2． Hong Kong is more crowed than _________ in South America．
A．any city
B．any other city
C． other cities
D． the other cities
Previous studies show that parents tend to be aware of sleep problems in older children and adolescents and that pediatric practitioners are ( ) likely to identify sleep problems in these age group.：A、less…lessB、less…moreC、more…lessD、more…more
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关系模式CSZ(CITY,ST,ZIP)其属性组上的函数依赖集为F={(CITY,ST)→ZIP， ZIP→CITY}，关系模式CSZ的主属性是A．ZIPB．CITY,ST,ZIPC．CITY,ZIPD．ST,ZIP
In his composition there are ________errors _______a few misspellings.A: no other ... thanB: some other ... thanC: more ... thanD: other ... than
importjava.awt.*；publicclassXextendsFrame{publicstaticvoidmain（Stringargs）{Xx=newX（）；x.pack（）；x.setVisible（true）；}publicX（）{setLayout（newBordrLayout（））；Panelp=newPanel（）；add（p，BorderLayout.NORTH）；Buttonb=newButton（North”）；p.add（b）：Buttonb=newButton（South”）；add（b1，BorderLayout.SOUTH）：}}Whichtwostatementsaretrue？（）A.Thebuttonslabeled“North”and“South”willhavethesamewidth.B.Thebuttonslabeled“North”and“South”willhavethesameheight.C.Theheightofthebuttonlabeled“North”canveryiftheFrameisresized.D.Theheightofthebuttonlabeled“South”canveryiftheFrameisresized.E.Thewidthofthebuttonlabeled“North”isconstanteveniftheFrameisresized.F.Thewidthofthebuttonlabeled“South”isconstanteveniftheFrameisresized.
关系模式CSZ(CITY，ST，ZIP)其属性组上的函数依赖集为F={(CITY，ST)+ZIP， ZIP→CITY}，关系模式CSZ的主属性是A．ZIPB．CITY，ST，ZIPC．CITY，ZIPD．ST，ZIP
关系模式CSZ(CITY，ST，ZIP)其属性组上的函数依赖集为F＝{(CITY，ST)→ZIP， P→CITY}，关系模式CSZ的主属性是A．ZIPB．CITY，ST，ZIPC．CITY，ZIPD．ST，ZIP
关系模式CSZ(CITY,ST,ZIP）其属性组上的函数依赖集为F={(CITY,ST）→ZIP,ZIP→CITY},关系模式CSZ的主属性是A．ZIPB．CITY,ST,ZIPC．CITY,ZIPD．ST,ZIP
