A. until  B. before  C.unless  D. than

  A. until
  B. before
  C.unless
  D. than


参考解析

解析:

相关考题:

46. A. BeforeB. WhileC. Until D. After

The doctor suggested that Mike _________ in hospital until he was fully recovered. A. stayingB. stayC. stayedD. was staying

It was_____back home after the test. A、not until midnight did he go.B、until midnight that he didn’t go.C、not until midnight that he went.D、until midnight when he didn’t go.

____ the forties ____ the first fully automatic factory was built in the world. A.It was not until ...thenB.It was not until ...thatC.It was until ...thatD.It was not until ...when

how many british colonies were there in australia until 1900?A. 4B. 6C. 7D. 5

I think I’ll wait until the mail _____.A. should comeB. is comingC. comesD. will come

在VBScript语言中,循环语句Do while|Do until的差别是( )。A.While和Until的差别在于,While是在条件表达式为True时,循环才会进行;而 Until则刚好相反B.While和Until的差别在于,Until是在条件表达式为True时,循环才会进行;而 While则刚好相反C.While和Until的差别在于,While多执行循环一次D.While和Until的差别在于,Until多执行循环一次

It was _____ last year ______ he came to realize the importance of learning English.A、until ; beforeB、that ; untilC、until ; thatD、before ; until

下列关于Do Until-Loop型循环的叙述中,正确的是 ______。A.先执行循环体,当Until后的表达式成立时继续循环B.先执行循环体,当Until后的表达式成立时退出循环C.先进行循环条件的判断,当Until后的表达式成立时继续循环D.先进行循环条件的判断,当Until后的表达式成立时停止循环

在rman中,哪些recover database …until语法是正确的? () A. ..until cancelB. ..until timeC. .. until scnD. ..until changeE. ..until sequenceF. 以上都正确

Which option is true regarding the synchronization rule ?() A. Do not use or internally advertise a route until the route is lear ned from a source other than BGP.B. Do not use or advertise a route until the route is learned from a BGP peer.C. Do not use or advertise routes marked PARTIAL.D. Wait until a CONFIRM message is received before using routes from BGP neighbors.

38 A. when B.before C.unless D.until

Which production opened for the first time in 1947?A. AbigailB. The New DreamC. Born to ShineD. Now until Forever

It( )we had stayed together for a couple of weeks( )I found we had a lot in common. A.was until;when B.was until;that C.wasn’t;when D.wasn’t until;that

When you are performing media recover, and an archived log is lost or corrupt, which type of recover must you perform?()A、Until SCNB、Until timeC、Until cancelD、Recover using backup control file.

You have only two redo log groups and these groups get overwritten several times in a day. Your database operates in NOARCHIVELOG mode and user-managed consistent backups are performed every Sunday night. On Thursday morning, you find that an important table has been dropped and purged. With reference to this scenario, up to what point in time can the data be recovered?()A、 until Thursday morningB、 until that point in time when the database is openedC、 until that point in time when the recovery is performedD、 until last Sunday’s backupE、 until that point in time when the table is dropped and purgedF、 until Wednesday evening

下列循环能正常结束循环的是()。A、i=5:Do:i=i+1:Loop Until i<0B、i=1:Doi=i+2:Loop Until i=10C、i=10:Doi=i+1:Loop Until i>10D、i=6:Doi=i-2:Loop Until i=1

以下哪项不是合法的Posix shell循环结构?()A、until do doneB、do until doneC、for do doneD、while do done

In IS-IS, how long will the restart helper keep the restarting router in the up state?()A、until the hello dead timer expiresB、until the restart duration timer expiresC、until the restarting router sets the down bitD、until the restart helper sends out three CSNPs

Your Certkiller .com database is in ARCHIVELOG mode. The data file that belongs to the SYSTEMtablespacehas become corrupted. Up to what point can you recover the database?()A、Until last commitB、Until the time you perform recoveryC、Until the time the date file got corruptedD、Until the point where the last transaction begunE、You cannot recover the SYSTEMtablespaceand must re-create the database.

You need to restore your database back to 9/30/2008 at 18:00. In what order would you run the following commands to compete this task?()   a. restore controlfile until time `09/30/2008:18:00:00’ b. restore database until time `09/30/2008:18:00:00’  c. restore spfile until time `09/30/2008:18:00:00’ d. recover database until time `09/30/2008:18:00:00’ e. alter database open resetlogs f. alter database openA、 b, d, eB、 b, d, fC、 c, a, b, d, eD、 c, a, b, d, fE、 a, b, d, e

Which of the following are valid until command options when attempting point-in-time recovery in RMAN?()A、 until timeB、 until changeC、 until sequenceD、 until SCNE、 until commit

单选题When a refrigeration compressor is in the ‘off’ cycle, the thermal expansion valve will().Aalways be wide open when the compressor restartsBcontinue to operate as if the system were in operationCremain open until evaporator pressure equalizes, then close until the compressor restartsDalways be completely closed until the compressor restarts

单选题It was ______ the chief engineer came ______ we began the experiment.Anot until; that Bnot until; then Cuntil; that Duntil; when

单选题You are performing an incomplete recovery because some important tables have been dropped and purged from the Recycle Bin. Which clause can you NOT use to perform the incomplete recovery by using the RMAN utility?()A UNTIL CANCELB UNTIL SCNC UNTIL SEQUENCED UNTIL TIME

单选题In the absence of external forces,adding weight on one side of a floating vessel causes the vessel to().Aheel until the angle of loll is reachedBlist until the center of buoyancy is aligned vertically with the center of gravityCtrim to the side opposite TCG until all moments are equalDdecrease draft at the center of flotation

单选题Which command will restore all datafiles to the date 9/30/2008 at 18:00 hours? ()Arestore datafiles until time '09/28/2008:21:03:11'Brestore database files until time '09/28/2008:18:00:00'Crestore database until time '09/28/2008:18:00:00'Drecover database until time '09/28/2008:18:00:00'Erecover database until timestamp '09/28/2008:18:00:00'

单选题You have only two redo log groups and these groups get overwritten several times in a day. Your database operates in NOARCHIVELOG mode and user-managed consistent backups are performed every Sunday night. On Thursday morning, you find that an important table has been dropped and purged. With reference to this scenario, up to what point in time can the data be recovered?()A until Thursday morningB until that point in time when the database is openedC until that point in time when the recovery is performedD until last Sunday’s backupE until that point in time when the table is dropped and purgedF until Wednesday evening