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For days, smog persisted in many areas. China is()to control air pollution.
A. take measures
B. doing business
C. taking measures
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更多 “ For days, smog persisted in many areas. China is()to control air pollution.A. take measuresB. doing businessC. taking measures ” 相关考题
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It is easy to ____ a machine ____ but difficult to put it together.
A、tear…apartB、take …awayC、take …apartD、bring…away
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Flash中怎样允许帧actions生效?A. 选择 Control >Loop PlaybackB. 选择 Control >Play All ScenesC. 选择 Control >Mute SoundsD. 选择 Control >Enable Frame. Actions
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Vingo showed the young people the pictures of his family which were _____ snapshots.A. many-handlingB. much-handlingC. many-handledD. much-handled
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I need ( ) cloth, for I'm going to make ( ) clothes.
A、many/ manyB、many/ a lot o{C、a lot of/ manyD、much/ much
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Youhaveissuedthefollowingcommand:RMANCONFIGURERETENTIONPOLICYTORECOVERYWINDOWOF100DAYS;Whatwillbetheresultofusingtheabovecommand?()
A.Thebackupmetadatawillbemaintainedinthecontrolfilefor100days.B.Thebackupmetadatawillbemaintainedintherecoverycatalogfor100days.C.Thebackupmetadatawillbemaintainedintheflashrecoveryareafor100days.D.After100days，thebackupsetsandimagecopieswillbedeletedfromthemedia.
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Intheparameterfileofyourproductiondatabase,theCONTROL_FILE_RECORD_KEEP_TIMEparameterissetto31.WhatwouldbetheimpactofthissettingonthebackupthatisbeingperformedbyusingRecoveryManager(RMAN)?()
A.Thebackupwouldberetainedonthemediafor31days.B.Thebackupwouldbemaintainedintherecoverycatalogfor31days.C.Thebackupmetadatawouldberetainedinthecontrolfilefor31days.D.Thebackupmetadatawouldbemaintainedintherecoverycatalogfor31days.E.Automaticbackupsofthecontrolfilewillberetainedintheflashrecoveryareafor31days.
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AfterrunningtheCONFIGURERETENTIONPOLICYTORECOVERYWINDOWOF7DAYScommand,whathasbeenaccomplished?()
A.Retainthedatafilebackupfor7days.B.Runtherecoverprocessevery7days.C.Destroythephysicalbackupfilesevery7days.D.Destroythephysicalbackupfilesolderthan7days.E.Retainonebackupofeachdatafileforatleast7days.F.Keepthecataloginformationinthecontrolfilefor7days.
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Examine the following options, Multicasting supports applications that communicate.()
A. many - to - oneB. one - to - oneC. one - to - manyD. many - to - many
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Which of the following is a blending word？ A.lengthen
B.nylon
C.edit
D.smog
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