Unit1Itmightsnow.典案一教学设计Step1WarmingupShowsomephotosaboutweatherandhaveashortdialoguewiththestudents.(详见素材一导入二)Step2Listening1．Teachsomenewwordsbyshowingsomephotosaboutweather,andthenaskthestudentstotalkabouttheweatherwiththewordsinActivity1.(详见素材二活动一)2．PlaythetapeandaskthestudentstocheckthecorrectinformationinthetableinActivity2.Then,askthestudentstodosomeexercisesaboutActivity2.(详见素材三)Step3Reading1．Checkthestudents'preparationforthedialogueinActivity4.2．Letthestudentsanswersomeeasyquestions.(详见光盘课件)3．Getthestudentstoreadthedialogueforfiveminutesandcheckthetruesentences.4．Askthestudentstoclosethetextbookandpractisethedialoguewithapartner.5．Choosetwogroupstoactoutthedialogue.(详见素材四突破一)Step4Practice1．AskthestudentstolookatthewordsintheboxinActivity5andmakesuretheyknowtheirChinesemeanings.2．Tellthestudentstocompletethepassageindividuallyandcheckanswersinpairs.3.Thebetterstudentshadbetterrecitethepassage.(详见素材二活动二)Step5Pronunciationandspeaking1．PlaythetapeofActivity7twiceandtellthestudentstolistenandpayattentiontothewaysthequestionsaresaid.Then,playthetapeoncemoreandpauseforthestudentstorepeat.2．ReadthedialogueinActivity4andsummarizetheuseofmay,mightandprobably.ThenlookatthecorrectinformationinthetableinActivity2andmakeaweatherforecast.(详见素材四突破二)Step6Languagepoints(详解见学案部分)1.cloudn．云；云雾2．snown．雪v．下雪3．jokev.说笑话；开玩笑n.笑话；玩笑4．temperaturen.温度5．neitheradv.(某人或某事物)也不6．probablyadv.或许；可能7．Notusually,althoughthisyearitsnowedquitealot.不常(下雪)，尽管今年下雪很多。8．IwishIwereinAustralianow.我希望我现在在澳大利亚。9．Comeon,bettergetgoing!好了，走吧！Step7Homework1．背诵与天气或气象相关的单词和句子。2．完成第19课时分层训练中“课内基础自测”的Ⅰ题和Ⅲ题。恶劣天气报警器IntheCharlesF.JohnsonElementarySchoolinNewYork,thereisaspecialradio.Itgivespeoplewarnings(警报)aboutbadweather.Oneday,therecameasoundfromtheradio.Thissoundbroughtthepieceofnews:aheavystormwascoming.WilliamTomic,principal(校长)oftheschool,askedteacherstokeepthechildrenindoorsandleadthemtoasafeplaceatonce.Minuteslater,thestormcame.However,becauseofthewarningoftheradioandthequickworkoftheprincipal,noonewashurt.“Theradioreallydidworkverywell.Wefeltveryhappyaboutitswork，”WilliamTomicsaid.“Theparentswereaswell.”TheU．S.governmenthopestherewillbemoresuchsuccessfulstories.Itplanstogivethiskindofradiostoall97，000publicschoolsinthecountry.Everyyear,morethan10，000bigthunderstorms,2，500floods,1，000tornadoes(龙卷风)andsomehurricanes(飓风)takeplaceintheU．S.,sothewarningradiosareveryuseful.Theynotonlygivepeoplewarningsaboutbadweather,butalsogivewarningsaboutotherdangerousthings.
