You work as a database administrator for Supportcenter.cn. You want to create your database with the automatic undo management feature enable.Which two tasks must you perform to achieve this？（）
某用户的E-mail地址为you87@online.sh.cn，则该用户的用户名为（）。
Your boss at Supportcenter.cn wants you to clarify Oracle 10g. Which condition in your database forces you to perform only consistent backups？（）
You work as a database administrator for Supportcenter.cn. You are using Recovery Manager （RMAN） to perform backups in your databases. Which four backup operations can be performed using RMAN？（）
You work as a database administrator for Supportcenter.cn. Your database is in NOARCHIVELOG mode and you want to perform a backup. Which type of backup would be appropriate in this case？（）
You work as a database administrator for Supportcenter.cn. You enabled tracing while creating a listener to your database. What additional information is available to you when you enable tracing？（）
You work as a database administrator for Supportcenter.cn. Your database is opened inNOARCHIVEKLOG mode. You decide to place the database in ARCHIVELOG mode. How would you do this？（）
—Cn I help you re you looking fornything in prticulr tody －－－_________We’re just looking.
You cn ______ your muscles more powerfully by linking up your brething to the exercise.You cn ______ your muscles more powerfully by linking up your brething to the exercise.condense B．compress C．contrct D．shrink
I rellypprecite_____ to help me, but Im sure tht I cn mnge by myself.you to offerB．yourI rellypprecite_____ to help me, but Im sure tht I cn mnge by myself.you to offer B．your offering C．it to offer D．it offering
— How cn I get more informtionbout their compny —You cn visit their _____t www.sdfg.com.— How cn I get more informtionbout their compny —You cn visit their _____t www.sdfg.com.shop B．compny C．website D．orgniztion
You cn hve much more time for yourself if you hve cr.True.B．Flse.You cn hve much more time for yourself if you hve cr.True. B．Flse.
— Excuse me, but cn you tell me which rod tkes me to the post office —______of the fou— E
Excuse me, but cn you tell me _____ where cn I get to the librryB．where I cn get to the librrExcuse me, but cn you tell me _____ where cn I get to the librry B．where I cn get to the librry C．how cn I get to the librry D．how I cn get to the librry
The following wys cn help you improve helth EXCEPT______.doing strength trining withThe following wys cn help you improve helth EXCEPT______.doing strength trining with weights B．eting better food C．doing exercise D．enjoying rtionl diet
–Could you give me somedvice on how to look children –Why not wtch Wherere you going, Dd You–Could you give me somedvice on how to look children –Why not wtch Wherere you going, Dd You cn lern lot from it.for B．fter C．t D．through
W: Would you do me fvor M:________I would.B．With plesure.C．I don’t know if I cn.D．W: Would you do me fvor M:________I would. B．With plesure. C．I don’t know if I cn. D．Wht is the fvor
—I’mfrid tht I cn’t do it.—Oh, you should believe in yourself. You won’t know wht you cn do__—I’mfrid tht I cn’t do it. —Oh, you should believe in yourself. You won’t know wht you cn do______ you try it.if B．becuse C．until D．while
听力原文：M: Slly sid she couldn’t her word. Cn you turn up the volume F: Sorry, but听力原文：M: Slly sid she couldn’t her word. Cn you turn up the volume F: Sorry, but I Cn’t. This is the loudest volume I cn do with this recorder. Wht is wrong with the recorder The voice is too wek. B．The sound is too loud. C．The volume is out of order.
You cn’t borrow books from the school librry ______ you get your student crd.beforeB．ifC．whileYou cn’t borrow books from the school librry ______ you get your student crd.before B．if C．while D．s
–Cn I use your pen –__________.Excuse me. I cn’tB．Excuse me. You cn’tC．Sorry. I don’t hve one
— My I prk my cr here, Sir —_________. You my prk it over there.Yes, you myB．Yes, you cn
Cn you tell me in the future how life will be likeB．how will life be likeC．wht life will be like
