高中词汇系列课件（三十二）

动词高中英语词汇系列高中英语词汇系列preventpreventLearningObjectivesLearnthemeaningsandcollocationsof“prevent”;Learnotherformsof“prevent”;PutwhatIhavelearnedintopractice.123Afterthislesson,Iwillbeableto:Meeting“prevent”LeadinWheneverIfeelsad,Iwillwatchthisvideotopreventdepression.1.WhydoIlikewatchingthisvideo?2.Arethereanyotherexpressionsthatcanreplace"prevent"?3.Whatdoes"prevent"mean?WheneverIfeelsad,Iwillwatchthisvideotopreventdepression.4.Itmeans“keepsomethingfromhappening”.prevent[prɪˈvent]v.预防WheneverIfeelsad,Iwillwatchthisvideotopreventdepression.Let’sstudyDoyouwanttoknow“prevent”better?Meanings1.Yet,eventoday,westillhavefirebuffswhoseemtoappearateveryfireinanarea.Sometimestheypreventfiremenfromdoingtheirjobs.1).Dofiremenwantfirebuffstoappearonthespot?Why?2).Arethereanyexpressionsthatcanreplace“prevent...from...”here?3).CanyouexplainthewordinEnglish?ItmeansinterposeoractasahindranceMeanings2.Everypossiblemeanshasbeenusedtopreventtheairpollution,buttheskyisstillnotclear.1).Whatarethepossiblemeansusedfor?2).Arethemeansusefulforstoppingairpollution?3).CanyouexplainthewordinEnglish?ItmeansstopsomethingfromhappeningOtherformspreventableaccidents/injuriespreventableprevention1.What’sthepartofspeechof“preventable”?2.Canyouguessthemeaningsof“preventable”?Asfarashealthisconcerned,itisoftensaidthatpreventionisbetterthancure.1.What’sthepartofspeechof“prevention”?2.Canyouguessthemeaningsof“prevention”?PracticingLet'simitate.MayIpreventyoufromaskingafavor?Let'simitate.He'sagreedtohelpuspreventthisattack.Let'simitate.topreventyourhousebeingsoldfromunderyourfeet.LetterTilesPleaseunscramblethetilestorevealaphrase.prevent...from...MemorizingMakeawordwebof“prevent”.formsdefinitions(verb)collocationssynonymspreventpreventablepreventionprevent…from…1.stopsomethingfromhappening2.interposeoractasahindrancestopforbidhinderFrayerModelDefinitions(inyourownwords)orsynonymsCharateristics:(verb)1.regularorirregular:2.transitiveorintransitive:3.otherforms:Examples(verb)

CollocationspreventPleasefinishthisdiagrambasedonthewordweb.RecallingandusingLet’susetheproperformofpreventtofillintheblanks.1.We’relookingatthebenefitsofsystemswhichcontroltheirspeedasawayof___________(prevent)that.（2017全国Ⅱ）2.Itfurtherrequiresthatwhenopinionsarefromtheopposite,thedoctordoesn’toverreact,whichmightpreventfellowdoctors_______voicingopinionsagain.（2013全国Ⅱ)preventingfrom3.Yourskinactsasabarrieragainstdiseasertoxins,andthesun'srays.Italsohelpscontrolyourbodytemperature,_________(prevent)yourbodyfromlosingtoomuchwater,warnsyouwhenthingsaretoohotorcold,andgivesyouyoursenseoftouch.(新人教版高中英语选择性必修第二册)preventsLet’stranslate.4.Ifyoulike,asqueezeoffreshlemonjuiceonthebananaswillpreventthemturningbrown.(2018·全国卷II)__________________________________________________________________如果你喜欢，往香蕉上滴新鲜的柠檬汁可以防止香蕉变成褐色。5.Icouldhaveaskedher,butsomething_____________________________.我本来是要问她的，但有些事阻止了我。（2017·天津卷）preventedmefromdoingsoLet’sread.(ExamplesfromForeignJournals)1.Thiswasdone"topreventonlookersonboatsandpreventthegasesfromaffectingpeople",thepresidentoftheisland'scouncil,MarianoHernández,said.BBCSept.21,20212.Secretlawpreventsthepublicfromunderstandingandshapingthelawandthusinhibitsdemocraticaccountability;disableschecksongovernmentalabusesofthelaw;andweakensthequalityofthelawitself.”NewYorkTimesSept.20,2021Let’sreadanddiscuss.(ExamplesfromForeignJournals)Asleadersofateamofhealthpolicyresearchersthattrackpolicyresponsest