题目内容

适用于使用碱性焊条较重要焊接结构的手工电弧焊的电源是()。

A. 弧焊变压器
B. 弧焊整流器
C. 弧焊发电机
D. 晶闸管弧焊电源
E. CO2保护焊

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镫骨性耳硬化的病变位于__________,耳蜗性耳硬化有病变位于__________或__________。

马铃薯去皮后应立即洗涤,如暂时不食用,应浸泡在清水中,主要原因是()。

A. 防止被细菌污染
B. 防止营养素损失
C. 防止氧化变色
D. 其他

You are the administrator of your company's network. You attempt to install a printer driver on a Windows 2000 computer for a user named Linda. You receive the following error message: “Error 11-Cannot install printer driver.” The driver was originally downloaded from the printer manufacturer’s Web site. You have successfully used the driver in the past on their Windows 2000 Professional computers. You want to configure Linda’s computer to check for driver integrity and to allow you to install this printer driver. What should you do? ()

A. Configure driver signing to display a message before installing an unsigned driver.
B. Configure driver signing to ignore File Signature Verification. Create a Local Computer Policy to enable Windows File Protection.
C. Use the Add Printer Driver wizard to install the driver. Create a Local Computer Policy to enable Windows File Protection.
D. Use the Print Troubleshooter. Configure the computer to prevent the installation of unsigned drivers.&e

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