人教版高中英語必修三Unit4Reading教學(xué)課件

1、Unit4Readingpractice名師授課方案1.TeachingAnalysis教情解析1.1Teachingobjectives-授課目的1.1.1Languagetarget語言目標(biāo)Keywords&expressions重點詞匯和短語Forapplying:theory,billion,violent,atmosphere,unlike,fundamental,harmful,chain,thus,puzzle,biology,biologist，intime,givebirthto,inonesturn,prevent.from;Forcomprehending:atom,gl

2、obe,global,carbon,vapour,presence,dissolve,acid,reaction,multiply,oxygen,mammal,dioxide，layeggs,carbondioxide;Forrecognizing:BigBang,nitrogen,shellfish,amphibian;Sentencestructures:Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidglobe.Itwasnotimmediatelyo

3、bviousthatwaterwasfundamentaltothedevelopmentoflife.Afterthat,somehugeanimals,calleddinosaurs,developed.Sowhetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.Theywereintimetoproducecarbon,nitrogen,watervapourandothergases.Asaresultofthis,manyscientistsb

4、elievethattheearthmaybecometoohottoliveon.Theearthbecamesoviolentthatitwasnotclearwhethertheshapewouldlastornot.Abilitygoals能力目標(biāo)EnableSstoknowhowtoguessthenewwordsaccordingtothepassage.EnableSstotalkaboutthescienceofthestars,thedevelopmentoflife.EnabletheSstounderstandthedetailsaboutthepassage.Enabl

5、etheSstoretellthepassageusingkeysentences.Emotiongoals感情目標(biāo)EnableSstothinkabouttheoriginoflifeontheearthandlearnhowtoprotecttheearth.1.2Important&difficultteachingpoints-授課重難點Importantteachingpoints教-學(xué)重點Howtotalkabouttalkabouttheoriginoflifeontheearth.Difficultteachingpoints-授課難點Howtounderstandtheori

6、ginoflifeontheearth.2.Studentanalysis學(xué)情解析2.1Fundamentalstate基本情況經(jīng)過第1課時的listeningandspeaking，學(xué)生對本單元的話題Astronomy:thescienceofthestars已有所認(rèn)識，并進一步豐富了一些有關(guān)天文學(xué)的信息和知識，同時激活了學(xué)生的思想，為本節(jié)課進行短文的閱讀和理解供應(yīng)了支撐。2.2Knowledgereserve知識儲備Studentsknowsomeknowledgeaboutspacebyspeakingandlisteninginperiodone.Whatarelearnedinper

7、iodonegetsSsinterestedinthetopicofthisperiod.2.3Classdata本班實質(zhì)3.Teachingmethods教法建議questionandanswermethod問答法，task-basedteachingmethod法，communicativeapproach交際法，situationalteachingapproach法,groupcooperationresearchapproach小組合作研究法任務(wù)型授課情況授課4.TeachingAids授課輔助blackboard,computeroripad,projector5.Teaching

8、procedures教-學(xué)進度5.1StepILeadingin&Pre-reading:ShowSstwopicturesaboutthebeginningoftheearth.1.Itisbelievedthat_createdhumanbeingsinthebible.2.Itissaidthat_createdhumansinChinasfairytales.(Teachersshowtwopicturestopresentsomecultureutsownhowidlifeasabobeganontheearth.)ShowanotherpictureofBigBang.(Teach

9、ersgetSstoreadthetitleandlookatthepicturesonP25-26.EnableSstopredictwhatthereadingwillbeabout.)5.2StepIIReadingpractice-閱讀訓(xùn)練Readthetextandunderstanditonthewhole.I.Readtofindoutthemainideaofeachparagraph.Whatis/arethekeyword(s)ofeachparagraph?Whatisthemainideaofeachparagraph?Keyword(s)ThemainideaPara

10、.1Para.2Para.3Para.4Para.5(GetSstoreadthetexttofindthekeywordsandthemainideaofeachparagraph.After8minutesdiscussingroupsandthenchecktheanswers.)Skimthereadingpassagetoputtheorderofdevelopmentoflifeintoatimeline.(After2minuteschecktheanswerswithSs.)Therightorder:10、7、3、8、4、9、6、1、5、2、12、11Scantofindth

11、especificinformation.forquestions1-3and5ofexercise3onP27.(TeachersguideSstoreadquestions1-3and5ofexercise3onP27first,andthenscanthetexttoanswerthequestions.After5minutes,checktheanswerswiththewholeclass.)Keys:1.Becausethewaterremainedontheearth.2.Becauseplantsprovideoxygenforanimalstobreathe.3.Becau

12、sedinosaursdiedoutlongbeforehumanbeingsdevelopedontheearth.5.Humanbeingscausedglobalwarming.5.3StepIIITextinterpretation-文本解讀Furtherunderstanding深-層理解(TeachersguideSstounderstandthetextbydecidingTrueorFalse).1.TrueorFalse:Thetheoryisgenerallyacceptedthattheuniversebeganithwa“BigBang”.Itwasuntilbetwe

13、en4.5and3.8billionyearsagothatwhattheearthwastobecome.Liketheearth,waterwasfundamentaltothedevelopmentoflifeonMars.Thelifeonlandappearedearlierthanthatinoceansandseas.Humanshaveknownwhydinosaurssuddenlydisappeared.Theearthwillbecometoohottoliveon,unlesshumanslookaftertheearthverywell.Accordingtothet

14、ext,humanbeingswoulddisappearintheend.Mammalsappearedafterthedevelopmentofdinosaurs.Key:TFFFFTFTDifficultsentencestructure-難句理解與運用(CompletethesentencesandunderstandtheminEnglishorChinese.)(1)Fillintheblankswithproperwordsortheproperformofthewordgiven.Whatitwastobecomewasuncertainuntilbetween4.5and3.

15、8billionyearsago_thedustsettledintoasolidglobe.Itwasnotimmediatelyobvious_waterwasfundamentaltothedevelopmentoflife.Afterthat,somehugeanimals,_(call)dinosaurs,developed.So_lifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.Theywereintime_(produce)carbon,nitro

16、gen,watervapourandothergases.(2)Completethesentences.Asaresultofthis,manyscientistsbelievethat_(地球會變得太熱而不能夠居住).Theearthbecamesoviolentthatitwasnotclearwhethertheshapewouldlastornot.Emotion&science-感情與科學(xué)(TeachersguideSstodiscussingroupsandreporttheirdiscussionstothewholeclass.)Howlifebeganonearthisoneofthebiggestpuzzlesthatscientistsfoundhardtosolve.Whatotherpuzzlesarehiddeninthepassage?Findthemoutanddosomeresearch.puzzles:_Inordertomakelifecontinueontheearth,whatwehumansshoulddoatpresent?Weshould_5.4StepIVT