A.They're under the bed.
B.It's my father's.
C.Try this.
D.I'm eleven.
E.So beautiful!
(____)⑴How old are you?
(____)⑵Where are my trousers?
(____)⑶The hat is so big.
(____)⑷Whose jacket is it?
(____)⑸Look at my dress.
我国最大的盐场是( )
已知集合A={2,3},B={2,2a﹣1},若A=B,则a=____
从全球范围看,人口增长快,粮食不足,解决的办法有:①控制人口数量 ②科技兴农,提高单产 ③大规模开垦 ④进口粮食