八年级英语Water课件4.ppt

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1、CHAPTERONEWaterAnswerthefollowingquestions.WhatisHidoingnow?WhatdoesLowanttodonow?WhatdoesHisaytohim?WhatdoesLoprobablyfeelwhenhehearsthis?WhatmayhappentoLo?ABrainstorming:Wherecanweseewater?BHowmuchdoyouknowaboutwater?Trythisquizfirst.Youcanlivewithoutw

2、aterforafew______.adaysbweekschoursYourbodyneedsabout______litresofwatereveryday.atwobfourceightWhenyouexercise,youneed______water.amoreblessclittleWhenyouboilwater,itbecomes______.aliquidbsolidcgasWatercoversabout______ofEarth.aonethirdbhalfctwothirdsTh

3、escientificsymbolforwateris______.aHObH2OcH2O2CWhatdoyouusuallyusewatertodo?Discussingroupsandgiveyouranswers.DLookatthesepicturesagainandthinkwhatmayhappenifthereisnowater.A1Usethepictureontherighttoputthesesentencesinthecorrectorder.()Itflowsintothesea

4、.()Itrunsintostreamsandrivers.()Itrisesfromtheseatothesky.()Waterfallsfromthecloudsasrain.()Itfallsasrainagain.A2Lookatthepictureagainandsayhowwatercomesinyourownwords.B1Lookatthetitleofthestoryandthepictureonpage3.Whodoyouthinkaretalkinginthestory?Water

5、talkB2Lookatthepictureagain.Whatisthegirlprobablydoinginthepicture?B3Whatdoyouthinkthegirlandthewaterdropwilltalkabout?A1Readthewholeletteronpage3forthefirsttime.Findthefollowingwordsorexpressionsinthepassage.Workouttheirmeaningsbyyourself.pouringfrozewa

6、stingobeyednoddedcleaneduptravelleduntilpumpinthefirstplacepollutevaluableA2Choosethebestmeanings.pouringaflowingbdisappearingcboilingfrozeastoppedmovingbecauseofsurpriseblookedunhappycfeltcoldwastingausinglessofsomethingthanyoushouldbusingmoreofsomethin

7、gthanyoushouldcusingnoneofsomethingobeyedadidaccordingtoinstructionsbdidslowlycdidnothingcleanedupamadesomethinglightbmadesomethingcleancmadesomethingdirtyinthefirstplaceainthebeginningbinthemiddlecintheendvaluableaofgreatvalueboflittlevaluecofnovalueA3M

8、atchthetwocolumns.AB12345noddedtravelleduntilpumppolluteabcdeuptothepointintimepushwater,air,etc.bymachinemakeair,water,etc.dirtywentfromoneplacetoanothermovedone’sheadupanddownBReadthestoryagain.C1Themapbelowshowsthewater