善于治疗鼻渊头痛的药物是（）
A.羌活
B.辛夷
C.藁本
D.紫苏叶
E.荆芥
参考答案：B
The human body consists of organs, each ____a definite job to do.
A．have
B．to have
C．has
D．having
孕育处理
