冷冻肉解冻是应(),否则会加速肉类变质。
A、自然解冻
B、自来水冲淋
C、温水浸泡
D、盐水浸泡
参考答案:A
除去水中固体悬浮物的实验方法是( )
A.煮沸
B.蒸馏
C.过滤
D.蒸发
I have ever seen Yao Ming on TV ,but never_______. [ ]
A. in the basket
B. in the air
C. on exhibition
D. in the flesh