DTM-452C在节电设置中，休眠应设为：（）
A.关
B.1分钟
C.3分钟
参考答案：A
加工时常在肉类中加盐，是持水性增加。
— The radio is too noisy and there is nothing interesting on it. Why don't you ____?
— All right. I'll do that. [ ]
A. turn it on
B. turn it off
C. turn it back
D. turn it up
