【新课标】人教版高中英语必修3Unit 4 Astronomy-Reading[阅读课件]

astronomer进化(MTV).flv1Doyouknowwhichoneisnotamammal哺乳动物?2Snakesandtortoisesbelongto_____,whilefrogsandtoadsbelongto__.Aamphibians两栖动物Breptiles爬行动物koalaWaterAirLife?3HowLifeBeganontheEarth：Whichcamefirst?HowLifeBeganontheEarthReading.mp3Paragraph1:Paragraph2:Paragraph3:Paragraph4:Paragraph5:AwidelyacceptedtheoryabouttheformationoftheuniverseTheformationoftheearthTheimportanceofwaterforlifeThedevelopmentofplantsandanimalsontheearthThearrivalofhumansandtheirimpactontheearthMatchthemainideaofeachparagraph.FastreadingTrueorfalse1.Accordingtoawidelyacceptedtheory,theuniversebeganwitha“BigBang”,afterwhichtheearthwasstillacloudofdustforseveralbillionyears.2.Astheearthcooleddown,waterbegantoappearonitssurface.3.Waterallowedtheearthtodissolveharmfulgasesandacids,anditonlyappearedontheearth.4.Asformammals,theyproducedyounggenerallybylayingeggs.5.Cleveranimalswithhandsandfeet,intheirturn,areprotectingtheearthwellinsteadofotherlessimportantanimals.NewsconferencePlace：Newsconference记者招待会Event：TenastronomersanswerquestionsTopic：HowlifebeganontheearthRules:1.GirlgroupandBoygroup2.Fivestudentsofeachgroupcometothefronttocompeteforansweringquestionsmadebythereststudents.Scores:FivescoreseachtimeGift1Gift21WhathappenedafterBigBang?2Whathappenedbetween4.5and3.8billionyearsago?3Whatweretomaketheearth’satmosphere?4Whywaterwasimportantformakingitpossibleforlifetodevelop?5Didplantsappearfirstoranimalscomefirst?Andwhy?6Whichturnedupfirst:reptiles,mammalsoramphibians?7What’sthedifferencebetweenmammalsandreptiles?8Didairappearearlierthanwaterandlife?9Whatarehumanbeingsdoingatpresent?Gift1Gift2Gift1Gift2Cheerup!Allofyouhavedoneagoodjob!Weallknowourearthischangingworseandworse,thenwhatshouldwedotoprotectit?Nowlet’sshareMichaelJackson’sfeelingstowardthisproblem!EarthsongWriteacompositionaboutprotectingourearth.Astronomyisthescientificstudyoftheuniverseandtheheavenbodies(suchasthesun,theearth,themoon),gas,anddustwithinit.天文学是对宇宙及其内部的天体、气体和尘埃所做的科学研究。