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问题 单项选择题

开发策略是根据什么和工作内容而采取的行动方针和工作方法

A．工作方法

B．工作对象

C．工作效益

D．工作目标

答案

参考答案：B

解析：【命题目的】本题考查开发策略的定义。
【解题要点】开发策略是根据工作对象和：工作内容而采取的行动方针和工作方法。 制定正确的策略是保证达到既定目标的、必要的、具有战略意义的措施。

填空题

计算32×65时，先用(    )去乘32，再用(    )去乘32，最后把两次乘得的数(    )，积是(    )。
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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 (66) from a friend who asks you to open it. This is what happens with Melissa and several other similar email (67) . Upon running, such worms usually proceed to send themselves out to email addresses from the victim’ s address book ,previous emails, web pages (68) .
As administrators seek to block dangerous email attachments through the recognition of well- known (69) , virus writers use other extensions to circumvent such protection. Executable (.exe) files are renamed to . bat and . cnd 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 (70) access to your network.

A．attachment

B．paeket

C．datagram

D．message
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