语法与词汇 7.Every chemical change either results from energy being used to produce the change, or causes energy to be______in some form.
【正确答案】 A
【答案解析】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”。