第12题:[单选题] Records which must be retained on board after report of casualty to a vessel include the ______. A. tour reports B. hull reports C. machinery repair record book D. deck equipment log 参考答案:A 【参考译文】进行伤亡报告后,船舶必须保留在船上的报告包括航次报告。 【解 析】retained保留 casualty伤亡者
第18题: [单项选择]以下关于病毒的描述中,不正确的说法是 A. 对于病毒,最好的方法是采取“预防为主”的方针 B. 杀毒软件可以抵御或清除所有病毒 C. 恶意传播计算机病毒可能会是犯罪 D. 计算机病毒都是人为制造的 参考答案:B 答案解析:任何一种杀毒软件都不可能抵御或清除所有病毒。而且,杀毒软件的更新往往落后于病毒的更新与升级。
第22题: [简答题]what is a route reflector? 参考答案:
R.oute reflector is used to reduce IBGP connections in an AS contains large number of IBGP
P.eers. A router is configured as a route reflector (RR), and other IBGP routers, known as clients, peer with the RR only. Route reflectors work by relaxing the rule that BGP router cannot advertise routes learned from IBGP peer to any other IBGP peers.BGP route can be reflected by RR.
第31题: [单项选择]Passage Two Questions 29 to 31 are based on the passage you have just heard. A. In 1816. B. In the middle of 1800s. C. In 1861. D. In 1865. 参考答案:D 答案解析:[听力原文] 29-31 The Civil War came about as a result of many differences between the North and t