2023学年完整版Unit4Astronomythescienceofthestars备课资料6

Unit4Astronomythescienceofthestars备课资料Period2（新人教版必修3）【课前预习】和你的同桌讨论以下短语的意思around______________2.accordingto…________________3.ime_______________5.cooldown_______________6.befundamentalto…_______________________7.achainaction__________________8.makeitpossiblefor…todo…_____________________9.givebirthto…__________________10..prevent…from____________________【课内探究】Step1:学课文查短语1.太阳系______________2.及时，终于_______________3.下蛋_____________________4.产生____________________5.轮到某人接着________________6.冷却________________7.一团尘埃____________________8.与。。不同_____________________9.生命的开始____________________10.允许某人干某事_________________11.在什么的表面________________12.考虑_____________________13.。。。。的一部分_________________14.绕。。。运转_____________15.对。。。感兴趣_________________16.将。。。配对_____________________17.注意_____________________18.赞同，同意___________________正相反，与此相反____________20.阻止，制止_______________________21.朝四面八方________________22.从。。。中逃脱______________23.依靠，取决于____________24.由于____________25.连锁反应____________26.对。。有害_______________27.环绕围绕___________________28.灭绝__________________29.挡住光线______________30.解释____________31.熟悉，掌握，理解______________32.首次，第一次_______________33.水蒸气____________________34.在。。。和。。之间_____________35显然____________36.是。。的基础__________37.成百万的_______________38.在陆地上__________39.恐龙时代___________40.在过去_____________Step2:Readeachparagraphcarefully,thenfindoutthedifficultsentencesandtranslatethem.(找出并翻译)Accordingtoawidelyacceptedtheory,theuniversebeganwitha“BigBang”thatthrewmatterinalldirection.________________________________________________________________________________________________________________________________________________________________________Whatiswastobecomewasuncertainuntilbetweenandbillionyearsagowhenthedustsettledintoasolidglobe.____________________________________________________________________________________Theearthbecamesoviolentthatitwasnotclearwhethertheshapewouldlastornot.____________________________________________________________________________________Whatisevenmoreimportantisthatastheearthcoulddown.____________________________________________________________________________________Whatmanyscientistsbelieveisthatthecontinuedpresenceofwaterallowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas.____________________________________________________________________________________Thisproducedachainreaction,whichmadeitpossibleforlifetodevelop.____________________________________________________________________________________Whytheysuddenlydisappearedstillremainsamystery.____________________________________________________________________________________Theyareputtingtoomuchcarbondioxideintotheatmospherewhichpreventsheatfromescapingfromtheearthintospace.____________________________________________________________________________________Sowhetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.____________________________________________________________________________________Manyscientistsbelievetheearthmaybecometoohottoliveon.____________________________________________________________________________________【Homework】运用文章中词汇，短语，翻译下列句子。生命开始出现在地球上。__________________________________________________________地球上太热而不能生存。__________________________________________________________是否我们将依靠于大气。__________________________________________________________这些阻止热量升起。______________________________________________________________为什么他们不来依然是个谜。____