关于"星形细胞瘤",下列描述哪项不对()。 A.Ⅰ级CT平扫为边缘清楚低密度灶 B. 发布时间:2017-08-15 23:49 │ 来源:www.tikuol.com 题型:单项选择题 问题: 关于"星形细胞瘤",下列描述哪项不对()。A.Ⅰ级CT平扫为边缘清楚低密度灶B.Ⅱ~Ⅳ级CT平扫可为等、高混杂密度C.小儿多发生于小脑D.成人以脑干居多E.肿瘤强化程度与恶性程度成正比
题型:单项选择题 根据句意及首字母提示, 补全下列单词。1. Monday is the s_______ day of the week. 2. The playground is in the c_______ of the school. 3. My new classmates are very f_______ to me. 4. I like to have dinner with my parents in a r_______. 5. Every student must obey all the school r_______. 6. There are many shops and banks c_______ to my home. 查看答案
题型: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 (1) algorithm.Routing protocols in internet works differ slightly from the idealized graph model.In an internet work,the goal of the routers to forward (2) to various networks.Routers running RIP send their advertisement about cost every (3) seconds.A router also sends an update message whenever an update from another router causes it to change its routing table.Routing protocols use different techniques for assigning (4) to individual networks.Further, each routing protocol forms a metric aggregation in a different way.RIP takes the simplest approach,with all link costs being equal (5) .Thus it always tries to find the minimum hop route.Valid distances are 1 through 15.This also limits RIP to runing on fairly small networks.5()A.1B.15C.16D.length of the link 查看答案