对于易腐烂变质或难以久存的商品,适用的拍卖方式是()
A.增价拍卖
B.减价拍卖
C.密封递价拍卖
D.网上拍卖
参考答案:B
—Her grandpa passed away yesterday.— ______ .
A.How do you like it?
B.He was a kind man.
C.Sorry to hear that.
D.What shall we do?
从5月1日起,北京市在中小学校等10类公共场所全面禁烟.有人吸烟时,周围的人很快就会闻到烟味,这种扩散现象说明气体分子______.