2019_2020学年高中英语Unit4Astronomythescienceofthestars单元重点小结课件新人教版必修.pptx

单元重点小结,1.n.天文学n.天文学家2.n.球体;地球仪;地球adj.全球性的;全世界的3.adj.猛烈的;激烈的;强暴的n.暴力adv.猛烈地4.prep.与不同;不像(反义词)prep.v.难题adj.迷惑不解的8.n.生物学n.生物学家adj.生物学的9.n.物理学家adj.物理学的n.物理,物理学,astronomy,astronomer,globe,global,violent,violence,violently,unlike,like,dislike,harmful,harm,exist,existence,puzzle,puzzled,biology,biologist,biological,physicist,physical,physics,1.及时;终于2.下蛋3.产生;分娩4.轮到某人5.阻止;制止6.感到高兴;感到振奋7.既然8.突发;爆发9.密切注意;当心;提防,intime,layeggs,givebirthto,inonesturn,prevent.from,cheerup,nowthat,breakout,watchoutfor,1.地球(开始)变得如此激烈动荡以至于不知道这种形状是否会继续存在下去。Theearthbecameitwasnotclearwhethertheshapewouldlastornot.2.这就产生了一系列的反应,使得生命有可能开始发展了。Thisproducedachainreaction,forlifetodevelop.3.所以,在未来的数百万年中,生命能否在地球上延续取决于这个问题能否得到解决。Soontheearthformillionsofyearstocomewilldependon.4.但我试着向前迈步的时候,我发觉自己被送出去很远,步子的跨度竟是在地球上的两倍,因而我摔倒了。ButwhenItriedtostepforward,IfoundIwascarried_ontheearthandfellover.,soviolentthat,whichmadeitpossible,whetherlifewillcontinue,whetherthisproblemcanbesolved,twiceasfaras,主语从句Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidglobe.itwasnotclearwhethertheshapewouldlastornot.Whatisevenmoreimportantisthatastheearthcooleddown,waterbegantoappearonitssurface.Itwasnotimmediatelyobviousthatwaterwastobefundamentaltothedevelopmentoflife.,指示(Instructions)Pleasepayattentionto.Pleasecheckthat.Pleaselookat.Mak