英语－高中英语第二册第34课教案

全中国二千八百多个湖泊，thenscanthepassagestofigureoutwhereontheworldatlasthedamagehashappenedEncouragethestudentstogiveouttheirpointofviewtowardthepollutionissueStep3AudiovisualLearningThestudentswatchavideoonthetext，占国土面积的百分之十六，chemicalrain，大多出现水体负氧化现象，其他污染如固体废物排放，theyarenotabletocleanthemselvesFStep4IntensiveReadingReadthepassagesagainforsomedetailedinformation1Tosaysomethingaboutthedamagethatiscausedtotheworldbypollution，八成受到不同程度的水体污染，据香港《东方日报》报导，加上自然灾害带来的损失，whichusedtobecleanestItheworld，其中大江河经过城镇河段的占二成，空气污染导致许多城市肺癌死亡率增至万分之二，toomanycattle，powerstationsandcarsproducealotofwasteAlotofthingshavetobedonetoreducepollutionNewlawsshouldbepassedandpeopleshouldrealizehowserioustheproblemisAlotofpeoplediedfrompollutedairinbothRussiaandIndiaTherewereseriousaccidentsthatpollutedtheairTreesintheforestaredestroyedandfishinthelakesarekilledChemicalrainWATERInsomeplacesit’snolongersafeforswimming，大气中二氧化硫，噪音污染等造成的损失也高达一百三十亿元，调控措施不力和公民环保意识不强是主要原因，2000ByZhaoxiangZhouITeachingfocus1Realizethedamagecausedtotheworldandfigureoutthereasons2FindwaystostoptheearthfrombeingpollutedbydiscussingingroupsIITeachingapproachesElicitation，水土流失面积达一百五十五万平方公里，powerstations，同时，草原的严重退化，CAIDemonstrationClassSavingTheEarthOctober16，cuttingdowntrees，makinginterviewswithheadsoffactories(egApapermakingfactory)whichareseriouslypollutingairand/orwaterRecordtheinterviewsandcomposeareportStep7Assignment（1）Readtheadditionalmaterialsaboutpollutionanddothereadingcomprehensionexercises（2）FinishthereportThanksforattendingthisclass!_____________________________________________________________________________--__资料我国环境污染现状令人担忧据专家估计，由于城市燃煤，中国每年因环境污染造成的损失达到二千八百三十亿元人民币，森林覆盖率由四九年的三成左右，accidentsatpowerstationsandfactoriesWater:wastefromfactoriesandcitiesStep2Presentation1．Presentaseriesofimagesdepictingthenaturalbeautyoftheearth，一氧化碳等有毒悬浮微粒弥漫在城市上空，thenthepollutionHighlightthesharpcontrastbetweenthemGuidethestudentstotheconclusion:Theearthusedtobemuchmorebeautifulthannow;theearthisindangerduetotheincreasingp