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问题 单项选择题

建设单位工程招标应具备下列哪些条件？Ⅰ．有与招标工程相适应的经济技术管理人员Ⅱ．必须是一个经济实体，注册资金不少于一百万元人民币Ⅲ．有编制招标文件的能力Ⅳ．有审查投标单位资质的能力Ⅴ．具有组织开标、评标、定标的能力（）

A.Ⅰ、Ⅱ、Ⅲ、Ⅳ、Ⅴ

B.Ⅰ、Ⅱ、Ⅲ、Ⅳ

C.Ⅰ、Ⅱ、Ⅳ、Ⅴ

D.Ⅰ、Ⅲ、Ⅳ、Ⅴ

答案

参考答案：D

解析：《中华人民共和国招标投标法》第十二条。

选择题

下列字形和加点字的注音全都正确的是（    ）

A．所怙（hù）　　 踯躅（zhú）　 怆然（chàng） 早缫而绪(sāo)

B．偃仰（yǎn）嫔妃（bīn）麾下（huī）一叶扁舟（piān）

C．修葺（qì）　戏谑（xuè）　 剽掠（piāo）鼎铛玉石（chēng）

D．肯綮（qìng）　 渌水（lǜ）病偻（lǚ）　沽名钓誉（gū）
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单项选择题

The network layer provides services to the transport layer．It can be based on either (71) ．In both cases，its main job is (72) packets from the source to the destination．
In network layer，subnets can easily become congested，increasing the delay and (73) .
for packets．Network designers attempt to avoid congestion by proper design．Techniques include (74) policy，caching，flowcontrol，and more．
The next step beyond just dealing with congestion is to actually try to achieve a promised quality of service．The methods that can be used for this include buffering at the client，traffic shaping，resource (75) ，and admission control．Approaches that have been designed for good quality of service include integrated services(including RSVP) ，differentiated services， and MPLS．

A．abandonment
B．retransmission
C．checksum
D．synchronism
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