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问题 单项选择题

患者，女，62岁。其因脑血管病住院治疗。右上肢反复静脉穿刺后出现红肿疼痛，皮下可及硬索条，沿静脉走行区压痛明显。

该患者当诊断为（）

A.股肿

B.大动脉炎

C.痹证

D.青蛇毒

E.痿证

答案

参考答案：D

单项选择题

The metric assigned to each network depends on the type of protocol. Some simple protocol, like RIP, treats each network as equals. The ___44___ of passing through each network is the same; it is one ___45___ count. So if a packet passes through 10 network to reach the destination, the total cost is 10 hop counts. Other protocols, such as OSPF, allow the administrator to assign a cost for passing through a network based on the type of service required.A ___46___ through a network can have different costs (metrics). For example, if maximum ___47___ is the desired type of service, a satellite link has a lower metric than a fiber-optic line. On the other hand, if minimum ___48___ is the desired type of service, a fiber-optic line has a lower metric than a satellite line. OSPF allow each router to have several routing table based on the required type of service.

47（）

A．1atency

B．throughput

C．utilization

D．jitter
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单项选择题

某收集商从刚刚卖出去的一部手机中赚到了10%的利润，但如果他用比原来进价低10%的价钱买进，而以赚20%利润的价格卖出，那么他就少赚25元，请问这部手机卖了多少钱（）

A．1250元

B．1375元

C．1550元

D．1665元
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