李某，男性，呕吐、反应迟钝、乏力、腹胀、脉速、心律不齐，心电图示T波低平，出现u波，应首先考虑（） 等渗性脱水。 高钾血症。 低钾血症。 低钙血症。 代谢性酸中毒。
Which of the following commands will show how many physical partitions are available on active hdisk1?（） lspv hdisk1。 lsvg -p hdisk1。 lsattr -p hdisk1。 lsdev -E -l hdisk1。
Companycom is migrating their application that was built on AIX 4.3, to a new p5 590 system that is running AIX 5.3. The application was a 32-bit program. What will need to be done with the application to allow it to run on the new system?（） Run without recompiling on AIX 5.3。 Relink to the 32-bit kernel in order to run the application。 Recompile to run on AIX 5.3 because the libraries are in different locations。 Recompile 32-bit applications because the compiler flags and versions have changed。
Which of the following resources are created in the WebSphere Application Server configuration when a WebSphere Commerce V5.6 instance is created？（） DataSource。 Virtual Hosts。 Server Group。 The selected JDBC Driver。 Remote Servlet Redirector。
液化石油气主要来源于（）。 炼油厂石油气。 油田伴生气。 煤气发生炉。 高炉煤气。
在买卖双方进行电子交易过程中扮演确认双方身份角色的是（）
