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问题 单项选择题 A3/A4型题

患者，男，66岁。痰多易咳色灰，咳嗽，气喘，时有便秘，舌淡苔白腻，脉弦。

首选的药物是（）

A.清化热痰药

B.止咳平喘药

C.温化寒痰药

D.辛温解表药

E.平抑肝阳药

答案

参考答案：C

问答题 简答题

简述证券发行核准制的含义及其优缺点。
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单项选择题

Traditional network layer packet forwarding relies on the information provided by network layer （1） protocols, or static routing, to make an independent（2） decisions at each hop within thenetwork. The forwarding （3）is based solely on the destination （4） IP address. All packets for thesame destination follow the same path across the network if no other equal-cost paths exist.Whenever a router has two equal-cost （5）toward a destination, the packets toward the destinationmight take one or both of them, resulting in some degree of load sharing.

（5）是（）

A.paths

B.states

C.systems

D.connections
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