史才三长

写出命题“两直线平行，内错角相等”的逆命题：______．

监理单位受业主的委托进行建设工程设计监理时，应( )。

A．确定设计委托方式及设计合同形式

B．编制指导性施工总进度计划并控制其实施

C．落实项目监理机构中专门负责设计进度控制的人员

D．建立健全设计技术经济定额及设计工作责任制

某宗房地产交易中，买方付给卖方2500元/m²，交易税费均由买方负担。已知该地区的房地产交易，卖方按正常价格的5%缴纳有关税费，买方按正常价格的3%缴纳有关税费，则该宗房地产的正常成交价格最接近于（）元/m²。

A．2427

B．2500

C．2575

D．2632

数码相机最重要的性能指标是（）。

A、存储能力

B、连拍速度

C、感光度

D、分辨率

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

A. confirmless B. connectionless C. answerless D. classless