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1、homeVideoWarm-up-DiscussionLookatthevideo.Q:Canyougetthetopicofthisvideo?ObjectivesInthisunit,youwill—learnsomebasicfactsaboutourearth;—enlargeyourvocabularyfordescribingtheearthandtheenvironment;—knowsomethingaboutEarthDay;—studyalistofdifferentprepositions;—readandw
2、riteslogans.ObjectivesmainListeningandSpeakingTextAGrammarTipsTextBComprehensiveExercisesPracticalReadingandWritingWarm-upEarthDayWarm-up-BackgroundInformationDiscussionBackgroundInformationWarm-upPlansforthefirstEarthDaywereannouncedinSanFranciscoattheUNESCOConferenc
3、eontheEnvironmentheldinNovember1969.FormerUSSenatorGaylordNelsonsuggestedthatMarch21,thefirstdayofspring,beestablishedasEarthDayforanationwideteach-inontheenvironment.OnApril22,1970,anestimated20millionpeople,2,000collegesanduniversities,10,000grammarandhighschoolsand
4、1,000communitiestookpartinthefirstnationwidedemonstrationsonenvironmentalproblemsintheUSA,Warm-up-BackgroundInformationBackgroundInformationDiscussionWarm-upwhichmarkedthebeginningoftheworld’scelebrationofEarthDay.Onthetwentiethanniversaryofthatevent,April22,1990,more
5、than200millionpeoplein141countriesparticipatedinEarthDaycelebrations.TheactivitieswereapprovedbytheUnitedNationsandsincethenApril22ofeachyeariscelebratedasInternationalEarthDay.Question1:Canyounametheearth’ssevencontinentsandfiveoceans?ThesevencontinentsareAsia,Africa
6、,Europe,SouthAmerica,NorthAmerica,Antarctica,Oceania.ThefiveoceansarethePacificOcean,theAtlanticOcean,theIndianOcean,theArcticOcean,andtheAntarcticOcean.HintsWarm-up-DiscussionDiscussionBackgroundInformationWarm-upNow,pleasepointthemoutonamap!Warm-up-DiscussionDiscuss
7、ionBackgroundInformationWarm-up1345322157146Thisistheanswer.Warm-up-DiscussionDiscussionBackgroundInformationWarm-upNorthAmericaEuropeAsiaAfricaArcticOceanSouthAmericaAtlanticOceanPacificOceanAntarcticOceanAntarcticaPacificOceanIndianOceanOceaniaWarm-up-DiscussionDisc
8、ussionBackgroundInformationWarm-upMercuryVenusEarthMarsJupiterSaturnUranusNeptunePlutoCometNinePlanetsA.Choosethebestrespons
