某花木场需要短时间繁殖出大量的康乃馨，应该选用的方法是 [ ]
A．组织培养
B．嫁接
C．扦插
D．用种子繁殖
答案：A
Tom is ____________ TV. Mary and Kate are ____________.[ ]
A. watch, sleep
B. watching, sleep
C. watching, sleeping
D. watch, sleeping
鹿的可塑性和鹿的适应性
