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astronomythescienceofthestars presentedbyzhongqiuqiong thesun star theearth planet themoon satellite thesolarsystem canyounameothers mercury venus mars jupiter saturn uranus neptune themilkyway theuniverse astronomyisthescientificstudyoftheuniverseandtheheavenbodies suchasthesun themoon andstars gas anddustwithinit howlifebeganontheearth chinesemythology panguseparatedtheskyfromtheearth chinesemythology nuwamadehumanbeings bible godcreatedtheworld scientifictheory bigbang 1streading tape task1 fillintheblankstask2 tellthemainideaofeachpara bigbang happened begantoformandcombineafterseveralbillionyearstheearth acloudof 4 5 3 8billionyearsagotheearth a globe appearedmanymillionsofyearslater startedtodevelopabout2 6millionyearsago appeared task1 fillintheblanks atoms dust solid water life humanbeings task2 tellthemainideaofeachpart para1para2para3para4para5 a theimportanceofwaterforlifeb theformationoftheearthc thearrivalofhumanandtheirimpactontheearthd awidelyacceptedtheoryabouttheformationoftheuniversee thedevelopmentofplantsandanimalsontheearth 2ndreading task1 theformationoftheearth satmospheretask2 thedevelopmentoflife reason theearth loudlywithfireandrock ingredients nitrogen water andother results theearth downandwaterbegantoappearonits task1 theformationoftheearth satmosphere exploded carbon vapour gases cooled surface 2 1smallplantsinwater 3greenplantsonland 45 6forests 789 2shellfishandallsortsoffish 4insects onland 5amphibians onlandandinwater 7reptiles onland 8dinosaurs onland 9mammals onland task2 theprocessofevolution revision madeitpossibleforlifetobegintodevelop water plantsencouragedthedevelopmentof earlyshellfishandallsortsoffish later appeared landanimals insects amphibians whenplantsgrewintoforests appearedforthefirsttime reptiles somehugeanimals called developed dinosaurs whendinosaursdisappeared becamemoreimportant mammals smallcleveranimalswithhandsandfeet humanbeings toomuchcarbondioxide toohottolive whatwillhumando discussion usefulwords environment pollution p

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