A since B if C before D as
A since B if C before D as
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—Your French is so good. How long have you been in France?—??____________I was five.A. Until B. Since C. When D. Before
（50）These processes of particle creation and destruction had been predicted from Dirac’s theory before they were actually discovered in nature, and since then they have been observed millions of times.
Since he had never been in such a situation before, his apprehension was understandable:(). A.eagernessB. fearC.hesitationD.excitement
If your asphalt barge has operated more than 12 months in saltwater in the 24 month period since it was last dry-docked，when is it required to be hauled out again ________．A.12 months since last dry-dockingB.18 months since last dry-dockingC.24 months since last dry-dockingD.36 months since last dry-docking
The following diagram denotes dependency between two activities A and B,It says （ ） A.B can’t start before a is finished B.B can’t finish before a is finisheD. C.B can’t start before a starts D.B can’t finish before a starts
It′ s a long time __________ I saw youlast.--Yes, and what a pity! It will be a longtime __________ we see each other again.A.since; before B.when; sinceC.before; when D.before; since
Her uncle′s health has greatly improved______ he stopped smoking.A.before B.since C.when D.while
The Craighead Caverns have been known________.A.through historyB.since the time of the Indian nationsC.since 1905D.since divers explored them
Which is the MOST important consideration before making a change to a server？（）A、Explore the ramification of the change before implementation.B、Determine the service level agreement in place before implementation.C、Review the equipment disposal procedures and policies before implementation.D、Notify all staff members of the planned system outage before implementation.
Which of the following is the MOST important consideration before making a change to a server?（）A、Explore the ramification of the change before implementation.B、Determine the service level agreement in place before implementation.C、Review the equipment disposal procedures and policies before implementation.D、Notify all staff members of the planned system outage before implementation.
Which of the following procedures should be performed to minimize possible problems for a customer when updating software?（）A、Apply the updates without committing.B、Commit the new updates to be certain there is no change after the next reboot.C、Update one fileset at a time and test to ensure that it works before updating the next fileset.D、No action is necessary since the software can always be uninstalled and re-installed.
An SSA disk that is part of the mirrored volume group needs to be replaced. Which of the following procedures should be performed before the disk is physically able to be replaced?（）A、reducevg, rmdev, syncvg B、rmlvcopy, exportvg, rmdev C、rmlvcopy, reducevg, rmdev D、No action is required since SSA is a Hot Swap device and is mirrored
Which of the following restrictions are not true with respect to tablespace point-in-time recovery？（）A、 The target database must be in NOARCHIVELOG mode.B、 No backup is required of the database before you perform a TSPITR.C、 You must have all archived redo logs generated since the last backup up to the point to which you want to restore the transport set.D、 If you rename a tablespace， you can not perform a TSPITR to any point in time before that rename operation occurred.E、 If you have tables in tablespace_1 that have associated constraints in tablespace_2，then you must transport both tablespaces.
单选题Which of the following is the MOST important consideration before making a change to a server？（）A Explore the ramification of the change before implementation.B Determine the service level agreement in place before implementation.C Review the equipment disposal procedures and policies before implementation.D Notify all staff members of the planned system outage before implementation.
单选题If your asphalt barge has operated more than 12 months in saltwater in the 24 month period since it was last dry-docked，when is it required to be hauled out again? （）A12 months since last dry-dockingB18 months since last dry-dockingC24 months since last dry-dockingD36 months since last dry-docking
单选题Hannah finished building her new all-purpose projects room last year, and she has been working in the room ever since.Aand she has been working in the room ever sinceBand since that time she has worked thereCwhere always since she worksDshe has been working in that room ever sinceEand since then is working there
单选题An SSA disk that is part of the mirrored volume group needs to be replaced. Which of the following procedures should be performed before the disk is physically able to be replaced?（）Areducevg, rmdev, syncvg Brmlvcopy, exportvg, rmdev Crmlvcopy, reducevg, rmdev DNo action is required since SSA is a Hot Swap device and is mirrored
单选题Which of the following procedures should be performed to minimize possible problems for a customer when updating software?（）AApply the updates without committing.BCommit the new updates to be certain there is no change after the next reboot.CUpdate one fileset at a time and test to ensure that it works before updating the next fileset.DNo action is necessary since the software can always be uninstalled and re-installed.
单选题When starting CPR on a drowning victim，you should（）.Astart chest compressions before the victim is removed from the waterBdrain water from the lungs before ventilatingCbegin mouth-to-mouth ventilations as soon as possibleDdo not tilt the head back since it may cause vomiting
多选题Which of the following restrictions are not true with respect to tablespace point-in-time recovery？（）AThe target database must be in NOARCHIVELOG mode.BNo backup is required of the database before you perform a TSPITR.CYou must have all archived redo logs generated since the last backup up to the point to which you want to restore the transport set.DIf you rename a tablespace， you can not perform a TSPITR to any point in time before that rename operation occurred.EIf you have tables in tablespace_1 that have associated constraints in tablespace_2，then you must transport both tablespaces.
单选题Mother insisted that______.Athey are to be back before nine in the eveningBthey ought to be back before nine in the eveningCthey be back before nine in the eveningDthey had to be back before nine in the evening