每日一练：职称英语C级每日一练(2014-12-20)
【单选题】
In the process, the light energy converts to heat energy.
A. changes
B. drops
C. reduces
D. leaves
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每日一练：职称英语C级每日一练(2014-12-20)
【单选题】
In the process, the light energy converts to heat energy.
A. changes
B. drops
C. reduces
D. leaves
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