Tipsforbeingasuper-organizedstudentIhavealwaysadmiredstudentswhohandtheirhomeworkinontimeandneverforgettodoit.Me,ontheotherhand,...OK,Iadmit.I'mterribleatgettingmyselforganised!ButlatelyI'vestartedkeepingasmallstudydiary.IwritedowneverythingIneedtodoandwhenitneedstobedoneby.ThenIwriteareminderafewdaysbeforethedatejustincase.It'shelping.SoIwaswondering,whatareyourtipsforgettingorganised?Postacommentbelow.I'mhopingwecanallsharesometipstoteachusallbetterstudyskills.CommentsHanaGoodquestion,Amy.Ialwaysspendaboutfiveminutesattheendofthedaytidyingupthedesktoponmycomputer.Imakeabackupofimportantdocuments.IdeletethingsIdon'tneedanymoreandputeverythingintothecorrectfolder.AmyNicetip,Hana.Ithinkit'sagoodideatodoalittlebitoftidyingupeveryday.Thenitbecomesahabitandyourdesktopisalwaysorganised.GloriaThemostimportantthingistostartstudyingafew；weeksbeforetheexamsandnotleaveituntilthenightbefore!That'sjustcommonsense,Ithink.AmyThanks,Gloria!Iagree.LouHi,Amy.Mytipistohaveabignoticeboardinyourbedroom,dividedintodifferentsections.I'vegotone.It'sawhiteboard.I'vegotasectionforeachschoolsubjectandanotheroneforotherstuff.IuseboardpenstowriteremindersandImakesureIlookatiteveryday.ThebestpartiswhenIremovesomethingfromtheboard!AmyGreattip,Lou.I'vegotacorkboardwithpins.Iuseitinthesameway.Question4AmythinksHana’stipisgood.

Tipsforbeingasuper-organizedstudentIhavealwaysadmiredstudentswhohandtheirhomeworkinontimeandneverforgettodoit.Me,ontheotherhand,...OK,Iadmit.I'mterribleatgettingmyselforganised!ButlatelyI'vestartedkeepingasmallstudydiary.IwritedowneverythingIneedtodoandwhenitneedstobedoneby.ThenIwriteareminderafewdaysbeforethedatejustincase.It'shelping.SoIwaswondering,whatareyourtipsforgettingorganised?Postacommentbelow.I'mhopingwecanallsharesometipstoteachusallbetterstudyskills.CommentsHanaGoodquestion,Amy.Ialwaysspendaboutfiveminutesattheendofthedaytidyingupthedesktoponmycomputer.Imakeabackupofimportantdocuments.IdeletethingsIdon'tneedanymoreandputeverythingintothecorrectfolder.AmyNicetip,Hana.Ithinkit'sagoodideatodoalittlebitoftidyingupeveryday.Thenitbecomesahabitandyourdesktopisalwaysorganised.GloriaThemostimportantthingistostartstudyingafew；weeksbeforetheexamsandnotleaveituntilthenightbefore!That'sjustcommonsense,Ithink.AmyThanks,Gloria!Iagree.LouHi,Amy.Mytipistohaveabignoticeboardinyourbedroom,dividedintodifferentsections.I'vegotone.It'sawhiteboard.I'vegotasectionforeachschoolsubjectandanotheroneforotherstuff.IuseboardpenstowriteremindersandImakesureIlookatiteveryday.ThebestpartiswhenIremovesomethingfromtheboard!AmyGreattip,Lou.I'vegotacorkboardwithpins.Iuseitinthesameway.Question5Gloriathinksthedateyoustartstudyingisimportant.

Tipsforbeingasuper-organizedstudentIhavealwaysadmiredstudentswhohandtheirhomeworkinontimeandneverforgettodoit.Me,ontheotherhand,...OK,Iadmit.I'mterribleatgettingmyselforganised!ButlatelyI'vestartedkeepingasmallstudydiary.IwritedowneverythingIneedtodoandwhenitneedstobedoneby.ThenIwriteareminderafewdaysbeforethedatejustincase.It'shelping.SoIwaswondering,whatareyourtipsforgettingorganised?Postacommentbelow.I'mhopingwecanallsharesometipstoteachusallbetterstudyskills.CommentsHanaGoodquestion,Amy.Ialwaysspendaboutfiveminutesattheendofthedaytidyingupthedesktoponmycomputer.Imakeabackupofimportantdocuments.IdeletethingsIdon'tneedanymoreandputeverythingintothecorrectfolder.AmyNicetip,Hana.Ithinkit'sagoodideatodoalittlebitoftidyingupeveryday.Thenitbecomesahabitandyourdesktopisalwaysorganised.GloriaThemostimportantthingistostartstudyingafew；weeksbeforetheexamsandnotleaveituntilthenightbefore!That'sjustcommonsense,Ithink.AmyThanks,Gloria!Iagree.LouHi,Amy.Mytipistohaveabignoticeboardinyourbedroom,dividedintodifferentsections.I'vegotone.It'sawhiteboard.I'vegotasectionforeachschoolsubjectandanotheroneforotherstuff.IuseboardpenstowriteremindersandImakesureIlookatiteveryday.ThebestpartiswhenIremovesomethingfromtheboard!AmyGreattip,Lou.I'vegotacorkboardwithpins.Iuseitinthesameway.Question6Louthinksthebestthingabouthavinganoticeboardisusingboardpens.

Whatistheman’strouble?

基于这样的三个表即学生表S、课程表C和学生选课表SC，它们的结构如下：S(S#，SN，SEX，AGE，DEPT)C(C#，CN)SC(S#，C#，GRADE)其中：S#为学号，SN为姓名，SEX为性别，AGE为年龄，DEPT为系别，C#为课程号，CN为课程名，GRADE为成绩。检索选修４门以上课程的学生总成绩（不统计不及格的课程），并要求按总成绩的降序排列出来。正确的SELECT语句是（）。A．SELECTS#，SUM(GRADE)FROMSC　　WHEREGRADE>=60　　　GROUPBYS#　　　ORDERBY2DESC　　　HAVINGCOUNT(*)>=4B．SELECTS#，SUM(GRADE)　　FROMSC　　WHEREGRADE>=60　　GROUPBYS#　　HAVINGCOUNT(*)>=4　　ORDERBY2DESCC．SELECTS#，SUM(GRADE)　　FROMSC　　WHEREGRADE>=60　　HAVINGCOUNT(*)>=４　　GROUPBYS#　　ORDERBY2DESCD．SELECTS#，SUM(GRADE)　　FROMSC　　WHEREGRADE>=60　　ORDERBY2DESC　　GROUPBYS#HAVINGCOUNT(*)>=4

国际会计的定义是

1959年11月20日第14届联合国大会通过了联合国历史本的第一个关于儿童权利的国际性条约--（）

幼儿记忆内容的发展，大体可以分为4个阶段，最先出现的是（）

3—4岁的幼儿认为，球会滚下去，是因为“它不愿意呆在椅子上”，这反映儿童的判断()

胚胎发育的三个阶段（）

Hecan'tfindhisumbrella.Hemusthave_________itonthebus.

AttachmentParentsisnotClingyParenting.Idonotclingtomychildren.Infact,I'mprettyfree-range.Assoonastheycanmovetheyusuallymoveawayfrommeandletmesetupachaseastheycrawl,run,skipandhopontheirmerrywaytoexploretheworld.Sure,Icarrythemandhugthemandchasethemandkissthemandrockthanandsleepwiththem.Butthisisnotmefollowingthemeverywhereandpullingthembacktome.Thisismebeingahomebase.The"attachment"comesfromtheirbeingallowedtoattachtous,notfromusattachingtothanlikeparentalleeches.AttachmentParentingisnotSelfishParenting.Itisalsonotselflessparenting.Wearenotdoingitforus,andwearenotdoingittotormentourselves.50.Whatdoes"free-range”meanaccordingtothepassage?

下列滴定(浓度均为0.1 mol/L)中可行的是（）已知pKa(HA) = 4.85, pKa(HB) = 9.3, pKb(MOH) = 8.70, pKb(ROH) = 3.80 

用0.1mol/LHCl滴定0.1mol/LNaOH的突跃范围为9.7~4.3,则0.01mol/LHCl滴定0.01mol/LNaOH的突跃范围应为()

计算0.010mol/LNaAc溶液的pH（）（已知HAc的pKa=4.74）