具有“滋养心肝，益阴补血，交通心肾”功效的药物是（） A.酸枣仁 B.柏子仁

风险最大的是商业物业风险，是因为( )。

A．商业物业对于宏观经济变化反应最快和最大
B．商业投资的预测最难
C．商业的社会发展方向不易预测
D．商业人员无法竞争时心理变化很大

偏头痛临床主要特点为（）

A.半侧头痛

B.有先兆

C.搏动性跳痛

D.周期性发作性头痛

E.以上均不正确

One of the most widely used routing protocols in IP networks is the Routing Information Protocol(RIP)．RIP is the canonical example of a routing protocol built on the (71) algorithm．Routing protocols in internetworks differ slightly from the idealized graph model．In aninternetwork，the goal of the routers to forward packets to various (72) ．
Routers running RIP send their advertisement about cost every (73) seconds．A router also sends an update message whenever an update from another router causes it to change itsrouting table．
It is possible to use a range of different metrics or costs for the links in a routing protocol．RIP takes the simplest approach，with all link costs being equal (74) Thus it always tries tofind the minimum hop route．Valid distances are 1 through (75) ．This also limits RIP torunning on fairly small networks．

A．6
B．10
C．15
D．16

基本医疗卫生制度中的四大体系不包括（）

A.公共卫生服务体系

B.医疗服务体系

C.医疗保险保障体系

D.药品供应保障体系

下列各项资产中，可以采用实地盘点法进行清查的有( )。

A．应收账款

B．原材料

C．银行存款

D．固定资产