单项选择题
(接上一题)该点与计划S曲线的水平距离表示(70)。
A.进度超前的时间
B.进度拖后的时间
C.超额完成的任务量
D.拖欠的任务量
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单项选择题
Personal firewall is a technology that helps(66)intruders from accessing data on your PC via the Internet or another network, by keeping(67)data from entering or exiting your system.Hackers do not just target national security organizations for(68): They want your tax returns, network passwords, or bank account numbers. And you do not want the FBI kicking in your door because someone hijacked your PC to(69)in the latest denial-of-service attack on the Internet. Now that 'always-on' broadband connections such as cable modems and digital subscriber line are becoming more popular, home users are at risk. Fortunately, you can protect your data. Firewalls can block(70)attacks and protect your PC from outside threats.
A.allow
B.prevent
C.invite
D.get
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单项选择题
data effectively is crucial for success in today's competitive environment. Managers must know how to use a variety of tools. Integrated data takes information from different sources and puts it together in a meaningful and useful way. One of the difficulties of this is the(72)in hardware and software.(73)integration uses a base document that contains copies of other objects.(74)integration uses a base document that contains the current or most recent version of the source document it contains.(75)provides an overview of the program written in' plain' English, without the computer syntax.
A.Generalizing
B.Sharing
C.General-using
D.Globalizing
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