A:which I think i
B:which I think it i
C:which I think it
D:I think which i
已知全集U={1,2,3,4,5},集合A={1,2},B={2,3},则(CUA)∪B= ( )
某出版社将《齐民要术》《天工开物》列为同类古籍出版发行,这类古籍是( )
下列说法正确的是( )