女性，20岁，因十二指肠溃疡所致幽门梗阻引起。反复呕吐15天人院，测得血钾值为3mmol／L，动脉血pH7.5，首选补液种类应为

A．ThetotalCPUusageforthisdrive

B．Thebandwidthutilizationoftheindicateddrive

C．Itcanbestberepresentedbytheequation（%iowait-%ioidle）

D．Itcanbestberepresentedbytheequation（kilobytesread/kilobyteswritten）*100

A．TheamountoftimetakentoserviceanI/Ointerrupt

B．ThepercentageoftimeCPU（s）arewaitingforpageins

C．ThepercentageoftimetheCPU9（s）arewaitingonnetwork

D．ThepercentageoftimetheCPU（s）arewaitingforoutstandingdiskI/Orequests

A.Messages

B.Software

C.Hardware

D.Unknown

A./etc/rc.net

B./etc/rc.boot

C./etc/rc.local

D./etc/rc.tcpip

A.Editthe/etc/inittabandcommentouttheentrythatstartstheapplicationbyplacingaatthebeginningoftheline.

B.Usethechitabcommand.

C.Usethermitabcommand.

D.Editthe/etc/rebootfiletoremovetheentrythatstartstheapplication.

ging space was located on hdisk2, but the disk was removed from the system without proper software procedures. Which of the following commands should be used as the first step in the process of recovery?（）

A.mkps paging00 hdisk0

B.chpv -v r hdisk2

C.chps -a n paging00

D.reducevg rootvg hdisk2

A.netpmon

B.netstat

C.nfsstat

D.vmstat

A.rc

B.init

C.rc.boot

D.rc.init

A.no

B.chdev

C.vmtune

D.schedtune

A./var/adm/acct/sum

B./var/adm/ras

C./usr/sbin/acct

D./var/adm/wtmp