题目内容

在电气化铁路上，若用沙土灭火时，距接触网在（）时，可不停电。

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You are responsible for Company's network. You have been assigned the task to create and deploy a standard Windows 2000 Professional image to 1,000 new client computers in the Company's main office. You log on to a client computer named DuplicateTK by using the local administrator account. You install three Windows 2000 Professional compatible software packages on DuplicateTK. After the software installations are done you create an image with a third-party imaging software. You deploy the image to a test client computer and join the client to a domain. When you log on to the test computer by using a domain user account, the new applications do not appear in the start menu. You need to be able to re-create the image to include the applications in the Start menu for all users. What action should you take on DuplicateTK?（）

Allow the local Users group Read & Execute permission on the parent folder that contains the applications.
B. Run the change user / install command， and the run the change user / execute command.
C. Reinstall the applications by using the Control Panel， Add/Remove Program wizard.
D. Copy the local administrators profile over the default user profile.

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把一个文件的属性改为隐藏后，该文件就会被自动隐藏而不可见了。（）

A. 正确
B. 错误

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依法治国的基本要求是什么？

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关于直流电压表和交流电压表的正确说法是（）

A. 直流电压表同样可以测量交流电
B. 交流电压表同样可以测量直流电
C. 交流和直流电压表可以互相测量但是精度不同
D. 车辆常见的脉动直流电用交流和直流电压表均可以测量

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