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简介：对于《HavingBreakfast》这节课我将从四个方面展开,重点是如何利用信息技术整合教学资源,使学生掌握本节课的重难点。一、教学目标知识目标：学习辅音【θ】＆【e】的发音规则,了解早餐对孩子的重要性,掌握早餐情境实用口语句子。

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简介：WhenthesundispersesitsbrilliantraysoverthePotalaPalaceonaniceday,thewholecityofLhasatakesonanairofwarmthandharmony.IntheirancientTibetanrobesidlyturningtheirManiwheels,elderlypeopleeithergoforawalkontheBarkorStreetorhavearestatasweetteashop.Touristscominginfromallovertheworldoftenliketo

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简介：曾经在和一位外国朋友聊天的过程中，我问他是否第一次来北京，他是这样回答我的：IhavebeencomingtoBeijingforfourteenyears.看完这句话，相信大多数读者第一反映是：“我来北京有十四年了”，也就是说14年来，他一直长期生活在北京。——但实际，我的这位朋友他并不生活在北京。

简介：Inthispaper,weestablishanewtypeofalternationtheoryformoregeneralrestrictedrangesChebyshevapproximationwithequalities.Theuniquenessandstronguniquenesstheoremsaregiven.Applyingtheresults,weobtainthealternationtheoremanduniquenesstheoremforbestcoposiliveapproximation.

简介：让G没有固定的点在的一个集合上的一个排列组，和m是一个积极整数。然后，G的运动被定义为行动(G)：=supG{|Gg\G|g？G}行动(G)：=\mathop{\sup}\limits_\Gamma\left\{{\left|{\Gamma^g\backslash\Gamma}\right|\left|{g\inG}\right}\right\}。它被Praeger显示出如果行动(G)=m那时|3m+t1，在t是G轨道在上的数字的地方。在这份报纸，有有最大值的度3m+t1的所有不及物的排列组跳了被分类。确实，她问题的一个积极答案是否上面的界限|=3m+t1为|为每t是锋利的>1被给。

简介：没有孩子的女人就不是完整的女人吗？其实当妈妈与其说是血缘上的延续，不如说是一种心态；与其说是养儿育女，不如说是奉献母爱。

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简介：Apoly(tert-butylmethacrylate)(PBMA)macromonomerwassynthesizedbyanionicpolymerizationwithbis(2,6-di-t-butylphenoxy)methylaluminum[MeAl(ODBP)2]astheinitiatorandtrimethylsilylmethacrylate(TMSMA)astheendcappingagentindryTHF.Then,apoly(methacrylicacid)(PMAA)macromonomerwasobtainedbymeansofhydrolysisreactionfromthePBMAmacromonomerinthepresenceofhydrochloricacid.ThestructuresofthePBMAmacromonomerwerecharacterizedbyusing1HNMR.ItwasfoundthattheresultedPBMAmacromonomerhashighlyisotacticpropertiesandthePMAAmacromonomerhasanendvinylgrouponperpolymerchain.Themonodispersepolymericmicrospheres,whichconsistedofpolystyrenecoresandPMAAbranchesontheirsurfaces,werepreparedbythedispersioncopolymerizationofstyrenewiththePMAAmacromonomerinanethanol/watermixedsolvent.ItwasfoundthattheconcentrationofthePMAAmacromonomerwouldaffectthemicrosphereformation,themorphologyanditssizeinthecopolymerizationsystem.

简介：Wetransformthesingularintegralequationswithsolutionssimultaneouslyhavingsingularitiesofhigherorderatinfinitepointandatseveralfinitepointsontherealaxisintoonesalongaclosedcontourwithsolutionshavingsingularitiesofhigherorder,andfortheformerobtaintheextendedNeothertheoremofcompleteequationaswellasthesolutionsandthesolvableconditionsofcharacteristicequationfromthelatter.Theconclusionsdrawnbythisarticlecontainspecialcasesdiscussedbefore.

简介：Variouscosmologymodels,braneoscillationscenarios,interactionofinterstellarplasmawithintenseelectromagneticradiation,andevenhigh-energyphysicsexperiments(e.g.,LargeHadronCollider(LHC))allpredicthighfrequencygravitationalwaves(HFGWs,i.e.,high-energygravitons)inthemicrowavebandandhigherfrequencyregion,andsomeofthemhavelargeenergydensities.Electromagnetic(EM)detectiontosuchHFGWswouldbesuitableduetoveryhighfrequenciesandlargeenergydensitiesoftheHFGWs.WereviewseveraltypicalEMdetectionschemes,i.e.,inverseGertsenshteineffect(G-effect),couplingoftheinverseGeffectwithacoherentEMwave,couplingofplanarsuperconductingopencavitywithastaticmagneticfield,cylindricalsuperconductingclosedcavity,andtheEMsychro-resonancesystem,anddiscussrelatedminimaldetectableamplitudesandsensitivities.Furthermore,wegivesomenewideasandimprovementwaysenhancingthepossibilityofmeasuringtheHFGWs.ItisshownthatthereisstillalargeroomforimprovementforthoseschemestoapproachandevenreachuptherequirementofdetectionofHFGWsexpectedbythecosmologicalmodelsandhigh-energyastrophysicalprocess.

简介：AIMToevaluatewhetherindividualswithgastriccancer（GC）arediagnosedearlieriftheyhavefirstdegreerelativeswithGC.METHODS：Atotalof4282patientsdiagnosedwithGCatNationalCancerCenterHospitalfrom2002to2012wereenrolledinthisretrospectivestudy.Weclassifiedthepatientsaccordingtopresenceorabsenceoffirst-degreefamilyhistoryofGCandcomparedageatdiagnosisandclinicopathologiccharacteristics.Inaddition,wefurtherclassifiedpatientsaccordingtospecificfamilymemberwithGC（father,mother,sibling,oroffspring）andcomparedageatGCdiagnosisamongthesepatientgroups.Baselinecharacteristicswereobtainedfromaprospectivelycollecteddatabase.Informationaboutthefamilymember＇sageatGCdiagnosiswasobtainedbyquestionnaire.RESULTS：Atotalof924patients（21.6%）hadafirstdegreefamilyhistoryofGC.ThemeanageatGCdiagnosisinpatientshavingpaternalhistoryofGCwas54.4±10.4yearsandwassignificantlyyoungerthaninthosewithoutafirst-degreefamilyhistory（58.1±12.0years,P〈0.001）.However,thisfindingwasnotobservedinpatientswhohadanaffectedmother（57.2±10.0years）orsibling（62.2±9.8years）.Amongpatientswithfamilymemberhavingearly-onsetGC（〈50yearsold）,meanageatdiagnosiswas47.7±10.3yearsforthosewithanaffectedfather,48.6±10.4yearsforthosewithanaffectedmother,and57.4±11.5yearsforthosewithanaffectedsibling.Thus,patientswithaparentdiagnosedbefore50yearsofagedevelopedGC10.4or9.5yearsearlierthanindividualswithoutafamilyhistoryofGC（bothP〈0.001）CONCLUSION：Early-onsetGCbeforeageof50wasassociatedwithparentalhistoryofearly-onsetofGC.Individualhavingsuchfamilyhistoryneedtostartscreeningearlier.

简介：Theflowaroundtwoplateshavingasymmetricbeveledtrailingedgeplacedside-by-sideinauniformstreamwereinvestigatedbothnumericallyandexperimentally.Twoplateswithspacingratioof1.0andbeveledtrailingedgeofangle20oweretestedatReynoldsnumbersequalto3.97×104.Thenumericalsimulationresultsdisplayedthattheflowseparatesononeplatebeveledtrailingedgesurface.Thevortexformationandsheddingfromthisplateledtodeflectingtheflowtowardtheotherplateandconsequentlythewakebehindtheplatesshowedanasymmetricdevelopment.Thephotographsobtainedfromtheflowvisualizationconfirmedthenumericalresultsconcerningtheflowseparationandvortexformation.Itwasalsofoundthatthecomputedpressuredistributiononthetwoplatesurfaceswasdifferent,particularlyonthebeveledtrailingedgesurfacesandontheflatsides.

简介：Monodispersecrosslinkedpoly(chloromethylstyrene-co-divinylbenzene)(poly(CMSt-co-DVB))microsphereswerepreparedbydistillation-precipitationcopolymerizationofchloromethylstyrene(CMSt)anddivinylbenzene(DVB)inneatacetonitrile.Thepolymerparticleshadcleansurfacesduetotheabsenceofanyaddedstabilizer.Thesizeoftheparticlesrangesfrom2.59μmto3.19μmandwithmono-dispersityaround1.002-1.014.Theeffectsofmonomerfeedincopolymerizationonthemicrosphereformationweredescribed.ThepolymermicrosphereswerecharacterizedbySEMandchlorinityelementalanalysis.

简介：一、教学内容与学生水平NewWelcometoEnglish4BChapter3单元话题是Havingfun,涉及的活动都是学生平时见过或做过的,比较贴近学生的生活。本节课是单元复习课,不仅要复习本单元的重点单词和交际用语,同时还要复习以前学过的涉及活动的词组以及"likedoing..."等

简介：Asacontinuationof[1],theauthorstudiesthelimitcyclebifurcationaroundthefocusS1otherthanO(0,0)forthesystem(1)asδvaries.Aconjectureonthenon-existenceoflimitcyclesaroundS1,andanotheroneonthenon-coexistenceoflimitcycleswoundbothOandS1aregiven,togetherwithsomenumericalexamples.