无须办理动火证的作业是（）。 登高焊、割作业。 密闭容器内动火作业。 现场食堂用火作业。 比较密封的地下室动火作业。
An administrator is ordering a new Power 550. They will mirror rootvg and are concerned about single points of failure. Which of the following features should be ordered？（） Dual I/O planar， dual disk drives， dual SCSI adapters。 Dual disk drive enclosures， dual disk drives， extra media bay。 Dual disk drive enclosures， dual disk drives and dual SCSI adapters。 Dual I/O planar， extra media bay， dual disk drive。
An administrator needs to be able to list the number and size of backup sets on a tape. Which of the following procedures accomplish this（） Use the tcopy /dev/rmtO.l until an end-of-tape error notification is received.。 Use the cpio -idmv < /dev/rmtO.l until an end-of-tape error notification is received.。 Use the tar -tvf /dev/rmtO.l repeatedly until an end-of-tape error notification is received.。 Use the dd if=/dev/rmt0.1 bs=128k count=EOT until an end-of-tape error notification is received.。
女性，体重5Okg，等渗性脱水伴低钾血症，BP12/9.4kPa（90/70mmHg），CVP5cmH20，尿量18ml/h，拟静脉输液并补充钾盐，下列哪项恰当（） 缓慢滴人0.3％氯化钾。 先静脉推注少量10％氯化钾，再快速输液。 先快速输液，待尿量增加后，再滴人0.3％氯化钾。 加速输液暂不补钾。 将氯化钾加人右旋糖配滴注。
A client’s CIO validates that IBM proposed virtualization/consolidation solution addresses their key pain points. However， the CFO is more concerned with risk mitigation as a result of the new economic environment and has delayed the deal indefinitely. Which of the following strategies is the best way to address this situation？（） Modify the deployment schedule of the solution over an extended period of time to reduce the initial cash outlay.。 Gain the CFO’s agreement to revisit the solution next quarter and follow-up with an aggressively priced solution.。 Present financing options to the CFO showing how to implement the solution while minimizing the monthly cash outlay.。 Meet with the CFO to demonstrate the financial impact of the solution to reduce operational expenses and TCO。
煤产汽成本低于渣油、瓦斯，比较而言宜采用煤产汽；煤产汽宜选用（）的CFB锅炉，可考虑采用IGCC工艺实现蒸汽和氢气联产。
