欢迎来到天天文库
浏览记录
ID:44045520
大小:2.77 MB
页数:34页
时间:2019-10-18
《新人教必修三 Unit 4 Astronomy-The Science of The Stars[阅读课件]》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、WelcomeUnit4Astronomy:thescienceofthestarssolarsystem太阳系SunVenusMercuryMarsJupiterSaturnEarthPlutoNeptuneUranusButscientistsnowthinkPlutoistoosmalltobecalledaplanet.Pre-readingDoyouknowhowourlifebeganontheearth?Doyouknowanyancientideaaboutthebeginningoftheuniverse?BigBangHOWLIFEBEGANONTHEEART
2、H?Reading1.Whatistheoriginalearth’satmospheremadeupof?2.Whatisthefundamentaltothedevelopmentoflife?3.Whichkindoflife-beingfirstappearedontheearth,plantsoranimals?4.MainideaofeachparagraphScanningScanthepassagequicklytoanswerthefollowingquestions.carbon,nitrogen,watervapour,andothergases2.whati
3、sfundamentaltothedevelopmentoflife?Water1.Whatistheoriginalearth’satmospheremadeupof?3.Whichkindoflife-beingfirstappearedontheearth,plantsoranimals?Why?Atfirst,smallplantsbegantoappearonthesurfaceofthewater,theyproduceoxygen,whichencouragedthelaterdevelopmentofearlyshellfishandallsortsoffish.4
4、.Choosethemainideaforeachparagraph()Thearrivalofhumansandtheirimpactontheearth.()Theformationoftheearth.()Thedevelopmentofplantsandanimalsontheearth.()Awidelyacceptedtheoryabouttheformationoftheuniverse.()Theimportanceofwaterforlife.54213PassagestructureMainbodyPara1:Para2:Para3:Para4:Para5:Aw
5、idelyacceptedtheoryabouttheformationoftheuniverse.Theformationoftheearth.Theimportanceofwaterforlife.Thedevelopmentofplantsandanimalsontheearth.Thearrivalofhumansandtheirimpactontheearth.Readthepassagecarefullyandanalyseitsstructure:earth,atmosphereandwaterlifedevelopmentHumanbeings()Insectsan
6、damphibiansappeared.()Dinosaursappeared.()Theearthbecameasolidball.()Smallplantsgrewonthewater.()Reptilesappeared.()Plantsbegantogrowondryland.()Theearthwasacloudofdust.()Waterappearedontheearth.()Shellfishandotherfishappeared.()Theuniversebeganwitha“BigBang”.()Cleveranimalswithhandsandfeetapp
7、eared.()Mammalsapeared.5106)2948371DetailedreadingPuttheorderofdevelopmentoflifeintoatimeline.1211PostreadingAfterreadingthepassage,discussthefollowingquestions.1.Whywastheearthdifferentfromtheotherplanets?2.Whyisitwrongtoshowfilmswithd
此文档下载收益归作者所有