下列语句中，加粗词语古今同义的一项是： [ ] A．太子迟之，疑其有改悔 B．约

患者男性，33岁，近5年来反复出现上腹部疼痛，尤以饱食后明显。今日出现右上腹剧痛，5小时后来院就诊。检查：生命体征平稳，腹部平坦，全腹压痛及反跳痛，腹肌紧张呈板状腹，移动性浊音可疑。

提示：患者腹部X线平片提示膈下游离气体，白细胞15.2×10⁹／L。此患者首先应该做的检查是（）

A.腹部B超

B.上消化道造影

C.肛门指诊

D.腹部X线平片

E.胃镜检查

F.腹部CT

纤维蛋白及纤维蛋白原的降解产物有（）

A.X碎片

B.X、Y碎片

C.X、Y、D碎片

D.X、Y、D、E碎片

E.D、E碎片

与十六进制数26CE等值的二进制数是

A．011100110110010

B．0010011011011110

C．10011011001110

D．1100111000100110

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．computers
B．routers
C．switches
D．networks

果岭沙坑一般应该置于果岭裙至环形带范围内。