下列各项中,属于相对性状( )
A.豌豆种子的圆滑与皱缩
B.山羊的毛较少,绵羊的毛较多
C.姚明长的较高,刘翔长的较瘦
D.丹丹是单眼皮,强强也是单眼皮
答案:A
高劳动生产率的途径有哪些?
Good afternoon. Can I help you?()
A.No. I don't think so.
B.Thank you.
C.I need to buy a birthday present for my son.
D.Yes. I think so