当听不懂乘客所讲方言时,驾驶员规范的服务用语是()。
A、听不懂,请说普通话
B、很抱歉,请您使用普通话
C、不要讲方言
D、你说的是什么
参考答案:B
最早实行复式预算的国家是( )。
A.美国、英国
B.丹麦、瑞典
C.英国、法国
D.法国、印度
When administering gentamicin to a preschooler, which of the following monitoring schedules is best for determining the drug's effectiveness
A.A serum trough level every morning.
B.A serum peak level after the second dose.
C.A serum trough and peak level around the third dose.
D.Serial serum trough levels after three doses (24 hours).