下列哪一项不是细辛的功效（）
A．祛风散寒
B．止痛
C．温肺化饮
D．宣通鼻窍
E．行气活血
参考答案：E
No sooner had he finished his talk______he was surrounded by the workers.
A. asB. thenC. thanD. when
下列哪些因素与染色体畸变有关（）
A.孕母年龄过大
B.放射线
C.病毒感染
D.化学药物
E.遗传因素
