第11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:[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”。