《water综合》ppt课件

《《water综合》ppt课件》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

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

2、Yourbodyneedsabout______litresofwatereveryday.atwobfourceightWhenyouexercise,youneed______water.amoreblessclittleWhenyouboilwater,itbecomes______.aliquidbsolidcgasWatercoversabout______ofEarth.aonethirdbhalfctwothirdsThescientificsymbolforwateris______.aHObH2OcH2O2CWhatdoyouusuallyusewate

3、rtodo?Discussingroupsandgiveyouranswers.DLookatthesepicturesagainandthinkwhatmayhappenifthereisnowater.A1Usethepictureontherighttoputthesesentencesinthecorrectorder.()Itflowsintothesea.()Itrunsintostreamsandrivers.()Itrisesfromtheseatothesky.()Waterfallsfromthecloudsasrain.()Itfallsasrain

4、again.A2Lookatthepictureagainandsayhowwatercomesinyourownwords.B1Lookatthetitleofthestoryandthepictureonpage3.Whodoyouthinkaretalkinginthestory?WatertalkB2Lookatthepictureagain.Whatisthegirlprobablydoinginthepicture?B3Whatdoyouthinkthegirlandthewaterdropwilltalkabout?A1Readthewholelettero

5、npage3forthefirsttime.Findthefollowingwordsorexpressionsinthepassage.Workouttheirmeaningsbyyourself.pouringfrozewastingobeyednoddedcleaneduptravelleduntilpumpinthefirstplacepollutevaluableA2Choosethebestmeanings.pouringaflowingbdisappearingcboilingfrozeastoppedmovingbecauseofsurpriseblook

6、edunhappycfeltcoldwastingausinglessofsomethingthanyoushouldbusingmoreofsomethingthanyoushouldcusingnoneofsomethingobeyedadidaccordingtoinstructionsbdidslowlycdidnothingcleanedupamadesomethinglightbmadesomethingcleancmadesomethingdirtyinthefirstplaceainthebeginningbinthemiddlecintheendvalu

7、ableaofgreatvalueboflittlevaluecofnovalueA3Matchthetwocolumns.AB12345noddedtravelleduntilpumppolluteabcdeuptothepointintimepushwater,air,etc.bymachinemakeair,water,etc.dirtywentfromoneplacetoanothermovedone’sheadupanddownBReadthestoryagain.C1Themapbelowshowsthewater