2010年菏泽市骨干教师评选英语讲课课件period 2 global

Unit4 Globalwarming 曹县一中 武超 NSEFCStudent sBook6 Reading Cold Hot Theearthisbecomingwarmer Globalwarming NSEFCStudent sBook6 Fast reading 1 Matcheachpartwiththemainidea 2 Whatisthemaintopic A Theearth B Globalwarming C Becomingwarmerdoesn tmatter Readthefirstpart SophieArmstrong EarthCare Tointroducethetopic Readthefourpartsonebyone andanswerthefollowingquestions 2 Graphsareusedtoexplainpointsbyproviding A evidenceB phenomenon andanswerthequestions 1 Humanactivity burningoffossilfuels 2 Greenhouseeffect 3 Theincreaseofextracarbondioxide 4 Globalwarming 1 Howhastheglobalwarmingcomeabout A Readthesecondpart 1 Whataretheeffectsofglobalwarming 2 TellthedifferentideasbetweenDr JaniceFoster GeorgHambley andanswerthequestions Readthethirdpart 1 Whataretheeffectsofglobalwarming Thesealeveltorise Severestorms droughts floodthespreadofdiseases anddisappearanceofspecies Makeplantsgrowfaster Cropswillproducemore Encourageagreaterrangeofanimals 2 ThedifferentideasbetweenDr JaniceFoster GeorgHambley goup catastrophe serious positive produce range Readthefourthpart EvenifwestartreducingtheamountofCo2 theclimateisgoingtocontinuewarming 1 Doesthatmeanweshoulddonothing 2 Whatshallwedo Post reading THEEARTHISBECOMINGWARMER BUTDOESITMATTER Duringthe20thcenturythetemperatureoftheearthroseaboutonedegreeFahrenheit Howhasthis 发生 Manyscientistsbelievethatpeoplehavecausedthe 增长 intheearth stemperaturethroughtheburningoffossilfuels Theproblembeginswhenweaddhuge of 大量的 extraCo2 TheincreasedamountofCo2 意味着 moreheatistrappedintheatmosphere 引起 theglobaltemperaturetogoup Weknowthatthe 水平 ofCo2haveincreasedgreatlyoverthelast100to150years Anincreaseoffivedegreeswouldbea 灾难 Somepeoplethinkfutureglobalwarmingwouldcausethesealeveltorise otherspredict 严重的 storms droughts famines the 传播 ofdiseases andthedisappearanceofspecies Somescientistsbelievethatweshouldnotworryabouthighlevelsofcarbondioxideintheair Itwillmakeplantsgrowfaster cropswillproducemore itwillencourageagreater 范围 ofanimals Greenhousegasescontinueto 聚集 intheatmosphere Nooneknowstheeffectsofglobalwarming Doesthatmeanweshoulddonothing Or arethe 风险 toogreat Fillintheblanks 1 2 3 4 5 6 7 8 9 10 11 12 Comeabout increase quantities means causing levels catastrophe severe spread range Buildup risks Discussion Canyouimaginethelifeinthefuturewiththeearthwarming Discussitwithyourclassmatesandwriteashortarticle FinallyIWillletonestudentintroduceittoourclassinfront Homework Reviewthetextandpayattentiontotheuseofit Findouttheimportantanddifficultwordsandexpressionstoyou Assignment PreparethelanguagepointsofthispassageAfterrememberingthevocabulary dotheexerciseonPage28 Unit4 Thankyou Bye bye Fast reading 1Givethemainideaofeachpart 2 Whatisthemaintopic A Theearth B Globalwarming C Becomingwarmerdoesn tmatter Explainhowglobalwarmingcomesabout Introduceadebateoverglobalwarming Letreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot Theeffectofglobalwarmingandtwodifferentattitudestowardsglobalwarming Readthefirstpart So