PULLTHESTRINGSAROUNDYOURWAISTANDTIEINFRONT.Thisdescriptionislikelyusedin().
A. firefightingoperations
B. salvageoperations
C. cargooperations
D. manoeuveringoperations
Stretchersarefittedinlifeboatstoprovidea().
A. placeforpeopletoliedown
B. meansforriggingthesail
C. placeforrowerstobracetheirfeet
D. suitablemeansforwatertodrainbelowthefootings
市场准入中,登记机关的代码是几位的?()
A. 5
B. 6
C. 7
D. 8
以下哪个系统版本不能直接升级到windows旗舰版()。
A. XP
B. VistaHome
C. VistaEnterprise
D. VistaBusiness