Every chemical change either results from energy being used to produce the chang

游客2024-02-13 34

问题 Every chemical change either results from energy being used to produce the change or causes energy to be ______ in some form.

选项 A、given off
B、put out
C、set off
D、used up

答案 A

解析动词词组辨析。A)given off表示“释放”；B)put out表示“使熄灭，生产”；C)set off表示“启程；使爆炸”；D)used up表示“耗尽”。

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