治疗局限型侵袭性牙周炎患者,应首选的药物是
A.四环素 B.红霉素 C.甲硝唑 D.青霉素 E.链霉素
参考答案:A
扑救爆炸物品火灾,切忌用(),以免增强爆炸物品爆炸时的威力。
A.水冲
B.用泡沫灭火器灭火
C.1211灭火器灭火
D.沙土盖压
In relation to the law of torts:
(a) Define the different kinds of ‘torts’; and (5 marks)