2. 外语
  3. Every chemical change either results from energy being used to produce the change, or causes energy to be______ in some form.

Every chemical change either results from energy being used to produce the change, or causes energy to be______ in some form.

admin2011-02-15  56
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 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]setoff“出发，启程”，[D]used up“用完，用光”都与题意不符。
转载请注明原文地址:https://www.kaotiyun.com/show/Cxo7777K
0

大学英语六级

相关试题推荐
随机试题
最新回复(0)