人教高中英语必修3Unit4Reading优秀课件26

Book3Unit4Astronomy:thescienceofthestarsReading:Howlifebeganontheearth1、Grasp(掌握)themainwordsandphrasesthatarerelevanttothistext,understandthegeneralinformationabouthowearthbeganandhowlifebeganontheearthbyreading.Learningaims:2、Cultivate（培养）theabilityofskimming,scanning,searchingforthemainideainashorttimeandthespeakingability.3、Realizetheimportanceofprotectingourhome---earth.水星

金星地球火星木星土星天王星海王星RevisionPlutoScientistsnowthinkPlutoistoosmalltobecalledaplanet.HowlifebeganontheearthReadingHowdidlifebeginontheearth?InChineseculture:Panguseparatedtheskyandtheearth;Nvwamadehumanbeingswithclay(黏土).Howdidlifebeginontheearth?InWesternculture:Godcreatedtheworldin7days.Onthe6thday,hecreatedhumans:AdamandEve

Allbeganwitha“BigBang

”(大爆炸)Howdidlifebeginonearth?AccordingtoawidelyacceptedtheoryBigBang?universeformationearthformationimportancewaterdevelopmentplantsanimalshumansarrivalinfluenceDevelopmentoflifeDevelopmentofearth-----whichmadeitpossibleforlifetodevelopDevelopmentofearth:P1-3globeDevelopmentoflife:P4-5

Afterwaterappeared,smallplantsappeared_______________________,whichencouragedthedevelopmentof_____________________.shellfishandallsortsoffishonthesurfaceofthewaterNext,greenplantsbegantogrow________aswellas__________------_________and___________,whichcanlivebothonlandandinthewater.amphibiansonlandlandanimalsinsects

Later,whenplantsgrewinto______,______appearedforthefirsttime.Somehugeanimals,called_________,developed,theyproducedyoungbylayingeggs.reptilesdinosaursforestsWhatkindofanimalsdevelopedafterdinosaurs?About65millionyearsago,dinosaursdisappeared,afterthat,_________becamemoreimportant.mammalscameintobeingandspreadallovertheworld.Whatkindofanimalsdevelopedaftermammals?

HumansTheydevelopednewmethodsofgrowingfood,huntingandmovingaround.Astimewentbytheycoveredtheearthandhavebecomethemostimportantanimalsontheplanet.

smallcleveranimalsConsolidationWorkinpairstofindouttherightanswerofeachquestion.Thentelluswheredidyoufindtheanswer.1.Accordingtoawidelyacceptedtheory,theuniversebeganwith_____A.alegendB.astoryC.a“BigBang”D.anearthquake2.Theearthatfirstwasjustacloudof____,thenitsettledintoasolid____.Atlastitexplodedloudlywith____and____.Choosetherightorderoftheanswers.globe→rock→fire→dustdust→globe→fire→rockdust→fire→rock→globefire→rock→dust→globe3.Whichisnotthemattertomaketheearth’satmosphere?A.carbondioxideB.nitrogenC.atomsD.watervapour4.Inwhichplanetshadwaterappeared?A.VenusandEarthB.MarsandSaturnC.EarthandMarsD.JupiterandEarth5.Whatmadeitpossibleforlifetodevelopontheearth?theoceansandseasB.presenceofwaterC.achainreactionD.gasesandacidConsolidation︹Now,I’mworriedaboutthefutureofmyselfandhumans…Asastudent,whatlittlethingscanwedofortheearth?DiscussionWhatcanwedototakecareoftheearth?use

solarenergypurify(净化)air

planttreessavewaterrecycle（循环）rubbishpreventdesertification（荒漠化）useclothbagsuseplastic(塑料的)bagstakeabustogotoschoolridebikestogotoschooltakeacartogotoschoolsetofffireworkssavepaperturnoffthetap(水龙头)afterusingturnofflightsontimeeatmoremeatprotectanimalsManhasbutoneearth!Tosavetheearthistosaveourselves!ourhomeSummaryformationformationimportancedevelopmentarrivalinfluenceuniverseearthwaterplantsanimalshumansHomework1.Writeashortpassageabouthowtoprotecttheearth.2.Readandretellthepassagetolearnthemainanddifficultlanguagepoints.1.美育包括美术教育和审美教育,文化是美育的底色和灵魂,不能忽视文化精神的培养。

2.欣赏中国绘画,应该了解其中计白当黑、浓淡生趣、意境天成等艺术手法和精神追求。

3.美育在中国近代历史上是一个很重要的概念,一直承载了爱国救亡、除弊振新的重任。

4.当下美育应重传统轻西方,融汇西方与民族、古典与现代的文化,形成好的审美教育体系。5.要推动人工智能规模化应用,就必须推动人工智能与各行业融合创新,在制造、农业、物流、金融等重点行业和领域开展人工智能应用。6.美国各执行机构每年与白宫主管预算科技政策办公室