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问题 选择题

一个木工师傅测量了一个等腰三角形木板的腰、底边和高的长，但他把这三个数据与其它的数据弄混了，请你帮助他找出来，是第（　　）组．

A．13，12，12

B．12，12，8

C．13，10，12

D．5，8，4

答案

A、132≠122+62，错误；

B、122≠82+62，错误；

C、132=122+52，正确；

D．82≠52+22，错误．

故选C．

多项选择题

20世纪初期，在中国宣传资产阶级民主革命思想的代表人物有（）

A．孙中山

B．章炳麟

C．邹容

D．陈天华
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单项选择题

Routing protocols use different techniques for assigning ______ to individual networks. Further, each routing protocol forms a metric aggregation in a different way. Most routing protocols can use multiple paths if the paths have an equal ______ . Some routing protocols can even use multiple paths when paths have an unequal cost. In either case, load ______ can improve overall allocation of network bandwidth. When multiple paths are used, there are several ways to distribute the packets. The two most common mechanisms are per-packet load balancing and per-destination load balancing. Per-packet load balancing distributes the ______ across the possible routes in a manner proportional to the route metrics. Per-destination load balancing distributes packets across the possible routes based on ______.

A. balancing B. uploadingC. downloading D. transmitting
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