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问题 选择题

关于地球自转方向的准确说法是（　　）

A．顺时针方向

B．逆时针方向

C．自东向西

D．自西向东

答案

地球自转的方向是自西向东．北半球上空看是逆时针，南半球上空看是顺时针．
故选：D．

选择题

下列各句都有实词活用现象，与其他三句不同类的一项是[ ]

A．高宗闻其名，召见，异之

B．往而不反，卒至土崩

C．后善其言，迁正谏大夫

D．固辞不与，世洁其为人
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单项选择题

The Border Gateway Protocol (BGP) is an interautonomous system (76) protocol. The primary function of a BGP speaking system is to exchange network (77) information with other BGP system. This network reachability information includes information on the list of Autonomous System (ASs) that reachability information traverses. BGP-4 provides a new set of mechanisms for supporting (78) interdomain routing. These mechanisms include support for advertising an IP (79) and eliminate the concept of network class within BGR BGP-4 also introduces mechanisms that allow aggregation of routes, including. (80) of AS paths. These changes provide support for the proposed supernettting scheme.

（78）是（）

A.prefix

B.suffix

C.infix

D.reflex
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