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问题 单项选择题

在该患者进行结核菌试验，预计可能出现下列不同情况，哪一项解释是错误的

A．阳性表示结核感染

B．强阳性可以支持结核病诊断

C．阴性可以排除结核病

D．弱阳性可以提示卡介苗交叉反应

E．因患者免疫抑制，其诊断价值受影响

答案

参考答案：C

单项选择题

下列对CRM说法正确的是（）

A.客户关系管理只注重吸引新顾客

B.客户关系管理实质上是一种“关系营销”

C.交易营销更注重保留客户，建立长期稳定关系

D.上述说法都不正确
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单项选择题

The Border Gateway Protocol (BGP) is an interautonomous system. ___49___ protocol. The primary function of a BGP speaking system is to exchange network ___50___ 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 ___51___ interdomain routing. These mechanisms include support for advertising an IP ___52___ and eliminate the concept of network class within BGP. BGP-4 also introduces mechanisms that allow aggregation of routes, including ___53___ of AS paths. These changes provide support for the proposed supernettting scheme.

53（）

A. reservation

B. utilization

C. aggregation

D. connection
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