搜题请搜索小程序“爱下问搜题”
问题 单项选择题

《建设工程施工合同（示范文本）》组成部分中，为合同当事人提供合同内容的编制指南，其具体内容需要发包方和承包方根据发包工程的实际情况进行细化的组成部分是（）。

A．协议书

B．通用条款

C．专用条款

D．附件

答案

参考答案：C

单项选择题

Melissa and LoveLetter made use of the trust that exists between friends or colleagues. Imagine receiving an (3) from a friend who asks you to open it. This is what happens with Melissa and several other similar email (4) . Upon running, such worms usually proceed to send themselves out to email addresses from the victim’s address book, previous emails, web pages (5) .

As administrators seek to block dangerous email attachments through the recognition of well-known (6) , virus writers use other extensions to circumvent such protection. Executable (.exe) files are renamed to .bat and .cmd plus a whole list of other extensions and will still run and successfully infect target users.Frequently, hackers try to penetrate networks by sending an attachment that looks like a flash movie, which, while displaying some cute animation, simultaneously runs commands in the background to steal your passwords and give the (7) access to your network.

6（）

A.names 

B.cookies 

C.software 

D.extensions
查看答案
单项选择题

（）不是YQB-I型液压起拨道器油缸活塞不工作的原因。

A、溢流阀调压螺栓松动压力过小

B、卸荷阀弹簧失效

C、活塞在缸体内被杂质研住

D、柱塞泵内存有空气，有空档
查看答案