浙江省温州市永嘉中学教育集团楠江校区高二英语 Unit 4 Astronomy the science of the stars reading课件.ppt

earth mercury水星 venus金星 mars火星 saturn土星 jupiter木星 uranus天王星 neptune海王星 solarsystem godcreatedtheworld panguseparatedtheskyfromtheearth nvwamadehumans howlifebeganontheearth pre reading wordstudy planet o2 co2 oxygen carbondioxide amphibian reptile mammal thebigbang atmosphere 1 whenwatergetshotterandhotter itwillturninto 2 studentsshouldn tsmoke becauseitis tohealth 3 ifyoustopsomebodydoingsomething you him doingit 4 ifyoucannotlivebyyourself youhaveto yourparents 5 thenewsoftheyushuearthquake quicklyalloverchina soweareverysad 6 thestormwasso thatlotsoftreeswereblowndown vapour harmful from prevent dependon spread violent while reading awidelyacceptedtheoryabouttheformationoftheuniverse theformationoftheearth theimportanceofwaterforlife thedevelopmentofplantsandanimalsontheearth thearrivalofhumansandtheirimpactontheearth readthetextquicklyandwritedownthemainideaforeachparagraph readinghowlifebeginontheearth readthefirst3paragraphsquicklyandfindoutwhatitismainlyabout thedevelopmentoftheearth readthefirst3paragraphscarefullyandfindouthowtheearthdevelopedstepbystep 1 whathappenedinthebeginning thebigbang 2 whathappenedseveralbillionyearsafterthebigbang acloudofdust aviolentsolidball explodedwithfireandrock producedwatervapourandgases 3 whathappenednext 4 whatdidthewatervapourandgasesform theearth satmosphere waterappeared 5 whatappearedontheearthafteritcooleddown 6 whatdidthewaterform oceansandseas thedevelopmentoflife readthelast2paragraphsquicklyandfindoutwhatitismainlyabout readthelast2paragraphscarefullyandfindouthowtheearthdevelopedstepbystep readpara4 5andfillintheblanks 45 6 78910 smallplantsinwater insects reptiles amphibians mammals dinosaurs humans plants animals greenplantsonland forests shellfishandallsortsoffish 3 2 1 whatmaybedifficultforyou 1 theywereintimetoproducecarbon nitrogen watervapourandothergases 2 theymultipliedandfilledtheoceansandseaswithoxygen 3 carbondioxidepreventsheatfromescapingfromtheearth 4 itwasnotimmediatelyobviousthatwaterwastobefundamentaltothedevelopmentoflife a increaseinnumber c stop keep from b important d afteralongperiodoftime a c d b whatmaybedifficultforyou trytofindasentencethatcanbereplacedbythefollowingone nowit stheirturntobethemostimportantanimalsontheplanet 2 translatethefollowingsentence itwasnotimmediatelyobviousthatwaterwastobefundamentaltothedevelopmentoflife theyhave intheirturn becomethemostimportantanimalsontheplanet itistheirturnto itwasclear obvious that 水会对生命的发展起关键作用 这一点在当时并不明显 thinkaboutwhatyouhavereadandanswerthequestions 1 whywastheearthdifferentfromtheotherplanets 3 whyisitwrongtoshowfilmswithdinosaursandpeopletogether 2 whydidtheplantsgrowbeforetheanimalscame becausethewaterremainedontheearth becausedinosaursdiedoutlongbeforehumanbeingsdevelopedontheearth becauseplantsprovideoxygenforanimalstobreathe 4 thereusedtobenineplanetsinthesolarsystem recentlyscientistshavedecidedthatoneofthemcannolongerbeconsideredaplanet doyouknowthenameofit doyouknowwhytheyremovedit 5 whoarethesmallcleveranimalswithhandsandfeet whatproblemiscausedbyhumanbeings thenameispluto scientistsnowthinkitistoosmalltobecalledaplanet theyarehumanbeings theycausesglobalwarming thinkaboutwhatyouhavereadandanswerthequestions summary theuniversebeganwitha b theearthwasacloudofdust theearthbecameasolidballthenite withfireandrock theyproducedcarbonandothergases whichmadetheearth sa whenitcooleddown waterappearedonthes thensmallgreenp grewonthewater andlatershellfishandotherfishappeared igbang xploded tmosphere urface lants summary whenplantsbegantogrowondryland insectsanda appeared forestsappearedbeforer appeared theyproducedyoungbyl eggs thend appearedinforests thedisappearanceofdinosaursmadetheriseoftheanimalscalled m atlastsmallcleveranimalsappeared andlatertheygrewintoh beings inosaurs aying mphibians eptiles ammals uman post reading wehaveonlyoneearth speaking whatshouldwedoforourearth youcanusethefollowingwordsorphrasestohelpyou prevent from harmfulglobalwarmingcarbondioxideinturndependonasaresultthusatmosphere speaking whatshouldwedoforourearth let stakepartintheactivitiestosavetheearth homework develop