What is NOT mentioned about the trip?
A:Days of the trip.
B:Places to visit.
C:Price of the trip.
D:Meals during the trip.
徐老师在介绍我国古代某朝市民生活的讲座中多次提及“交子”、“瓦舍”。他介绍的是哪一朝代的市民生活( )
在自然数里,九位数一定大于八位数.
下列句子中没有词类活用的一项是( )