连线题

⑴牛吃草                             A.应激性

⑵向日葵向着太阳                     B.生长

⑶植物的开花结果                     C.摄取营养

⑷人体的排汗                         D.繁殖

⑸小虎长成大老虎                     E.新陈代谢