Unit9Savingtheearth-TheSecondPeriodTeachingAims：1．Improvethestudents’readingability．2．Learnsomeusefulwordsandexpressions．3．LearnsomethingabouttheEarthSummittohelpthestudentsknowtheimportanceofprotectingourearth．TeachingImportantPoints：1．Improvethestudents’readingability．2．Mastertheusefulwordsandexpressions.TeachingDifficultPoints：1．Howtohelpthestudentsmastertheusageoftheusefulwordsandphrasesinthepassage.2．Howtoimprovethestudents’readingability．TeachingMethods1．Fastreadingandreadingtogetthegeneralideaandthedetailedinformationofthepassageandtoimprovethestudents’readingability．2．ExplanationtohelpSsmastertheusageoftheimportantwordsandphrases．3.Individualorpairworktomakeeverystudentworkinclass．4．Listeningandrepeatingmethodtoimprovethestudents’pronunciation．TeachingAids：1．ataperecorder2．aprojector3．theblackboardTeachingProcedures：StepIGreetingsandLead—inGreetthewholeclassasusual．T:Inthefirstperiodofthisunit，wetalkedaboutourenvironment．Weknowthatourenvironmentisingreatdanger．It’sbeingseriouslypolluted．Whatcanwedotoprotecttheenvironment?S：Wecanhelpmorepeopletoknowtheimportanceofprotectingourearth．S：Weshouldnotusethethingsthatpollutetheenvironment，suchasplasticbags，air—conditionersandsoon．S：…StepⅡPre—readingT：Verygood．Todaywe’regoingtoreadthepassage“Welcometotheearthsummit”．Itisabouttheearthsummitandsomeofthemajorproblemsfacingtheworld．Beforereadingthetext，trytopredictitscontent．Workinpairsandwritedownwhatyouthinkeachpartofthetextwillbeabout．(Allowthestudentsafewminutestofinishthetask．Thenasksomestudentstosaytheiranswers．Comparetheanswersandchoosethebestofthem．)StepIIIReadingT：Welldone．Now,pleasereadthepassagequicklymaketheoutlineofthetext．Compareitwiththeoutlineyoumadejustnow，Findouthowtheyare用心爱心专心115号编辑differentfromeachother，Whichonedoyouthinkisbetter?Areyouclear?Ss：Yes．(GiveSsenoughtimetoreadthetext，makethenewoutlineandcompareitwiththeonemadeinthePre-reading．Finally,asksomestudentstoanswerthequestions．Studentsmayhavevariousanswers．)Sampleoutline：Introduction：IntroducetheEarthSummittothereaders．Tellreaderswhenandwhereitisfirstheldandwhatitisabout．Body：Givemoredetailedinformationabouttheproblemsdiscussedatthemeeting．Conclusion：Tellreaderswhatwecandotoprotectourearth．T：Good．Now,pleasereadthepassagecarefully．Thistimeyoushouldpayattentiontosomedetailedinformationinthepassage．Afterthat，I'llaskyou,somequestions．OK，youcanbegin．(Ssreadforawhile．)Haveyoufinished?Ss：Yes．T：OK．Now，I’llaskyousomequestions．Ifyouknowtheanswertoeachquestion，pleasestandup．Areyouclear?Ss：Yes．T：OK．Listentomyfirstquestion．Whatarethe“bigthree”?S：Iknowthe“bigthree”referstocontaminateddrinkingwater，poorsanitationandairpollution．T：Doyouagreewithhim／her?Ss：Yes．T：OK．Whoknowsofanyothers?S：Iknow．Peoplehunttoomanywildanimalsandbirdsandtheycuttoomanytrees．too．T：Right．WhyareconferencesliketheEarthSummitimportant?S：Becausetheyhelppeopleunderstandthatthereexistseriousproblemsandthatthere’sstilltimetotakeaction．Theycantelluswhatwecandotohelp,tooT：Verygood．Nextquestion．WhatissuesarediscussedattheEarthSummit?S：Contaminateddrinkingwater，poorsanitation．airpollution，poverty．warsandviolence．T：Whichdoyouthinkisthemostimportant?Why?S：Ithinkthewaristhemostimportant,becausewarsnotonlycosttoo...
