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问题 单项选择题

在一份书面学习材料中，记忆效果最好的位置往往是( )。

A．开始和结尾部分
B．中间部分
C．不一定
D．都一样

答案

参考答案：A

解析： 中间部分受前摄抑制和倒摄抑制，一般效果不好。

单项选择题

The Border Gateway Protocol (BGP) is an interautonomous system. （1）protocol. The primary function of a BGP speaking system is to exchange network（2）information with other BGP system. This network reachability information includes information on the list of Autonomous System (ASs) that teachability information traverses. BGP-4 provides a new set of mechanisms for supporting （3） interdomain routing. These mechanisms include support for advertising an IP （4）and eliminate the concept of network class within BGP. BGP-4 also introduces mechanisms that allow aggregation of routes, including（5）of AS paths. These changes provide support for the proposed supernettting scheme.

1（）

A.resolving 

B.connecting 

C.supernettting 

D.routing
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单项选择题

下列财产作为抵押物时，( )应当办理抵押登记。抵押权自登记时设立。

A．交通运输工具

B．原材料

C．建筑物

D．生产设备
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