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1、Unit4Readingpractice名师教学设计1.TeachingAnalysis教情分析1.1Teachingobjectives-教学目标1.1.1Languagetarget语言目标1.1.1.1Keywords&expressions重点词汇和短语1.1.1.1.1Forapplying:theory,billion,violent,atmosphere,unlike,fundamental,harmful,chain,thus,puzzle,biology,biologist，intime,givebirthto,inonesturn,prevent.from;1.1.1.1.
2、2Forcomprehending:atom,globe,global,carbon,vapour,presence,dissolve,acid,reaction,multiply,oxygen,mammal,dioxide，layeggs,carbondioxide;1.1.1.1.3Forrecognizing:BigBang,nitrogen,shellfish,amphibian;1.1.1.2Sentencestructures:Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsagowhenthedustse
3、ttledintoasolidglobe.Itwasnotimmediatelyobviousthatwaterwasfundamentaltothedevelopmentoflife.Afterthat,somehugeanimals,calleddinosaurs,developed.Sowhetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.Theywereintimetoproducecarbon,nitrogen,watervapourando
4、thergases.Asaresultofthis,manyscientistsbelievethattheearthmaybecometoohottoliveon.Theearthbecamesoviolentthatitwasnotclearwhethertheshapewouldlastornot.1.1.2Abilitygoals能力目标1.1.2.1EnableSstoknowhowtoguessthenewwordsaccordingtothepassage.1.1.2.2EnableSstotalkaboutthescienceofthestars,thedevelopmento
5、flife.1.1.2.3EnabletheSstounderstandthedetailsaboutthepassage.1.1.2.4EnabletheSstoretellthepassageusingkeysentences.1.1.3Emotiongoals情感目标EnableSstothinkabouttheoriginoflifeontheearthandlearnhowtoprotecttheearth.1.2Important&difficultteachingpoints-教学重难点1.2.1Importantteachingpoints教-学重点Howtotalkabout
6、talkabouttheoriginoflifeontheearth.1.2.2Difficultteachingpoints-教学难点Howtounderstandtheoriginoflifeontheearth.2.Studentanalysis学情分析2.1Fundamentalstate基本情况通过第1课时的listeningandspeaking，学生对本单元的话题Astronomy:thescienceofthestars已有所了解，并进一步丰富了一些有关天文学的信息和知识，同时激活了学生的思维，为本节课进行短文的阅读和理解提供了支撑。2.2Knowledgereserve知识储
7、备Studentsknowsomeknowledgeaboutspacebyspeakingandlisteninginperiodone.WhatarelearnedinperiodonegetsSsinterestedinthetopicofthisperiod.2.3Classdata本班实际3.Teachingmethods教法建议questionandanswermethod问答法，task-basedteachingmethod任务型教学法，communicativeapproach交际法，situationalteachingapproach情景教学法,groupcooperat
8、ionresearchapproach小组合作探究法4.TeachingAids教学辅助blackboard,computeroripad,projector5.Teachingprocedures教-学进程5.1StepILeadingin&Pre-reading:5.1.1ShowSstwopicturesaboutthebeginningoftheearth.1.Itisbelievedthat_createdhumanbeingsinthebible.2.Itissaidthat_createdhumansinChinasfairytales.(Teachersshowtwopictu
9、restopresentsomeculturebeganontheearth.)utsownhowidlifeasabo5.1.2ShowanotherpictureofBigBang.(TeachersgetSstoreadthetitleandlookatthepicturesonP25-26.EnableSstopredictwhatthereadingwillbeabout.)5.2StepIIReadingpractice-阅读训练5.2.1Readthetextandunderstanditonthewhole.I.Readtofindoutthemainideaofeachpar
10、agraph.Whatis/arethekeyword(s)ofeachparagraph?Whatisthemainideaofeachparagraph?Keyword(s)ThemainideaPara.1Para.2Para.3Para.4Para.5(GetSstoreadthetexttofindthekeywordsandthemainideaofeachparagraph.After8minutesdiscussingroupsandthenchecktheanswers.)5.2.2Skimthereadingpassagetoputtheorderofdevelopment
11、oflifeintoatimeline.(After2minuteschecktheanswerswithSs.)Therightorder:10、7、3、8、4、9、6、1、5、2、12、115.2.3Scantofindthespecificinformation.forquestions1-3and5ofexercise3onP27.(TeachersguideSstoreadquestions1-3and5ofexercise3onP27first,andthenscanthetexttoanswerthequestions.After5minutes,checktheanswersw
12、iththewholeclass.)Keys:1.Becausethewaterremainedontheearth.2.Becauseplantsprovideoxygenforanimalstobreathe.3.Becausedinosaursdiedoutlongbeforehumanbeingsdevelopedontheearth.5.Humanbeingscausedglobalwarming.5.3StepIIITextinterpretation-文本解读5.3.1Furtherunderstanding深-层理解(TeachersguideSstounderstandthe
13、textbydecidingTrueorFalse).1.TrueorFalse:Thetheoryisgenerallyacceptedthattheuniversebeganithwa“BigBang”.Itwasuntilbetween4.5and3.8billionyearsagothatwhattheearthwastobecome.Liketheearth,waterwasfundamentaltothedevelopmentoflifeonMars.Thelifeonlandappearedearlierthanthatinoceansandseas.Humanshaveknow
14、nwhydinosaurssuddenlydisappeared.Theearthwillbecometoohottoliveon,unlesshumanslookaftertheearthverywell.Accordingtothetext,humanbeingswoulddisappearintheend.Mammalsappearedafterthedevelopmentofdinosaurs.Key:TFFFFTFT5.3.2Difficultsentencestructure-难句理解与运用(CompletethesentencesandunderstandtheminEnglis
15、horChinese.)(1)Fillintheblankswithproperwordsortheproperformofthewordgiven.Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsago_thedustsettledintoasolidglobe.Itwasnotimmediatelyobvious_waterwasfundamentaltothedevelopmentoflife.Afterthat,somehugeanimals,_(call)dinosaurs,developed.So_life
16、willcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.Theywereintime_(produce)carbon,nitrogen,watervapourandothergases.(2)Completethesentences.Asaresultofthis,manyscientistsbelievethat_(地球会变得太热而不能居住).Theearthbecamesoviolentthatitwasnotclearwhethertheshapewouldlastor
17、not.5.3.3Emotion&science-情感与科学(TeachersguideSstodiscussingroupsandreporttheirdiscussionstothewholeclass.)1.Howlifebeganonearthisoneofthebiggestpuzzlesthatscientistsfoundhardtosolve.Whatotherpuzzlesarehiddeninthepassage?Findthemoutanddosomeresearch.puzzles:_2.Inordertomakelifecontinueontheearth,whatw
18、ehumansshoulddoatpresent?Weshould_5.4StepIVTalkingandsharing-讨论与分享（含自我总结与评价）5.4.1GuideSstodoself-evaluation:WhathaveIlearntinthisperiod?WhatamIstillconfusedabout?Whatshoulddotomakethemclear?6.Homework课后作业Searchformoreinformationaboutotherideasontheoriginoflifeontheearth.Comparethemwiththetheorylearnedinthetext.