卫生法的最高宗旨和卫生工作的最终目的是
A．保护公民健康B．预防为主C．动员全社会参与D．卫生工作法制化E．祖国传统医学与现代医学并重
参考答案：A
补钾时宜在尿量达到多少时进行（）。
A.30ml／小时
B.500ml／天
C.3g／L
D.4～12g
E.0.5ml／kg
After graduation from college, he began to wander from city to city, ________a suitable job. [ ]
A. hunting for
B. taking on
C. looking after
D. bringing up
