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问题 单项选择题

( )是指由于对项目的社会影响估计不足，或者项目所处的社会环境发生变化，给项目建设和运营带来困难和损失的可能性。

A．资源风险

B．环境风险

C．融资风险

D．社会风险

答案

参考答案：D

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.

9（）

A.names

B.cookies

C.software

D.extensions
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单项选择题

我国高血压引起的死亡原因最常见于

A．尿毒症
B．心力衰竭
C．脑血管意外
D．高血压危象
E．伴发冠心病
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