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问题 选择题

2012年9月，日本强占我国领土---钓鱼岛，我国政府和民众表示强烈抗议，小强想知道钓鱼岛在哪里，他应该查找

（　　）

A．世界政区图

B．世界地形图

C．世界气候图

D．世界人口图

答案

想知道钓鱼岛的具体位置，应选择世界政治地图．

故选：A．

单项选择题

关于血清学试验，错误的是（）

A.在体外发生的抗原和抗体特异性结合

B.可用已知抗原测未知抗体

C.可用已知抗体测未知抗原

D.可用于细菌分型

E.只用于疾病的辅助诊断
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单项选择题

Traditional IP packet forwarding analyzes the____(1)____IP address contained in the network layer header of each packet as the packet travels from its source to its final destination．A router analyzes the destination IP address independently at each hop in the network．Dynamic ____(2)____protocols or static configuration builds the database needed to analyze the destination IP address(the routing table)．The process of implementing traditional IP routing also is called hop—by—hop destination—based____(3)____routing．Although successful，and obviously widely deployed，certain restrictions，which have been realized for some time，exist for this method of packet forwarding that diminish its____(4)____．New techniques are therefore required to address and expand the functionality of an IP—based network infrastructure．This first chapter concentrate on identifying these restrictions and presents a rew，architecture，known as multipIeprotocol____(5)____switching，that provides solutions to some of these restrictions．

(1)

A．datagram

B．destination

C．connection

D．service
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