高中英语Unit8 Protecting the Environment教案 2页

Unit8ProtectingtheEnvironment课堂练习Radiosaidyesterdaythataveryserioussand-duststorm,maybethemostseriousonethisyear,attackedthewholeNorthChina.Alltheplanesinandoutstoppedflyingandallfreewayswereclosed.ItwassaidtogrowfromthecentraldesertsofMongoliaforlackofraininthisareaforalmosttenmonths.NewsfromthePeople’sDaily:Owingtopeople’sactivitiesintheearth,theamountofcarbondioxideintheatomosphereisincreasingandthisleadstoso-calledgreenhouseeffect,thatis,thetemperatureoftheairisrising.SomeicebergsinAntarcticandintheArcticOceanaremeltingandcollapsing.AnunexpectedsnowfellinEuropethisAugust,andthishasneverhappenedbeforeatthistimeofyear.Andworsestill,theholeofOzonophereoverAntarcticisbecominglargerdaybyday.Fromtheabovewecanseethatprotectingtheenvironmentisnotonlyamustforourlife,butalsoalifeanddeathproblemforourexistence.Pleasethinkofthefollowingtwoquestions：1.IspollutionseriousinChinajudgingfromthesurroundingsinyourcommunity?2.Somepeoplearemakinganurgentappeal“servingourearth”.Why?Unit8ProtectingtheEnvironment合作与讨论Thepopulationisincreasingveryfast,especiallyindevelopingcountriesandthiscallsfordevelopmentofindustryandagriculture.Withthedevelopmentmoreandmorepollutionisproduced.What’smore,forlackofenvironmentalawareness,peoplethrowrubbishcasually,andforlackofmoney,therubbishcan’tbedeltwith,lyingeverywhereandcausingdamagetooursurroundingsdayandnight.Nowdiscussingroupsthefollowingquestionsaboutpollution.1.Howmanykindsofpollutionarethereintheworld?2.Howseriousispollutioninyourcommunity?\n3.What’slikepeople’sawarenessofpollutionaroundyou?4.Whatmeasureshavebeentakentostoppollutioninyourcommunityorcity?