根据Child-Pugh分级，以下属于B级的是（）。 A.血总胆红素35umol/L

病畜表现叩诊胸部疼痛，咳嗽加剧，听诊胸部有摩擦音，常表示病畜患有（）。

A.小叶性肺炎

B.大叶性肺炎

C.胸腔积水

D.胸膜炎

E.肺充血和肺水肿

减少债券利率风险的方法是（）。

A.持有单一债券

B.持有多种债券

C.集中债券的到期日

D.分散债券的到期日

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

流程图中决策用( )表示。

A．圆

B．椭圆

C．菱形

D．矩形

患者咳嗽痰少，经常痰中带血，血色鲜红，口干咽燥，颧红，潮热盗汗，舌质红，脉细数，此病的病机是

A．燥热伤肺

B．肝火犯肺

C．虚火灼肺

D．痰热蕴肺

E．以上均不是