Unit3LearningAboutLanguage教案高中英語人教版選擇性

教學(xué)設(shè)計(jì)Unit3EnvironmentalProtectionLearningAboutLanguage一．課題Book3Unit3EnvironmentalProtection二．課標(biāo)要求能通過讀與看，獲取文章主要信息和觀點(diǎn)，能基于所讀和所看內(nèi)容，進(jìn)行推斷，比較，分析和概括。三．考點(diǎn)分析細(xì)節(jié)理解，主旨大義，推理判斷，詞義猜測四．知識模塊分析閱讀理解—人與自然（氣候變化帶來影響及我們應(yīng)該怎么應(yīng)對）五．思維誤區(qū)分析1.Whyisthe"natural"greenhouseeffectimportantandnecessary?六．必備知識分析1.詞匯：graphmeltstarvesealecologyreleasemethanesustainfossilfuelprehensivetrendbroadcastemissionpolicyrestrict2.閱讀策略：skimming快速瀏覽scanning掃讀carefulreading細(xì)讀七．關(guān)鍵能力分析1.根據(jù)篇章標(biāo)題，圖片，圖表和關(guān)鍵詞等信息，預(yù)測和理解篇章的主要內(nèi)容;八．預(yù)習(xí)提綱熟讀和識別文中重點(diǎn)字詞graphcarbontrapmelthabitablestarvesustainbroadcastemissionpolicyrestrictsealfossilfuelecologyreleasetrendmethaneprehensive九．學(xué)生能力發(fā)展目標(biāo)1.Graspthemainideaofeachparagraphbyskimming2.Underlinethedetailedinformationbyscanning3.Describetheeffectofglobaltemperatureriseinadiagrambycarefulreading十．重難點(diǎn)1.keypoints:Tounderlinethedetailsofthequestionsbyscanning2.difficultpoints：Todescribetheeffectofglobaltemperatureriseinadiagrambycarefulreading十一．學(xué)生活動設(shè)計(jì)Step1CheckPreparationT:PresentthekeywordsonthepptandthenrandomlypicksomestudentstoshowtheChinesemeaningSs:ReadandtranslateintoChinesePurpose:TocheckpreparationandtopreparefortheneststepStep2leadinT:PlayashortvideoSs:WatchashortvideoandobservethehorriblemomentsinvideoPurpose:Toarousestudents'interestaboutthispassageStep3WhilereadingActivity1skimming5minsT:ToshowtitleandtwopicturesandaskthempredictthemainideaSs:WatchthetileandpicturestopredictthemainideaT:AskstudentstoshimthepassageandmatchSs:SkimthepassageandmatchthemainideaPurposes:TograspthemainideaofeachparagraphbyskimmingActivity2scanning7minsT:AskstudentstoscanthesequestionsinlimitedtimeSs:ReadthequestionsandthenfindthesupportingdetailsQ1.Whyisthenaturalgreenhouseeffectimportantandnecessary?Q2.Whatdoestheword“cost”inparagraphmeaning?Q3.Whatcanwedotoreducegreenhousegasemissions?Purpose:Thesequestionsarebasedonthecollegeentranceexamination?T:AskstudentstopresentonebyoneandgiveahelpifnecessarySs:TosharetheirideaswithusandthenexplainwherecanyoufindthesupportingdetailsPurpose:Aimtoimprovestudents'readingabilitybyexplainingandexpressingthemselvesclearlyActivity3carefulreading(groupwork)5minsT:Readthepassage(P4)andshowthemadiagramSs:ReadthepassagecarefullyanddesignadiagramThinkaboutitandthendiscussingroupsPurpose:tohelpthemorganizetheparagraphafterreadingStep4SummaryFillingtheblanks5minsT:AskstudentstofillintheblanksaccordingtowhattheyhavelearnedSs:TofinishtheexciseindividuallyPurpose:ToconsolidatewhatwehavelearnedAsweknow,Earthisgettingwarmerandwarmer,1.resultsinmeltingiceandrisingsealevels.In2013,adeadpolarbear2.(find)onNorway'sArcticislandofSvalbard.Expertssaidthatitwaslowseaicelevels3.(cause)byclimatechangethatkilledthepolarbear.4.(scientist)oftenmentionthatthe"manmade"greenhouseeffectisabigproblem.5.riseintemperaturehasledtoanincreaseinextremeweatherand6.(nature)disastersworldwide,7.(frequent)causingseriousdamageandcostinghumanlives.Thefurtherglobalwarmingthatresults8.thecontinuedgreenhousegasemissionsrequirestheattentionofpeopleallovertheworld.Governmentsneedtomakepoliciesandtakemeasures9.(reduce)greenhousegasemissions.Asindividuals,weshouldalsoreduceour"carbonfootprint"by10.(restrict)theamountofcarbondioxideourlifestyleproduce.Step5homeworkTranslatethewholepassageintoChineseorallyF