计价定额中的基价是计算（）的基础。 A.直接费 。 B.间接费 。 C.规费 。 D.定额直接费。
Which three statements are true about windows？（） Only one window can be open at any given time。 Consumer groups are associated with windows。 Windows work with job classes to control resource allocation。 The database service name must be provided during windows creation。 Windows can automatically start job or change resource allocation among jobs for various time periods.。
春秋时，楚国修建了芍陂，推动了所在地区农业生产的发展。该水利工程位于（）。 成都平原。 黄河流域。 渭河流域。 淮河流域。
紧急限压阀在制动状态时，通向制动管、作用风缸和（）。 主阀供气阀。 主阀排气口。 主阀供气或排气口。 排气阀口。
After using the alt_disk_install command to clone a system image to another disk, the system administrator noticed a large number of defined devices not allocated to the LPAR. Which of the following is the most likely cause of this situation?（） The cfgmgr command was not run to reconfigure the devices。 The machine was not booted into SMS MultiBoot mode after configuration。 The machine was not in full system partition mode when the volume was created。 The alt_disk_install command was not run with the -O option to remove references in the ODM。
在施工作业中，进行停输封堵作业的条件是（）
