以下部件属于液压系统中的控制调节装置的是（）。 液压泵。 液压马达。 控制阀。 油箱。
You are the desktop administrator for your company. All employees have Windows XP Professional portable computers. A sales representative named Richard has a local user account on his computer. Richard is issued a portable USB print device. You log on to his computer and disable the restrictions on loading unsigned drivers. All other local computer policies are configured with the default settings. You restart Richard’s computer. Then Richard connects the USB print device, but the printer does not appear in the Printers folder, and Richard cannot print any documents. You need to ensure that Richard can install the printer and print successfully. What should you do?（） Add Richard to the local Print Operators group on his computer.。 Add the /fastdetect switch in the Boot.ini file on Richard’s computer. 。 Disable the Prevent users from installing printer drivers local security policy setting. 。 Modify the Driver Signing Options, selecting the Make this action the system default check box.。
对于非通长配筋桩，下部应有不少于（）根与注浆管等长的主筋组成的钢筋笼通底。 2。 3。 4。 5。
Which are the two modes for the installation of Windows 2000 professional. （） Interactive and Network mode.。 Attended and unattended mode.。 Diskless and floppy mode.。 User level and administrator level mode.。
铁合金煤气回收时，严禁随意打开（）观察炉内情况。 泄爆装置。 炉门。 烟道。
《王子安集》的作者是（）。
