（新高考）2022届高中英语人教版一轮复习 分册二 必修3 Unit 4 Astronomythe science of the stars 精品课件

这是一份（新高考）2022届高中英语人教版一轮复习 分册二 必修3 Unit 4 Astronomythe science of the stars 精品课件，共50页。PPT课件主要包含了内容索引，核心考点 课堂突破，倍数表达法，随堂巩固 迁移运用等内容，欢迎下载使用。
核心考点 课堂突破
随堂巩固 迁移运用
1.in time及时;终于;总有一天
[教材原句]They were in time t prduce carbn dixide,nitrgen,water vapur and ther gases,which were t make the earth’s atmsphere.(P25) 它们最终产生了二氧化碳、氮气、水蒸气和其他多种气体,从而形成了地球的大气层。
语境巧练[用适当的介副词填空]①He wants t see changes in the cmpany and I am sure he will,　　　time. ②Rck climbing is great fun.Yu will get clse t nature and take adventures 　　　the same time. ③(2020·新高考全国Ⅰ卷)Her husband wrked tw jbs t cver the bills,and her 68-year-ld mther helped take care f the children 　　　　　times. 
④Will yu be hme 　　　　time t see the children befre they g t bed? ⑤　　　　　ne time there used t be a cal-mine in this area. 
[用time的相关短语填空]⑥As the ld saying ges,“Where there is a will,there is a way.” Our effrts will pay ff 　　　　　. ⑦Luckily,I quickly adapted t the new surrundings and everything returned t nrmal 　　　　　　　. ⑧　　　　　　　　　　,I have a gd cmmand f several languages including English. 
At the same time
[写作升级]⑨In my view,yu shuld at n time lse heart whenever yu are in truble.→In my view,　　　　　　　　　　　　　　　 whenever yu are in truble. 
at n time shuld yu lse heart
考点必记n time准时all the time一直;始终in n time立即,马上at a time一次;每次at ne time曾经;一度at the same time同时at times有时
take ne’s time别着急;慢慢来fr the time being暂时;目前frm time t time不时;偶尔gain/lse time(钟、表)走得快/慢
2.be t d结构表示将来
[教材原句]They were in time t prduce carbn dixide,nitrgen,water vapur and ther gases,which were t make the earth’s atmsphere.(P25) 它们最终产生了二氧化碳、氮气、水蒸气和其他气体,从而形成了地球的大气层。
语境巧练[完成句子]①那些外籍学生打算举行一次晚会庆祝圣诞节。The freign students　　　　　 a party t celebrate Christmas Day. ②稍等,我马上就动身。 Wait a mment;I am 　　　　　set ut. ③明年,我姐姐就十八岁了。Next year,my elder sister 　　　　　eighteen years ld. ④云彩在聚集,马上就要下雨了。The cluds are gathering;it　　　　　 　 rain. 
考点必记①be t d结构表示即将发生某事、计划或安排做某事、要求做某事。②be abut t d表示即将做某事,不与任何时间状语连用。③will + 动词原形表示将来的行为,“预见”或“临时考虑”将做某事。④be ging t d表示打算、计划做某事,或有迹象表明要发生某事。
3.make it+adj./n.+fr d
[教材原句]This prduced a chain reactin,which made it pssible fr life t develp.(P26)这就产生了连锁反应,使生命的发展成为可能。
语境巧练[单句填空]①She made it clear 　　　　　she wished t make a new life fr herself. ②I have a gd cmmand f English,which makes it easier fr me 　　　　　　(find) a gd jb. ③He is stubbrn,which makes it n use 　　　 　　(quarrel) with him abut it. 
quarrelling　
[完成句子]④新建的体育馆足够大,这使我们有可能参加各种各样的活动。The newly-built stadium is large enugh,　　　　　　　　　　　　　　　　　　　　　　　　　　　　. 
which makes it pssible fr us t take part in varius activities
[小话题写作]⑤观看《舌尖上的中国》会让你更容易理解为什么他决定在纽约开一家中餐馆来谋生。Watching A Bite f China will 　　　　　　　　　　　　　　　why he is determined t make his living by running a Chinese fd restaurant in New Yrk. 
make it easier fr yu t understand
考点必记①make+it+形容词/名词+t dmake+it+形容词/名词+that从句make+it+n gd/n use/n value...+ding sth.②常用于这种句型的动词还有:think,cnsider,find,feel等。
4.exist v.存在;生存
[教材原句]They laid eggs t and existed n the earth fr mre than 140 millin years.(P26)它们也生蛋,在地球上生存了一亿四千多万年。
语境巧练[用所给词的适当形式填空]①Yu can’t imagine what difficulty they have 　　　　　(exist) n the mney he is earning. ②Scientists have many theries abut hw the universe first came int 　　　　　(exist). ③(2020·新高考全国Ⅰ卷)And cntrary t 　　　　　(exist) research that says yu shuld avid eating with heavier peple wh rder large prtins(份),it’s the beanples with big appetites yu really need t avid. 
[翻译句子]④众所周知,年轻人和老年人之间存在代沟。
As is knwn t us,there exists a generatin gap between the yung and the ld.
There exists... 有……,存在着……②existence n.存在cme int existence出现,开始存在③existing adj.现存的;现行的
[名师点津]exist是不及物动词,没有被动语态,也不用于进行时态。
5.in ne’s turn轮到某人;接着
[教材原句]Thus they have,in their turn,becme the mst imprtant animals n the planet.(P26) 因此,它们变成了地球上最重要的动物。
语境巧练[单句填空]①Nw that we have finished the design,it is 　　　　　(they) turn t cnstruct. ②At the meeting they tk turns 　　　　　(put) frward a number f suggestins aiming t prmte the refrm f educatin system. ③The tw daughters lked after their sick mther 　　　　　turns. 
[完成句子]④人们使用自己的小汽车试图避免公共交通延误,反过来,这造成更多的问题。Peple try t avid public transprtatin delays by using their wn cars,　　　　　　　　　　　　　　　　. 
which,in turn,creates mre prblems
考点必记①in turn依次;轮流;反之;相应地by turns轮流;交替地It is ne’s turn t d sth.轮到某人做某事②take turns t d sth/at ding sth.轮流做某事[名师点津]①by turns是“交替地;轮流”的意思,多指两个人或两个行为之间的交替进行;②in turn表示“按顺序”。
[教材原句]They are putting t much carbn dixide int the atmsphere,which prevents heat frm escaping frm the earth int space.(P26)他们把过多的二氧化碳释放到大气层中,这使得地球上的热不能释放到太空中去。
语境巧练[用所给词的适当形式填空]①(2020·天津卷)It prevents peple wh are cut ff frm sciety 　 (fall)victim t cheaters. ②Aimed at　　　　　 (prevent) vilent crime,these measures are very ppular. ③Unless we get mre funding we’ll be 　　　　　(prevent) frm finishing ur experimental prgramme. ④We need a psitive prgramme f crime 　　　　　(prevent). 
preventing　
考点必记①下列短语均表示“阻止……做某事” (frm不能省略)hld ②preventin n.阻止;预防③keep ... ding sth.使……一直做某事④prtect ... frm... 保护……不受……侵袭
[名师点津]被动语态中上述搭配中的frm都不可省略。
7.puzzle n.谜;难题　v.(使)迷惑;(使)为难
[教材原句]Hw life began n earth is ne f the biggest puzzles that scientists fund hard t slve.(P27)地球生命如何起源是科学家们觉得很难解决的最大的难题之一。
语境巧练[单句填空]①When the little girl was asked such a 　　　　　(puzzle) questin,she std there with a 　　　　　(puzzle) lk n her face. ②She lst heart since she failed the exam,because her future was 　　　　　(puzzle). ③Peple have lng puzzled 　　　 　　hw the Egyptians mved such huge rcks. 
[完成句子]④今天早上,当我走在街上,我看到两位游客正在看地图,看起来很困惑。This mrning,when I was walking n the street,I saw that tw travelers were reading a map,　　　　　　　　. 
lking puzzled
考点必记①puzzle abut/ver 对……冥思苦想②be a puzzle t sb.令某人费解③puzzled adj.感到迷惑的a puzzled expressin n ne’s face 面带迷惑的表情④puzzling adj.令人困惑的
[教材原句]But when I tried t step frward,I fund I was carried twice as far as n the earth and fell ver.(P31)但当我试着向前迈步的时候,我发觉我被送出去很远,步子的跨度竟是在地球上的两倍远,因而我摔倒了。
语境巧练[单句填空]①My schl has expanded int a big ne,which is three times as big 　　the previus ne. ②The electrnic waste stream is increasing three times 　　　　　(fast) than traditinal garbage as a whle. ③The number f students nw in this schl is fur times 　　　　　it was ten years ag. 
[一句多译]正在建的体育馆是操场的两倍大。④The new stadium being built will be 　　　　　　　　　the playgrund.(as) ⑤The new stadium being built will be 　　　　　　　　　the playgrund.(size) ⑥The new stadium being built will be 　　　　　　　　　the playgrund.(than) 
twice as big as
twice the size f
twice bigger than
考点必记①A+be+倍数+as+ adj./ adv.原级+as+B②A+be+倍数+ adj./ adv.比较级+than+B③A+be+倍数+the+名词(size/weight/length/...)+f+B④A+be+倍数+what从句
[名师点津]①表示“两倍”时用twice或duble,三倍或三倍以上时用“基数词+times”表达。②此句型中倍数也可以用分数、百分数、half等其他程度状语来表达。
9.nw that引导原因状语从句
[教材原句]“Oh dear,” I cried,“walking des need a bit f practice nw that gravity has changed.” (P31) “天哪,”我大声说,“重力改变了,看来走路也的确需要练一练了。”
语境巧练[完成句子]①既然你不相信我,我将不再给你提任何建议。 　　 　yu dn’t have faith in me,I will never give yu any advice. ②多亏了那份工作我才成了一个喜欢阅读的人。　 　　 that jb I became a lver f reading. ③由于一些不明情况,今年的演出被取消了。　　 　sme unfreseen circumstances,this year’s shw has been cancelled. 
考点必记①nw that引导原因状语从句,意为“既然,由于”,相当于since,而且that可以省略。②下列介词短语也可以用来表示原因:due t 由于;归功于because f因为 n accunt f由于,因为wing t由于,因为thanks t由于;多亏
Ⅰ.单句填空1.In the 1960s,while studying the vlcanic histry f Yellwstne Natinal Park,Bb Christiansen became 　　　　　(puzzle) abut smething that,ddly,had nt trubled anyne befre:he culdn’t find the park’s vlcan. 2.It is difficult t figure ut the 　　　　　(glbe) ppulatin f plar bears as much f the range has been prly studied;hwever,bilgists calculate that there are abut 20,000-25,000 plar bears wrldwide. 3.In his intrductin,he made it clear 　 　ur credits wuld be hard-earned. 
4.Tired and 　　　　　(exhaust),she managed t make a flag with her yellw bluse and fell asleep the mment she clsed her eyes. 5.He 　　 　　　(prevent) by law frm hlding a licence. 6.If we knw that gssip can be 　　　　　(harm),then why d s many f us d it? 7.I began t learn this when I had my car 　　　　　(crash). 8.If steel is heavier than water,why are ships able 　　　　　(flat) n the sea? 
is prevented
9.It’s time t clean the fur dirty lights in ur classrm　　　 yur turn,s yu’d better cme earlier. 10.In rder t blck 　　　　　the sunshine,the students had many bks piled high. 
Ⅱ.微完形填空I remember sitting in an airprt ne day,waiting fr my flight.I was 　1　 because I had a first-class(头等的)ticket.And in first class,the seats are 　2　and the fd is mre delicius.Actually,I had the best seat n the whle plane! Seat 1A.Befre barding,I 　3　 a yung lady wh had a big suitcase(手提箱)and several carry-n bags was hlding a crying baby. 　4　,the handle(把手)f her suitcase brke and the suitcase fell t the flr.She tried 　5　 the case and her bags landed n the flr,t.  “Let me help,”I said t her.
　　　　　　　D.changing
答案 1.A　2.B　3.C　4.D　5.B
Ⅲ.根据汉语提示补全短文内容The earth 1.　 　　　　　　　(是火星的六倍大).Whether we can land n Mars 2.　　　　　　 　　　　　(取决于科学技术的发展).There is almst n xygen n Mars and this 3.　　　　　　 　　　　　　(使生命生存成为不可能).It might be abut 50 degrees abve zer at nn and 100 degrees belw zer at night,4.　　　　　　　　　　　　　　　　(这使得我们无法在那里生活).Nw that Mars is quite different frm ur earth,5.　　　　　　　　　　　　　　　　　　　　(如果我们计划有朝一日去火星的话),we shuld have t take alng ur wn xygen,fd,clthing and shelter. 
is six times the size f Mars
depends n the develpment f science and technlgy
makes it impssible fr life t exist
which prevents us frm living there
if we are t g t Mars ne day