细胞分裂素主要是在（）中合成。
参考答案：根
The fans ______ patiently for hours and they will wait till the movie star _____.
A．will wait;arrives
B．have waited; will arrive
C．have been waiting; arrives
D．waited;arrives
中风闭证的病机是（）
A.热入心包
B.热结胃肠
C.邪实内闭
D.热动肝风
E.痰湿内阻
