2021版高考英语大一轮复习 Unit 4 Astronomythe science of the stars课件 新人教版必修3

unit4astronomy:thescienceofthestars,基础知识梳理,考点知识导练,基础知识梳理抓主干固双基,1.vi.存在;生存n.生存;存在2.n.谜;难题vt.理论adj.理论上的adv.理论上地,exist,existence,puzzle,puzzling,puzzled,astronomy,astronomer,theory,theoretical,theoretically,5.n.球体;地球仪adj.全球性的6.adj.猛烈的adv.猛烈地n.猛烈;暴力7.adj.基础的adv.基本地n.(pl.)基本原理8.adj.温和的;文雅的adv.温柔地n.绅士,globe,global,violent,violently,violence,fundamental,fundamentally,fundamentals,gentle,gently,gentleman,system,9.n.系统;制度10.n.气候11.vi.增加12.atmospheren.13.floatvi.气氛,(使)漂浮,漂浮物,碰撞;坠落,1.time及时;终于2.prevent.阻止;制止3.block挡住(光线)4.that既然5.break突发;爆发6.cheer感到高兴7.onesturn轮到某人8.eggs下蛋9.give产生;分娩10.watch当心;提防,in,from,out,now,out,up,in,lay,birth,to,out,for,1.theearthbecamesoviolentthatitwasnotcleartheshapewouldlast.地球变得如此激烈动荡以至于不知道这个固体形状是否会继续下去。2.thisproducedachainreaction,whichforlifetodevelop.这就产生了一系列的反应,使得生命发展成为可能。3.butwhenitriedtostepforward,ifoundiwascarriedontheearthandfellover.而当我试图向前迈步的时候,我发觉我被送出去很远,步子的跨度竟是在地球上的两倍,因而我摔倒了。,whether,or,not,made,it,possible,twice,as,far,as,考点知识导练解疑难提知能,1.existvi.存在;生存,高考运用:语法填空,答案:onexistence,theycannotexistsuchasmallincome.nooneknowshowthisworldcameinto(exist).,特别提示exist是不及物动词,没有被动语态,也不用于进行时态。,2.intime及时;终于;总有一天,高考运用:完成句子,答案:intimeontimeatatime,imjustsogladiwasthere(及时)tohelpmyson.(2018全国,完形填空)thecompanyfiredhimfornotcomingtowork(按时).hecaneat5pancakes(每次).,3.prevent.from.阻止;制止,高考运用:语法填空,答案:turningfrom,ifyoulike,asqueezeoffreshlemonjuiceonthebananaswillpreventthem(turn)brown.(2018全国,阅读理解b)wearmoreclothestoprotectyourselfthecold.,特别提示prevent/stopsb.(from)doingsth.中的from可以省略,而keepsb.fromdoingsth.中的from不能省略。,4.now(that)既然nowthat相当于since,是连词词组,用来引导原因状语从句,口语中经常省略that,只用now,这时now已经失去了“现在”的含义。,高考运用:翻译句子,答案:nowthatiamwellagain,icangoonwithmywork.nowthatyouvegrownup,youcanmakeupyourmindbyyourself.,既然我恢复了健康,我就可以继续工作了。,既然你已经长大了,你可以自己做决定了。,5.breakout(战争、火灾等)突发;爆发,高考运用:完成句子,答案:breakoutbrokedownbrokeinto,whendidthefirstworldwar(爆发)?mycar(出故障)ontheway,soiwaslateforwork.lastnightathief(强行进入)myhouse.,6.cheerup感到高兴;感到振奋,高考运用:翻译句子,答案:weallcheeredupatthenewsthathewasadmittedintotsinghuauniversity.theirjobwastocheeronthecompetitors.,听到他被清华大学录取的时候,我们欢呼起来。,他们的工作是鼓舞参赛者。,巧学助记,7.thisproducedachainreaction,whichmadeitpossibleforlifetodevelop.这就产生了一系列的反应,使得生命发展成为可能。,句中使用了“make+宾语+宾语补足语”结构。即:make+宾语+宾语补足语当该结构中的宾语是不定式短语或从句时,多用it作形式宾语,而把不定式短语或从句后置,即make+it+宾语补足语+不定式短语或从句。,高考运用:语法填空,答案:touseunderstood,masteringthetechnologymakesitpossibleforus(use)theinternetmoreeffectively.shetriedtomakeherself(understand)whilegivingherspeech.,8.butwhenitriedtostepforward,ifoundiwascarriedtwiceasfarasontheearthandfellover.而当我试图向前迈步的时候,我发觉我被送出去很远,步子的跨度竟是在地球上的两倍,因而我摔倒了。,高考运用