股票流通市场最主要的组织形式是（） A.场内交易 B.场外交易 C.第三市场 D.第

In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.

To a router, a flow is a (1) of packets that share the same characterstics, such as traveling the same (2) , using the same (3) , having the same kind of security, and so on. A router that supports the handling of flow labels has a (4) table. The table has an entry for each Active flow label; each entry defines the (5) required by the corresponding flow label.

2（）

A．path

B．rout

C．circuit

D．way

She is looking after a       .

A．five-month-old baby

B．five month old baby

C．five-months-old baby

D．five-years-old baby

青藏铁路上行驶的载客列车都是全封闭式的，关于这样设计的目的叙述不正确的是[ ]

A．为了抵御寒冷的外部环境      

B．为了阻止乘客向外观望

C．为了保护当地的生态环境      

D．为了抵御低气压

信用卡按流通范围，可分为国际卡和地区卡。中国的银行发行的外汇信用卡，例如中国银行的外汇长城万事达卡，是国际卡，而人民币信用卡都是地区卡。 ( )

仪表联锁投用率如何计算？