Unit4Astronomy:thescienceofthestarsPart1:TeachingDesignPeriod1:Asamplelessonplanforreading(HOWLIFEBEGANONTHEEARTH)AimsTodevelopthestudents’readingabilityTolearnsomethingaboutastronomyProceduresI.WarmingupbylearningvocabularyGoodmorning,class!Today,waregoingtotakeUnit4Astronomy:thescienceofthestars.Beforewereadthetext,let’sturntopage99andgetfamiliarizedwiththevocabularyfirst.Payattentiontothemakingoftheword.Studytheprefixes,rootsandsuffixesinthewords.AstronautYangLiweiII.Pre-reading1.LookingandsayingHaveyoueverwonderedhowtheuniversebegan?WellI'msureyoumayhavemanyanswerstothisquestion,butIhaveonethatperhaps,youmaynothaveheardofyet.Iwillbegivingyoumytheoryonthissubject.Nowlookatthescreenandlistentometellingyousomethingexciting.科学家透露：宇宙可能有两个我们的宇宙和一个"隐藏的"宇宙共同"镶嵌"在"五维空间"中。在我们的宇宙早期，这两个宇宙发生了一次相撞事故，相撞产生的能量生成了我们宇宙中的物质和能量。2.TalkingandsharingDoyouknowhowtheuniversebegan?Inthe1920sinCalifornia,astronomerEdwinHubbleobserveddistantgalaxiesusinganextremelypowerfultelescope.Hemadetwomind-boggling(unbelievable)discoveries.First,HubblefiguredoutthattheMilkyWayisn’ttheonlygalaxy.Herealizedthatfaint,cloud-likeobjectsinthenightskyareactuallyothergalaxiesfar,faraway.TheMilkyWayisjustoneofbillionsofgalaxies.Second,Hubblediscoveredthatthegalaxiesareconstantlymovingawayfromeachother.Inotherwords,theuniverseisexpanding.Thebiggestthingthatweknowaboutisgettingbiggerallthetime.Afewyearslater,BelgianastronomerGeorgesLemaîtreusedHubble‘samazingdiscoveriestosuggestananswertoabigastronomyquestion:“Howdidtheuniversebegin?”III.Reading1.ListeningandreadingaloudNowpleaselistentotherecordingandthenreadthetextaloud.Payattentiontohowthenativespeakerisreadingalongandwherethepauses用心爱心专心116号编辑arewithineachsentence.Iwillplaythetapetwiceandyoushallreadaloudtwice,too.2.ReadingandunderliningNextyouaretoreadandunderlinealltheusefulexpressionsorcollocationsinthepassage.Copythemintoyournotebookafterclassashomework.CollocationsfromHOWLIFEBEGANONTHEEARTHacloudofenergeticdust具有能量的尘埃,combineinto…合成……,movearoundthesun环绕太阳运转,becomeviolent变得激烈,thesolidsurface固体表面,explodeloudly猛烈爆炸,intime及时，最终,producethewatervapor产生水蒸汽,maketheearth’satmosphere构成了地球的大气层,cooldown冷却,onthesurface在表面,bedifferentfrom…与……不同,goroundthesun环绕太阳运转,disappearfrom…从……消失,stayon…存留在……,showone’squality显现某人的特性,dissolveharmfulgases分解，溶解有害气体,becomepartof…变成……的一部分,developlife发展生命,growinthewater在水里生长,fill…with…用……来填充……，充满了……,encouragethedevelopmentof…鼓励……的发展,millionsofyearslater几万年以后,liveonland在陆地上生活,liveinthesea在海里生存,growintoforests长成森林,produceyoung生出幼仔,layeggs下蛋,animalswithhandsandfeet长着手脚的动物,spreadallovertheearth遍布全世界,developnewmethods发展了新的方法,growfood种植,movearound迁徙,goby过去，推移,takecareof…在意……，照看好……,put…into…把……带入，放入……,prevent…from…防止……做……,escapefrom…into…从……逃离到……,becomehot变热,dependon….依靠，依赖，取决与……,solveaproblem解决一个问题3.ReadingandunderstandingdifficultsentencesSkimthetextandidentifythedifficultsentencesofeachparagraph.Youmayputyourhandupifyouhaveanyquestions.4.ReadingandtransferringinformationReadthetextagaintocompletet...
