搜题请搜索小程序“爱下问搜题”
问题 多项选择题

冒险型创业的特点包括（）。

A.创业难度较大，但失败率较低

B.在创业时机、创业策略研究拟订、经营模式设计、创业过程管理等各个方面需要良好的配合

C.对创业者的能力要求很高

D.创业者个人前途的不确定性很高

答案

参考答案：B, C, D

单项选择题

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．

（73）处应填（）。

A．10

B．30

C．60

D．180
查看答案
单项选择题

(91～94题共用题干)患者，女，30岁，咳嗽2个月，少量咳痰带血，乏力，尤明显低热，无消瘦、无淋巴结肿大，查体：肺部无异常体征。

如诊断为十二指肠前壁溃疡穿孔，并幽门梗阻，采取手术治疗，选哪种方法最适宜

A．溃疡穿孔修补术

B．胃大部切除毕Ⅰ氏

C．胃大部切除毕Ⅱ氏

D．旷置性胃大部分切除术
查看答案