下列四项中,属于植物有性生殖的是( )
A:用菊花枝条扦插繁殖
B:用带眼的马铃薯块茎繁殖
C:豌豆产生种子繁殖后代
D:用组织培养方法繁殖草莓
王老师要买60个足球,三个店的足球单价都是25元,你认为王老师到哪个店买最合算?
下列划线字读音不相同的一项是( )
选出恰当的应答语。
A.There was no computer room.
B.I looked it up on the Internet.
C.I went to Mountain Tai.
D.He tripped and fell in the race.
E.I went there by plane.
( 1 )____( 2 )____( 3 )____
( 4 )____( 5 )____
下列有关植物根的作用中说法错误的是( )