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10AirAirhasno______or_______.Airhasno_______or_______.Wecannot____it,butwecan____it.colourshapesmelltasteseefeelAiris__________.Itisimportanttoall______.Itisalsoimportantto______and_____.Weallneedittokeepus____.everywherepeopleanimalsplantsaliveLookatthe_____andthe______.Lookatthe_____andthe_____.Theyallneedittoo.Itkeepsthem_____inthesky.kiteballoonplanebirdhighIthasnocolourorshape.Ithasnosmellortaste.Wecannotseeit,butwecanfeelit.Itiseverywhere.Itisimportanttoallpeople.Itisalsoimportanttoanimalsandplants.Weallneedittokeepusalive.Lookatthekiteandtheballoon.Lookattheplaneandthebird.Theyallneedittoo.Itkeepsthemhighinthesky.Whatisit?Itisair.Howtomakeaparachute?1.Theparachutefallsdownslowly.2.Theparachuteisopen.3.Theparachutehitsthegroundgently.4.Thereisairintheparachute.Theairisdirtyinsomeplaces.Wecallthisairpollution.Airpollutionisharmful!1It’sharmfultothehealthofpeople2It’sharmfultothenature.3Airpollutionspreadseasily.4Airpollutionisaglobalproblem.5Peopleshouldstopusingcoal.AirpollutionAirkeepsusalive.Wegetsickiftheairistoodirty.What’sthematterwithKitty?It’sthesmoke.It’sfromcars,busesandthefactory.Hereyeshurt.Whathurtshereyes?Whereisthesmokefrom?What’sthematter,Kitty?Areyoucrying?I’mnotcrying.Myeyeshurt.It’sthesmoke.Whereisthesmokefrom?It’sfromthecarsandbuses.Lookattheblacksmokefromthefactory.Itmakestheairdirty.Let’sgotothepark,Ben.Theairiscleanthere.OK.Theairissofreshhere.Yes.Therearealotoftreesinthepark.Treeskeeptheairclean.Weshouldplantmoretreesandkeeptheairclean.Yes!Weshouldkeepourcityclean.Howistheair?Howistheairinthepicture?It’sdirty.Howistheairinthepicture?Howistheairinthefactory?It’sdirty.Howistheairinthefactory?It’sclean.APIandHealthImplications(DailyTargets)APIAirPollutionLevel:0-50Excellent51-100Good101-150SlightlyPolluted151-200LightlyPolluted201-250ModeratelyPolluted251-300HeavilyPolluted300+SeverelyPolluted1.ListentoandreadStudent’sBookpage70.2.Read,copyandspellthewords:factory,factories,smoke,dirty,clean3.Thinkabouthowtokeeptheairclean.4.FinishWorkbookpages57and59.
本文标题:《Air》PPT课件
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