打击与防范是公安机关维护社会治安秩序和社会稳定的“两手”，二者互相补充，互相兼容。( )
参考答案：对
—What's wrong with you?
— . [ ]
A. I have a cold
B. I want to take some medicine
C. I've got a new bike
D. I'm not a doctor
治疗痰火惊风，应首选哪种药物
A．皂荚B．天南星C．白附子D．半夏E．胆南星
