make best use of their resources.
D．To make full use of the heating or the air-condition.
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单项选择题
A．The woman should have watched the volleyball match.B．He didn’t watch the volleyball match either.C．He wasn’t pleased with the result of the volleyball match.D．He wasn’t able to anticipate the result of the volleyball match.
A．The woman should have watched the volleyball match.
B．He didn’t watch the volleyball match either.
C．He wasn’t pleased with the result of the volleyball match.
D．He wasn’t able to anticipate the result of the volleyball match.
单项选择题
A．Science benefits us but costs much.B．Science harms us but brings about no benefits.C．Science benefits and harms as well if out of control.D．Science can help make Better swords.
A．Science benefits us but costs much.
B．Science harms us but brings about no benefits.
C．Science benefits and harms as well if out of control.
D．Science can help make Better swords.
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