Unit4Astronomythescienceofthestars備課資料Period2（新人教版必修3）【課前預(yù)習(xí)】和你的同桌討論以下短語(yǔ)的意思around______________2.accordingto…________________3.ime_______________5.cooldown_______________6.befundamentalto…_______________________7.achainaction__________________8.makeitpossiblefor…todo…_____________________9.givebirthto…__________________10..prevent…from____________________【課內(nèi)探究】Step1:學(xué)課文查短語(yǔ)1.太陽(yáng)系______________2.及時(shí)，終于_______________3.下蛋_____________________4.產(chǎn)生____________________5.輪到某人接著________________6.冷卻________________7.一團(tuán)塵埃____________________8.與。。不同_____________________9.生命的開(kāi)始____________________10.允許某人干某事_________________11.在什么的表面________________12.考慮_____________________13.。。。。的一部分_________________14.繞。。。運(yùn)轉(zhuǎn)_____________15.對(duì)。。。感興趣_________________16.將。。。配對(duì)_____________________17.注意_____________________18.贊同，同意___________________正相反，與此相反____________20.阻止，制止_______________________21.朝四面八方________________22.從。。。中逃脫______________23.依靠，取決于____________24.由于____________25.連鎖反應(yīng)____________26.對(duì)。。有害_______________27.環(huán)繞圍繞___________________28.滅絕__________________29.擋住光線______________30.解釋____________31.熟悉，掌握，理解______________32.首次，第一次_______________33.水蒸氣____________________34.在。。。和。。之間_____________35顯然____________36.是。。的基礎(chǔ)__________37.成百萬(wàn)的_______________38.在陸地上__________39.恐龍時(shí)代___________40.在過(guò)去_____________Step2:Readeachparagraphcarefully,thenfindoutthedifficultsentencesandtranslatethem.(找出并翻譯)Accordingtoawidelyacceptedtheory,theuniversebeganwitha“BigBang”thatthrewmatterinalldirection.________________________________________________________________________________________________________________________________________________________________________Whatiswastobecomewasuncertainuntilbetweenandbillionyearsagowhenthedustsettledintoasolidglobe.____________________________________________________________________________________Theearthbecamesoviolentthatitwasnotclearwhethertheshapewouldlastornot.____________________________________________________________________________________Whatisevenmoreimportantisthatastheearthcoulddown.____________________________________________________________________________________Whatmanyscientistsbelieveisthatthecontinuedpresenceofwaterallowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas.____________________________________________________________________________________Thisproducedachainreaction,whichmadeitpossibleforlifetodevelop.____________________________________________________________________________________Whytheysuddenlydisappearedstillremainsamystery.____________________________________________________________________________________Theyareputtingtoomuchcarbondioxideintotheatmospherewhichpreventsheatfromescapingfromtheearthintospace.____________________________________________________________________________________Sowhetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.____________________________________________________________________________________Manyscientistsbelievetheearthmaybecometoohottoliveon.____________________________________________________________________________________【Homework】運(yùn)用文章中詞匯，短語(yǔ)，翻譯下列句子。生命開(kāi)始出現(xiàn)在地球上。__________________________________________________________地球上太熱而不能生存。__________________________________________________________是否我們將依靠于大氣。__________________________________________________________這些阻止熱量升起。______________________________________________________________為什么他們不來(lái)依然是個(gè)謎。____