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