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问题 单项选择题

根据以下资料，回答91-95题。

上表中2001年的医院人院人数比1995年增长了（）。

A．25.6%

B．20.1%

C．22.3%

D．24.5%

答案

参考答案：C

解析：

2001年医院入院人数比1995年增长了3759÷3073-1≈22.3%。

单项选择题

Routing protocols use different techniques for assigning (71) 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 (72) Some routing protocols can even use multiple paths when paths have an unequal cost. In either case, load (73) 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 (74) across the possible routes in a manner proportional to the route metrics. Per-destination load balancing distributes packets across the possible routes based on (75)

A．bracketing

B．balancing

C．downloading

D．transmitting
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填空题

中国2001年发行的奥运纪念邮票(未经使用)
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