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问题 多项选择题

中国人民银行对出票人的哪些行为纳入“黑名单”管理。（）

A、出票人签发空头支票

B、签发与其预留签章不符的支票

C、签发支付密码错误的支票

D、未正确填写支票必要记载事项

答案

参考答案：A, B, C

单项选择题

下列选项中哪一组是关于行政行为从属性的正确理解
①行政行为得实施必须有法律依据；②行政行为必须在行政机关首长指令的范围内实施；③行政行为一经作出，相对人必须遵守和服从；④行政行为是受法律约束的行为。

A．①③④
B．①④
C．②④
D．①②③④
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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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