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问题 多项选择题

从数据观察企业倒闭的迹象的方法有( )。

A．评估企业业绩的定量方法

B．分析数据的应用

C．财务指标和会计数字的比较

D．Z分模型

答案

参考答案：A,B,C,D

解析： 从数据观察企业倒闭的迹象的方法有：评估企业业绩的定量方法，分析数据的应用，财务指标和会计数字的比较，Z分模型。

判断题

如果上市公司对增发未作盈利预测的，证监会将不予核准其新股发行。
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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 (16) from a friend who asks you to open it. This is what happens with Melissa and several other similar email (17) . Upon running, such worms usually proceed to send themselves out to email addresses from the victim’s address book, previous emails, web pages (18) .
As administrators seek to block dangerous email attachments through the recognition of well-known (19) , 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 (20) access to your network.

A．attachment

B．packet

C．datagram

D．message
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