新教材2021学年高中英语人教必修第二册课件Unit1Period4DiscoveringUsefu

DiscoveringUsefulLanguageLearningAimsBytheendoftheperiod,youwillbeableto1.getmorefamiliarwiththeusagesofrelativepronounsandrelativeadverbs.2.applyrelativeclausestodescribingpeopleorthingsingreaterdetailinoralcommunication.3.polishtheirlanguageusingrelativeclausestoimprovetheirwritingability.StepILeadin:PlayaGame1.Whoismybestfriend?2.Whoborrowedabookfrommeyesterday?Yourphysicsteacherisapersonwhowearsamoustache.Theheadnoun/先行词关系词/therelativewords关系词的作用：1、指代作用：指代先行词；2、连接作用：连接主从句；3、成分作用：在从句中充当成分StepIIObserveandanalyzeTask1Analyzeandconcludetheusageoftherelativepronouns.1.Thereweredeepcrackswhich/thatappearedinthewellwalls.2.1)Theteam(that/which)LangPinghadbuiltwasfallingapart.2)WrittenChinesehasalsobecomeanimportantmeansbywhichChina’spresentisconnectedwithitspast.3.1)Theplayerwho/thatwasknownas“AirJordan”changedbasketballwithhisgracefulmovesandjumps.2)Wekeptseatsforthosewhomightarrivelate.3)ThisisthebestfilmthatI’veeverseen.4.1)Sheismyfriend(whom/who/that)Ialwaysturntoforhelp.2)HeistheonlypersonwithwhomIwanttosharethestory.5.1)Workersbuiltsheltersforsurvivorswhosehomeshadbeendestroyed.2)Theroomwhosewindowfacessouthismine.StepIIObserveandanalyze关系代词先行词在定语从句中充当的成分人物主语宾语定语thatwhichwhowhomwhoseStepIIObserveandanalyzeTask2Analyzeandconcludetheusageoftherelativeadverbs.1.Therecomesatimewhen(inwhich)theoldmustgivewaytothenew.2.Templesandotherculturalsiteswereputbacktogetheragaininaplacewhere(inwhich)theyweresafefromthewater.3.Therearemanyreasonswhy(forwhich)theculturalrelicsshouldbeprotected.关系副词先行词在定语从句中充当的成分可以转化成whenwherewhy时间名词时间状语in/on/at…which地点名词地点状语in/on/at…whichreason原因状语forwhichThink:Howtochooseaproperrelativepronounorrelativeadverb?Step1找出先行词（人，物，所属关系等）Step2分析从句基本成分Step3选择合适的关系词StepIIObserveandanalyzeTask3Completethepassageusingproperrelativepronounsandadverbs.Therewasatime1.________________peopleneartheNilesufferedalot,sothegovernmentwantedtobuildanewdamtosolvetheproblem.However,waterfromthedamwouldlikelydestroysomeculturalrelics.Thatwasthereason2.____________________theproposalreceivedprotests.Afterlisteningtothose3.______________wereworriedabouttheproblem,thegovernmentturnedtotheUNforhelp.Theprojectalsobroughttogethergovernmentsandenvironmentalists4.______________contributions(贡献)madeagreatdifference.Withtheirhelp,templesandotherculturalrelics5.____________weretakendownweremoved.Thentheywereputtogetheragaininaplace6._______________theyweresafefromthewater.Theprojectwasconsideredagreatsuccess7.____________peoplewereproudof.Whenfacedwithdifficulties,wecanturntootherswith8.________miracles(奇迹）canbecreated.whenwhywhowhosewhich/thatwherewhich/thatwhomStepIIIPracticeTask1Rewritethesentencesusingrelativeclauses.1.Theriverwaspollutedseriously.Itrunsthroughthecentreofthecity.___________________________________________________________2.Ihavebeentothecitytwice.Youjustvisitedthecity.___________________________________________________________3.Double12Dayiscoming.Thatdaymymotherwillspendalotofmoney.___________________________________________________________4.IwillvisitMountTai.AtthetopofitIcanenjoythebeautifulsunrise.___________________________________________________________Theriverwhich/thatrunsthroughthecentreofthecitywaspollutedseriously.Ihavebeentothecitytwicewhich/thatyoujustvisited.Double12Dayiscomingwhenmymotherwillspendalotofmoney.IwillvisitMountTaiatthetopofwhich/whereIcanenjoythebeautifulsunrise.StepIIIPracticeTask2Divideeachofthefollowingcompoundsentencesintosimpleones.Example:Therecomesatimewhentheoldmustgivewaytothenew.Therecomesatime.Duringthetimetheoldmustgivewaytothenew.WaterfromthedamwouldlikelydamageanumberoftemplesanddestroyculturalrelicsthatwereanimportantpartofEgypt'sculturalheritage.Waterfromthedamwouldlikelydamageanumberoftemplesanddestroyculturalrelics.TheculturalrelicswereanimportantpartofEgypt'sculturalheritage.StepIIIPracticeAfterlisteningtothescientistswhohadstudiedtheproblem,andcitizenswholivednearthedam,thegovernmentturnedtotheUnitedNationsforhelpin1959.Templesandotherculturalsitesweretakendownpiecebypiece,andthenmovedandputbacktogetheragaininaplacewheretheyweresafefromthewater.Afterlisteningtothescientistsandcitizens,thegovernmentturnedtotheUnitedNationsforhelpin1959.Thescientistshadstudiedtheproblem.Thecitizenslivednearthedam.Templesandotherculturalsitesweretakendownpiecebypiece,andthenmovedandputbacktogetheragaininaplace.Inthisplacetheyweresafefromthewater.StepIIIPracticePerhapsthebestexampleisshownbyUNESCO,whichrunsaprogrammethatpreventsworldculturalheritagesitesaroundtheworldfromdisappearing.PerhapsthebestexampleisshownbyUNESCO.UNESCOrunsaprogramme.Theprogrammepreventsworldculturalheritagesitesaroundtheworldfromdisappearing.StepIIIPracticeTask3Observethefollowingsentences,thinkabouttheirfunctions,andthenlearntogivedefinitions.1.Alibraryisaplacefrom/inwhich/whereyoucanborrowbooks.2.Agoodfriendissomeonetowhomyoucantellyourproblems.3.Avacationisatimeduringwhich/whenyoudon'twork.4.Afootballcoachissomeonefromwhomfootballplayersreceivetraining./Afootballcoachissomeonewhotrainsfootballplay