考题
You’d better have a rest. Let us do it, ________ you?
A.doB.don’tC.willD.will not
考题
Tom: You are playing guitar well. Can you read music? Charles: No, I don't. I just listen to songs on the radio and then play them until they sound right. Tom: ______ Charles: No, really.A．You're lyingB．You're cheatingC．You are boastingD．You're kidding
考题
Does modern logistics mean transportation and delivery?()Modern logistics is more about effective and efficient flow of materials and information.A、 Yes, you’re rightB、 No, it’s not the whole storyC、 No, you' re wrong
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You’re such a hardworking student, you()the praise.
A、reserveB、deserveC、conserveD、preserve
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You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE;The next day, you issue the following command:BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE;Which statement about the use of the change tracking file is true?（）A. RMAN reads the block change tracking file only when it performs the incremental level 0 backup.B. RMAN reads the block change tracking file when it performs both incremental backups.C. RMAN reads the block change tracking file only when it performs the incremental level 1 backup.D. RMAN does not read the block change tracking file when it performs either incremental backup.
考题
YouareusingtheBlockMediaRecoveryfeaturetorecovertheblocksthataremarkedcorruptsincethelastbackup.Whichviewwillyouquerytodisplayinformationaboutthedatablocksthataremarkedcorruptsincethelastbackup?()
A.V$BACKUP_CORRUPTIONB.V$COPY_CORRUPTIONC.V$DATABASE_BLOCK_CORRUPTIOND.RC_BACKUP_CORRUPTION
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– David, you've been losing your temper over nothing lately.– ( ).A. I haven’t been getting much sleep eitherB. You’d better not push yourself too hard, or you’ll get sickC. I’m sorry. I shouldn’t have blown up like thatD. You’d better do exercises regularly
考题
You've misspelled this word again.You'd better look it up ()
此题为判断题(对，错)。
考题
Me,you是两个初始集合，则下列关于派生集合定义方式正确的是A．link/me,you/:a;B．link(me,you):a;C．link/me you/a;D．link(me,you)/a;
考题
你最好控制一下上网聊天的时间。（汉译英）A．You'd better set a limit for your online chat time.B．You'd better set a limit on your online chat time.C．You'd better set a limit on your online chatting time.D．You'd better set a limit for your online chatting time.