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内蒙古准格尔旗世纪中学人教新课标高中英语必修三Unit 4 Astronomy the science of the stars 课件1

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    • 1、Unit4Astronomy thescienceofthestars Warmingup medicinebiologychemistry astronomyphysicsmathematics geophysicsgeologyphysics biochemistrybiologychemistry Astronomyisthescientificstudyoftheuniverseandtheheavenbodies suchasthesun themoon andstars gas anddustwithinit astronomer Solarsystem 1 Doyouknowhowdidtheuniversebegin Eachreligionorculturehasitsownideasaboutthebeginningoftheuniverse Pre reading Panguseparatestheskyfromtheearth Panguseparatestheskyfromtheearth Panguseparatedtheearthandskywithana

      2、x Afterhedied hisbreathbecamewindandcloud hisvoicebecamethunderandhislefteyesunandrightonemoon armsandlegsbecameedgesandmountains bloodbecameriversandtendon 筋脉 becameroads musclesbecamefieldsandhairstars teethandbonesbecamemetals pearlsandjade sweatbecamerain Reading HowLifeBeganontheEarth Doyouknowtheoriginofthehumanbeings Manhadevolvedfromapes Earth Howlifebeganontheearth TheBigBang water Plantsinthewater Shellfishandfish Plantsonland Insectsandamphibians Reptiles Dinosaurs Mammals water green

      3、plantsonland 2 34 Howlifebeganontheearth Analysing 5678 forests shellfishandallsortsoffish insects onland amphibians onlandandinwater reptiles onland dinosaurs onland mammals onland smallcleveranimalswithhandsandfeethuman smallplantsinwater 1 AcloudofdustCombineintoasolidballExplode withfire rock produceH2O CO2 O2 N2 othergases atmosphere Cooldown waterappeared dissolveharmfulgasesinto Lifebegan Lifedeveloped Thedevelopmentoflife Scanning 1 Whatwasproducedwhentheearthexploded 2 Howdidwatercomein

      4、tobeingontheearth 3 Wheredidlifefirstbegin onthelandorinthesea 4 Whyweremammalsdifferentfromotheranimals 1 Whatwasproducedwhentheearthexploded Watervapour carbondioxide oxygen nitrogenandothergases 2 Howdidwatercomeintobeingontheearth Theexplosionoftheearthproducedwatervapor whichturnedintowaterwhentheearthcooleddown 3 Wheredidlifefirstbegin onthelandorinthesea Inthesea Becausewaterdissolvedharmfulgasesandmadeitpossibleforlifetobegin 4 Whyweremammalsdifferentfromotheranimals Becausetheyproducedt

      5、heiryoungfromwithintheirbodies CarefulReadingFinishthecomprehendingonpage27 Thinkaboutwhatyouhavereadandmakechoices Whywastheearthdifferentfromotherplanets Aitproducedalotofheat B Thewaterremained CWaterdisappeared D Itwastheoldestplanet Whywaslifeabletodevelopontheearthbutnotonotherplanets ATheearthhadasolidshape B Theearthdidnothaveharmfulgasesinitsatmosphere CThewaterstayedontheearthbutnotonotherplanets D Theearthwasnottoohotandnottoocold Whywasitnecessaryforplantstogrowbeforeanimals AAnimals

      6、neededplantstoprotectthemfromthesun BPlantsprovidedoxygenforanimalstobreathe CAnimalscouldhidefromhuntersinforest DItwaseasierforplantstogrow Whatproblemiscausedbyhumanbeing ATheyexisteverywhereontheearth BTheycauseglobalwarming CTheyfindnewmethodsofgrowingcrops DTheyenjoyhuntingandfishing TextRetelling Theexplosionoftheearthproduced whichturnedintowaterwhentheearthcooleddown Waterallowedtheearthto harmfulgasesintotheoceansandseas Thatmadeitpossiblefor tobegintodevelop Thearrivalofsmall encourag

      7、edthedevelopmentofearly andallsortsoffish Manymillionsofyearslaterthefirstgreenplantsbegantoappearonland water vapour dissolve life plants shellfish Laterlandanimalsappeared Somewere Others called wereabletoliveonlandaswellasinthesea Whentheplantsgrewintoforests appearedforthefirsttime Then developed whichbecamethemostimportantanimalsontheearthformillionsofyears Aftertheydisappeared becamemoreimportant TextRetelling insects amphibians reptiles dinosaurs mammals Theywerethelastgroupofanimalsandth

      8、eyweredifferentbecausethey theiryoungfromwithintheirbodies Smallcleveranimals withhandsandfeet and allovertheearth Astimewentby theycoveredtheearthandhavebecomethemostimportantanimalsontheplanet TextRetelling produced appeared spread Languagepoints 1 Itexplodedloudlywithfireandrock whichwereintimetoproducethewatervapour 1 使某物 炸开 爆炸 2 指感情 激发 3 指人口 突然或迅速增加 Thefireworkexplodedinhishandandhewashurtseriously Iwasfrightenedwhensheexplodedintoloudlaughter Nowitisnoteasytofindjobswiththeexplodingpopulat

      9、ion explosionn 爆炸 声 explosiveadj 爆炸性的 易爆炸的n 炸药 爆炸物 2 Nobodyknewthatitwasgoingtobedifferentfromotherplanetsgoingroundthesun bevery much quite entirely totallydifferentfrom与 不同 Citylifeisquitedifferentfromcountrylife 1 城市生活和农村生活很不同 2 他们的品位和我不同 Theirtastesaredifferentfrommine Therearedifferencesbetween and 与 之间有不同之处tell from 把 与 区分开来thesameas 与 一样besimilarto与 相似 3 Itallowstheearthtodissolveharmfulgases which allowvt 允许 许可 容许allow n pron doingallowsb todobeallowedtodo Myfatherdoesn tallowsmokingatho

      10、me Infacthedoesn tallowustosmokeanywhereatanytime 父亲不允许在家里吸烟 实际上 他不允许我们在任何地方任何时候吸烟 Areweallowedtousethecomputer 我们可以用电脑么 4 Thisencouragedthedevelopmentofearlyshellfishandallsortsoffish encourage鼓舞 促进 怂恿 后接名词 代词 也可接不定式作宾语补足语 如 Highpricesforcornandwheatwillencouragefarming 玉米和小麦的高价将促进农业的发展 Mysuccessencouragedmetocontinue 我的成功鼓励我继续干下去 Heencouragedmetolearndancing 他鼓励我去学跳舞 5 Manymillionsofyearslaterthefirstgreenplantsbegantoappearonland late adj 迟到的 晚的 前任的 以前的 已故的 later adv 后来 较晚时候 过后adj late的比较级 更迟

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