单项选择题

Passage Two
Questions 29 to 31 are based on the passage you have just heard.

A．Most of it is lost in the upper and lower atmosphere.
B．Most of it is reflected by the gases in the upper atmosphere.
C．Most of it is absorbed by the clouds in the lower atmosphere.
D．Most of it is used to evaporate water from the oceans and lakes.
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单项选择题
A．She had already finished them.B．His mother had taken them away.C．She forgot where she had left them.D．Someone in his family was holding them.
A．She had already finished them.
B．His mother had taken them away.
C．She forgot where she had left them.
D．Someone in his family was holding them.
单项选择题
A．They can be turned off by body odor.B．They are taller and stronger.C．They are slow in becoming intimate.D．They believe the relationship is not intimate enough.
A．They can be turned off by body odor.
B．They are taller and stronger.
C．They are slow in becoming intimate.
D．They believe the relationship is not intimate enough.
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