治疗风热郁闭，咽喉肿痛，大便秘结者，应首选
A．薄荷
B．蝉蜕
C．菊花
D．蔓荆子
E．牛蒡子
参考答案：E
—It's the computer room! So you ____ know smoking is not allowed here.
—Oh, sorry.[ ]
A. must
B. can
C. may
D. need
婴儿和儿童的原发性腹膜炎感染途径一般是
A．血行播散B．淋巴管扩散C．上行性感染D．直接扩散E．透壁性感染
