救护队在医疗救护人员没有到达现场之前,应采取适当的急救措施:()。
A.检查现场是否安全
B.人体隔离防护
C.分析受伤机理
D.给伤员做手术
参考答案:A, B, C
Fair and(1)competition in govemment procurement around the world is good business and good public policy.Competitive pricing,product(2)and performance improvements result from competitive practices and help ensure that government authorities get the best(3)for the public they serve.
空白(2)为()
A.recession
B.innovation
C.crisis
D.ability
不符合试电笔检测范围的有()。
A、30~50V
B、50~90V
C、90~500V
D、500~3600V