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问题 多项选择题

《电力建设工程施工安全监督管理办法》第二十八条规定，在消防安全管理上，施工单位应当在施工现场按规定设置（）

A.消防通道

B.消防水源

C.消防应急组织结构

D.应急预案

答案

参考答案：A, B

单项选择题

Melissa and LoveLetter made use of the trust that exists between friends or colleagues. Imagine receiving an (6) from a friend who asks you to open it. This is what happens with Melissa and several other similar email (7) . Upon running, such worms usually proceed to send themselves out to email addresses from the victim’s address book, previous emails, web pages (8) .

As administrators seek to block dangerous email attachments through the recognition of well-known (9) , 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 (10) access to your network.

8（）

A.memory

B.caches

C.ports

D.registers
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选择题

关于热传递，下列说法中正确的是（　　）

A．热传递是温度的传递

B．物体间存在着温度差，才能发生热传递

C．热传递可以在任何情况下进行

D．物体的内能发生了改变，一定是吸收或放出了热量
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