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问题 单项选择题

初步核实的时限，应从（）算起，至纪检部门提出处理意见呈报分管领导审批时为止。

A、初步核实批准之日

B、初步核实工作实际开始之日

C、初步核实呈批之日

D、调查组成立之日

答案

参考答案：B

选择题

下列物质不属于空气污染物的是

A．SO2

B．CO2

C．NO2

D．NO
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单项选择题

An internet is a combination of networks connected by （1）. When a datagram goes from a source to a （2）, it will probably pass many （3） until it reaches the routerattached to the destination network. A router receives a （4）from a network and passes it toanother network. A router is usually attached to several networks. When it receives a packet, towhich network should it pass the packet The decision is based on optimization: Which of theavailable（5） is the optimum pathway

（3）是（）

A.destinations

B.routers

C.packets

D.computers
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