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

游客2025-05-03 63

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 give off表示“释放，放出”；put out表示“扑灭；生产”；set off表示“动身；开始”；use up表示“用光，用完”。

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