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问题 多项选择题

1994年实行个人所得税制度的全面改革，将原来按照纳税人的类型分别设立的（）合并为统一的个人所得税

A.个人所得税

B.个人收入调节税

C.个体工商业户所得税

D.私营企业所得税

答案

参考答案：A, B, C

单项选择题

房地产交易的基本制度中，( )不仅关系着当事人之间的财产权益，而且也关系着国家的税费收益。

A．房地产成交价格
B．房地产评估价格
C．房地产市场价格
D．房地产销售价格
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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.

7（）

A.virtual

B.virus

C.worms

D.bacteria
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