watertalkPPT课件

WaterTalk,Reading(I),-,2,ARiddle,EverydayEnglish:,Guess:WhoamI?,Iamthemostcommonliquid.,Peoplecantlivewithoutme.,Animalsandplantsalsoneedme.,Icanchangemyform.,water,ARiddle,Groupwork:WaterQuiz,Trythisquiz:,Youcouldlivewithoutwaterforafew_.daysweekshours,2.Yourbodyneedabout_litresofwaterdaily.twoeightfour,3.Whenyouexercise,youneed_water.morelessthesame,4.Whenyoufreezewater,itbecomesa_.liquidsolidgas,5.About_ofEarthiscoveredbywater.onethirdtwothirdsonehalf,6.Thechemicalsymbolforwateris_.H2OH2O2HO2,7.Whichisnotoneofthethreelargestoceansintheworld?PacificIndianAtlanticArctic,8.Howmuchofyourbodyismadeupofwater?75%25%6%,9.WhatisthelongestriveronEarth?TheNile10.Thesolidstateofwaterisknownaswhat?Ice11.Waterismadeupofwhattwoelements?Hydrogenhaidrdnandoxygen12.Waterfreezesatwhattemperature?0,13.Trueorfalse?Soundtravelsfasterthroughwaterthanair?True14.Trueorfalse?Purewateristasteless.True15.Trueorfalse?Icesinksinwater.False,-,15,Inthispicture,wecanseethewatercycleinnaturalenvironment.Putthesesentencesinthecorrectorder.Writethenumbers15inthebrackets.,()Itflowsintothesea.()Itrunsintostreamsandrivers.()Itrisesfromtheseatothesky.()Itfallsasrainagain.()Waterfallsfromthecloudsasrain.,1,2,3,4,5,-,16,Sheistalkingtothe(dropof)water.,Sheisinthebathroom.,Whodoyouthinkistalkingtothegirlinthestory?,Whereisthegirl?,Whatisshedoing?,Sheisbrushingherteeth.,2,1,tap,drain,washbasin,-,18,Pleasereadthestorysilently.,awatertreatmentworks,somethingdonetochangeathingorperson,factory,-aspecialfactorywherewegivewaterathoroughcleaning,complete,asewageplant,buildingwithmachinesinit,dirtywaterandwastematter,worksfactory,-,21,theYangtzeRiver,-,22,theYangtzeRiver,theHuangpuRiver,A.DaisytellsBennythatshehastalkedtothewater,andBennythinkssheisstrange.B.Daisyisbrushingherteethwiththetapon.ThewatertellsDaisytoturnthetapoff,andsheissurprised.C.ThewatertellsDaisyaboutitslongjourneyfromacloudinJiangxiandwhereitwillgo.Itremindshernottowasteorpollutewater.,P1-3P4-13P14-16,Readthestoryandmatchthemainideawitheachpart.(IndividualworkI),WhydidthewateraskDaisytoturnoffthetap?Becauseshewaswastingwater.HowdoyouknowDaisywaswastingwater?Shewasbrushingherteethwiththetapon.Waterwaspouringintothewashbasinandvanishingdownthedrain.,ReadfromP1toP3,-,25,_,itfloatedina_in_._,itspeddownthe_intothe_._,ittravelledalongwayandranintothe_._,_droppeditintoa_._,_carriedittoa_.,Daisythoughtwatercamefromthetap,butbeforethat,whathappenedtothewater?,FirstNextThenAfterthatFinally,cloudJiangxistreammountaintheYangtzeRiverlaketheHuangpuRiver,cloud,lake,Jiangxi,mountain,theYangtzeRiver,stream,cloud,First,Next,Then,theYangtzeRiver,Afterthat,Finally,theHuangpuRiver,ReadfromP4toP6,1.First,it_inacloudinJiangxi.2.Next,cloud_itintoastream.3.Then,it_downthemountainintotheYangtzeRiver.4.Afterthat,theYangtzeRiver_ittoalake.5.Finally,it_alongwayand_intotheHuangpuRiver.,dirty,cleanup,travelleddroppedspedcarriedranfloated,floated,dropped,sped,carried,travelled,ran,Readthesentencesincorrectorderandchooseproperverbstofillintheblanks:,-,27,1._,Thejourneyofbeingcleanedup,2._,3._,HuangpuRiver,take,Peoplegaveita_andaddedafew_tothewater.,4._,5._,6._,ReadfromP7toP13,Awatertreatmentworks,Daisysbathroom,Pipe,Sewageplant,Sea,River,thoroughcleaning,chemicals,travel,go,beback,go,pump,Themapontherightshowsthewatersjourney.Describethewatersjourneyinyourownwords:,cloud,stream,theYangtzeRiver,lake,watertreatmentworks,pipe,Daisysbathroom,sewageplant,sea,theHangpuRiver,-,29,cloud,stream,theYangtzeRiver,lake,watertreatmentworks,pipe,Daisysbathroom,sewageplant,sea,theHangpuRiver,WatersJourney:,ThewatertoldDaisynottowasteorpolluteitbecauseitwasliquidgold.,ReadfromP12toP13anddoT/F,waslike,precious,F,-,31,Facts:Howmuchwateristhereontheearth?Watercoversalmost_oftheEarthssurface,butonlyabout_isfreshwater.Alltherestissaltwater.Butlessthan_istheformoflakesorrivers.TherestisfrozenasglaciersattheNorthandSouthPoles.,70%,3%,1%,Think&Conclude,Waterisveryprecious.Wecannotwasteorpolluteit.,Waterisprecious,likeliquidgold.Letssavewater!,Discuss:,Howtosavewater?,Dontrinseyourhands,clothesorvegetablesunderarunningtapdosoinabowlorsink.Takeshortshow