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问题 选择题

You are saying that everyone should be equal, and this is _____ I disagree. [ ]

A. why

B. where

C. what

D. how

答案

答案：B

单项选择题

依法对出口食品生产、加工、储存厂、库实行卫生注册登记管理的部门是( )。

A．国家食品管理部门

B．国家卫生行政主管部

C．国家质量技术监督部门

D．国家出入境检验检疫部门
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单项选择题

Melissa and Love Letter made use of the trust that exists between friends or colleagues. Imagine receiving an (26) from a friend who asks you to open it. This is what happens with Melissa and several other similar email (27) . Upon running, such worms usually proceed to send themselves out to email addresses from the victim’s address book, previous emails, web pages (28) .

A. memory B. caches C. ports D. registers

As administrators seek to block dangerous email attachments through the recognition of well-known (29) , 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 (30) access to your network.
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