搜题请搜索小程序“爱下问搜题”
问题 多项选择题

一般来说，可行性研究的主要内容包括( )。

A．投资必要性

B．技术可行性

C．经济可行性

D．社会可行性

E．法律可行性

答案

参考答案：A,B,C,D

解析：各类投资项目可行性研究的内容及侧重点因行业特点，而差异很大，但一般应包括以下内容：
(1)投资必要性；
(2)技术可行性；
(3)财务可行性；
(4)组织可行性；
(5)经济可行性；
(6)环境可行性，
(7)社会可行性；
(8)风险因素及对策。

单项选择题 共用题干题

● A glue that holds the whole Internet together is the network layer protocol, (71)．Unlike most older network layer protocols, it was designed from the beginning with internetworking in mind．Its job is to provide a (72) way to transport datagrams from source to destination，without regard to whether these machines are on the same network or whether there are other networks in between them． Communication in the Internet works as follows．The (73) layer takes data streams and breaks them up into datagrams．Each datagram is transmitted through the Internet, possibly being fragmented into smaller units as it goes．When all the pieces finally get to the destination machine, they are reassembled by the (74) layer into the original datagram．This datagram is then handed to the transport layer, which inserts it into the receiving process’ input stream． An IP datagram consists of a header part and a text part．The header has a (75) part and a variable length optional part．

空白处（72）应选择（）

A.best-quality

B.quality-guaranteed

C.connection-oriented

D.best-efforts
查看答案
单项选择题

你认为下列选项中，______式的开场白吸引学生注意力的效果相对较差。

A．开门见山
B．故事吸引
C．问题切入
D．幽默渲染
查看答案