第37题: [单项选择]Every chemical change either results from energy being used to produce the change, or causes energy to be______ in some form. A. given off B. put out C. set off D. used up 参考答案:A 答案解析:题意是:每次化学变化或者来源于能量被用来产生这种变化,或者促使能量以某种形式而被______。 [A] given off“释放,发出”,符合题意。 [B] put out“熄灭,扑灭”,[C]s