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Every chemical change either results from energy being used to produce the chang
Every chemical change either results from energy being used to produce the chang
游客
2025-05-05
7
管理
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
A项given off意为“释放,放出”;B项put out意为“扑灭;生产”;C项 set off意为“动身;开始”;D项used up意为“用光,用完”。
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