（人教版）高考英语一轮复习课件：必修3 unit 4 astronomy：the science of the stars.ppt

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1、Unit 4Astronomy：the science of the stars温馨提示温馨提示:请点击相关栏目。请点击相关栏目。学学 预习新知自解预习新知自解讲讲 探究课堂互动探究课堂互动记记 冷点自主拾遗冷点自主拾遗学学 预习新知自解预习新知自解1单单词词速速记记1_(n.)天文学天文学2_(n.)系统；体系；制度系统；体系；制度3_(n.)学说；理论学说；理论4_(n.)大气层；气氛大气层；气氛5_(adj.)基本的；基础的基本的；基础的6_(adv.)因此；于是因此；于是7_(vt.&vi.)(使使)迷惑迷惑;(使使)为难为难 (n.)谜；难谜；难题题8_(adj.)温和的；文雅的温和

2、的；文雅的9_(vi.&vt.)碰撞；坠落碰撞；坠落10_(n.&vt.)拉拉(力力)；拖；牵引力；拖；牵引力astronomysystemtheory atmospherefundamentalthuspuzzlegentlecrashpull结束放映束放映返回返回导航航页11_(vi.&vt.)(使使)浮动；浮动；(使使)漂浮漂浮(n.)漂浮物漂浮物12_(adj.)猛烈的；激烈的；强暴的猛烈的；激烈的；强暴的 _ _(n.)暴力暴力 _ _(adv.)暴力地；猛烈地暴力地；猛烈地13_(prep.)不同；不像不同；不像 _ _(vt.)喜欢；喜欢；(prep.)相像的相像的 _ _(ad

3、j.)可能的可能的14._(adj.)有害的有害的 _ _(n.&v.)伤害伤害 _ _(adj.)无害的无害的15_(vi.)存在；生存存在；生存 _ _(n.)存在；生存存在；生存floatviolentviolenceviolentlyunlikelikelikelyharmfulharmharmlessexistexistence结束放映束放映返回返回导航航页短语回顾1_阻止阻止2_ 产生；分娩产生；分娩3_ 轮到某人；接着轮到某人；接着4_ 熟悉；掌握；理解熟悉；掌握；理解5_ 密切注视；当心；提防密切注视；当心；提防6depend on _7in time _8lay eggs _

4、9cheer up _10now that _11break out _prevent.from.give birth to in ones turn get the hang of watch out depend on in time lay eggs cheer up now that break out 结束放映束放映返回返回导航航页句句型型必必备备1What is even more important is that as the earth cooled down，water began to appear on its surface.更为重要的是，当地球冷却下来时水开始在地球

5、表更为重要的是，当地球冷却下来时水开始在地球表面出现了。面出现了。名师指津：名师指津：what引导主语从句。引导主语从句。例句仿写：例句仿写：她告诉我，那个时候她需要的就是一些好她告诉我，那个时候她需要的就是一些好运气。运气。_at that time，she told me，was some good luck.What was needed 结束放映束放映返回返回导航航页2The earth became so violent that it was not clear whether the shape would last or not.地球变得如此激烈动荡以至于不知道这个固体形状是否

6、会继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存在下去。续存在下去。名师指津：名师指津：whether.or not是否是否。例句仿写：例句仿写：他们是否能够通过交流达成协议还不清楚。他们是否能够通过交流达成协议还不清楚。Its not clear _ they are able to arrive at an agreement through communication _.whether or not结束放映束放映返回返回导航航页3But when I tried to step forward，I found I was carried twice as far as on

7、 the earth and fell over.而当我试着向前迈步的时候，我发觉我被送出去很远，步子而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，因而我摔倒了。的跨度竟是在地球上的两倍，因而我摔倒了。名师指津：名师指津：“twice as形容词原级形容词原级as”是倍数表达法之是倍数表达法之一。一。例句仿写：例句仿写：仔细研究地图后，我发现这个村庄是那个村庄的仔细研究地图后，我发现这个村庄是那个村庄的两倍大。两倍大。I find this village is _ that one after studying the map carefully.twice

8、as large as结束放映束放映返回返回导航航页4This produced a chain reaction，which made it possible for life to develop.这就产生了一系列的反应，使得生命就有可能开始发展了。这就产生了一系列的反应，使得生命就有可能开始发展了。名师指津：名师指津：句中的句中的it是形式宾语，真正的宾语是不定式短语是形式宾语，真正的宾语是不定式短语to develop。例句仿写：例句仿写：这两个女孩长得很像，陌生人很难把她们区分开。这两个女孩长得很像，陌生人很难把她们区分开。The two girls are so alike tha

9、t strangers _one from the other.find it difficult to tell 结束放映束放映返回返回导航航页5“Oh，dear，”I cried，“walking does need a bit of practice now that gravity has changed.”“天哪，天哪，”我大声说。我大声说。“重力改变了，看来走路也的确需要重力改变了，看来走路也的确需要练一练了。练一练了。”名师指津：名师指津：now that“由于；既然由于；既然”，引导原因状语从句，引导原因状语从句，有时有时that可以省略。可以省略。例句仿写：例句仿写：你既然得

10、到了一个机会，不妨充分利用它。你既然得到了一个机会，不妨充分利用它。_，you might as well make full use of it.Now that youre got a chance结束放映束放映返回返回导航航页(1)be harmful to sb/sth(2)do harm to sb./do sb.harm 对某人对某人/某物有害某物有害对某人有害对某人有害 harmful adj.有害的有害的讲讲 探究课堂互探究课堂互动动2单单词词细细解解(3)There is no harm in doing sth.It does no harm to do sth.做某事是个

11、好主意做某事是个好主意(或没有坏或没有坏处处)结束放映束放映返回返回导航航页Air pollution will get worse and this will_people，for example，it can cause cancer.空气污染会加剧空气污染会加剧,而且这会对人们造成危害，例如，它可以引而且这会对人们造成危害，例如，它可以引发癌症。发癌症。As far as Im concerned，_making an apology to him first.就我个人而言，先向他道歉没有什么坏处。就我个人而言，先向他道歉没有什么坏处。(2013陕西卷信息匹配陕西卷信息匹配)Pets a

12、re amusing and entertaining，but we are in a way doing animals harm by making them live in a human environment.(英译汉英译汉)_ be harmful to there is no harm in 宠宠物好玩有趣，但我物好玩有趣，但我们们从某种程度上从某种程度上让让他他们们生活生活在人的在人的环环境是在境是在伤伤害他害他们们。结束放映束放映返回返回导航航页n.存在，生存存在，生存 exist vi.exist in存在于存在于之中之中exist on.靠靠为生为生there exist

13、s.某地有某地有；存在；存在vi.vi.存在，生存存在，生存come into existence开始存在开始存在in existence存在存在vi.结束放映束放映返回返回导航航页(1)单项填空单项填空(2013淄博模淄博模拟拟)_a certain doubt among the workers as to the necessity of the work.AIt existed BThere existedCThere had DIt had(2)介词填空介词填空教材原句教材原句P26：They laid eggs too and existed _ the earth for mor

14、e than 140 million years.(牛津牛津P697)They cant exist _ the money hes earning.The Imperial Palace in Beijing has been_existence for more than 500 years.Bononin结束放映束放映返回返回导航航页puzzle vt.puzzle vt.使迷惑使迷惑;使为难使为难;使窘困使窘困;n.(;n.(游戏的游戏的)猜谜猜谜;难题难题；5 be in a puzzle about sth.对对某事迷惑不解某事迷惑不解 4 puzzling adj.令人困惑的令人

15、困惑的puzzled adj.感到困惑的感到困惑的 3 puzzle about/over sth.仔细琢磨仔细琢磨 2 be puzzled by被被迷惑迷惑 1puzzle sb.使某人使某人为难为难结束放映束放映返回返回导航航页It puzzles scientists how these creatures can survive in such severe conditions.（英译汉）（英译汉）_The police are still puzzling _ how the accident could have happened.警察仍然正在苦思这起事故是怎么发生的。警察仍然

16、正在苦思这起事故是怎么发生的。Her _look on her face suggested she didnt understand what I said.她脸上迷惑的表情表明她不明白我说的话。她脸上迷惑的表情表明她不明白我说的话。这些生物是如何在这样艰难的这些生物是如何在这样艰难的条件下存活的，这使科学家很疑惑。条件下存活的，这使科学家很疑惑。about/overpuzzled 结束放映束放映返回返回导航航页pull 根据句意填介词根据句意填介词/副词副词 His injuries are severe but hes expected to pull_.Several houses w

17、ere pulled _to make way for the new road.The train pulled _ and all the passengers got off.He pulled _at the traffic lights.throughdown inup结束放映束放映返回返回导航航页 写出下面写出下面pull短语的意义短语的意义(1)pull through _(2)pull down _(3)pull in _(4)pull out _(5)pull over _(6)pull up _使从使从(受伤受伤)中活下来中活下来;度过难关度过难关拆掉，拆毁拆掉，拆毁进站，

18、靠岸进站，靠岸离站，拔出，恢复健康离站，拔出，恢复健康(使使)车辆停靠在路车辆停靠在路边边拔起；停车拔起；停车结束放映束放映返回返回导航航页(重庆卷完形填空重庆卷完形填空)More importantly，I found it was my turn to start looking out for my father.in turn依次；轮流；反之；反过来依次；轮流；反之；反过来by turns轮流；交替地轮流；交替地take turns to do sth.轮流做某事轮流做某事It is ones turn to do sth.轮到某人做某事轮到某人做某事It turns/turned o

19、ut that.结果结果 更为重要的是，我觉得该是我开始照顾父亲的时候了。更为重要的是，我觉得该是我开始照顾父亲的时候了。轮到某人；接着轮到某人；接着短短语语聚聚焦焦结束放映束放映返回返回导航航页.单项填空单项填空(2013四四级级英英语语)Stressful environments lead to unhealthy behaviors such as poor eating habits，which_increase the risk of heart disease.Ain turn Bin returnCby chance Dby turns.完成句子完成句子Youve made m

20、e suffer in the past，so now you，_(轮到你了轮到你了)，suffer again!You cant all do it together；youll have to _.你们不能全体一齐上；你们得轮流做。你们不能全体一齐上；你们得轮流做。Ain your turntake turns结束放映束放映返回返回导航航页in time一词多义一词多义:写出下列句中写出下列句中in time的含的含义义(2012江苏卷江苏卷)Thank God youre safe!I stepped back，just in time to avoid the racing car._

21、 Youll succeed in time because you are always working hard._ 及及 时时终终 于于结束放映束放映返回返回导航航页in no time _at no time _at a time _at one time _from time to time _at times _take ones time _kill time _写出下面写出下面time短语的意义短语的意义立刻；马上立刻；马上绝不绝不每次；一次每次；一次曾经，一度曾经，一度有时；偶尔有时；偶尔有时有时别着急；慢慢来别着急；慢慢来消磨时消磨时间间 结束放映束放映返回返回导航航页瞬间

22、记忆瞬间记忆at a time 2in no time 2at no time 2kill time2at one time3from time to time 3at times 3take ones time3(如果你能说如果你能说出短语出短语的汉的汉语意思语意思，就，就能得到相应能得到相应分数分数,快快加快快加油呦！油呦！)结束放映束放映返回返回导航航页But when I tried to step forward，I found I was carried twice as far as on the earth and fell over.而当我而当我试试着向前着向前迈迈步的步的时

23、时候候,我我发觉发觉我被送出去很我被送出去很远远,步子的跨度竟是在地球上的两倍步子的跨度竟是在地球上的两倍,因而我摔倒了。因而我摔倒了。句句型型突突破破twice as形容词原级形容词原级as”是倍数表达法之一是倍数表达法之一结束放映束放映返回返回导航航页The new bridge is _ _ _ _ _ (三倍宽三倍宽)that one built last year._(2011陕西卷陕西卷)The new stadium being built for the next Asian Games will be three times _ _ _ the present one._Je

24、ssica devoted_ _ _ _ _ _she did before，so I believe she will succeed this time._The worlds population has grown to more than six times what it was in 1800._如何表达如何表达A是是B的多少倍的多少倍?three times the width ofA倍数倍数the size/height/length/width，etc.ofB as big as A倍数倍数as形容词或副词的原级形容词或副词的原级asBtwice more energy a

25、nd time thanA倍数形容词或副词的比较级倍数形容词或副词的比较级thanBA倍数倍数what从从句句 结束放映束放映返回返回导航航页 This produced a chain reaction，which made it possible for life to develop.这这就就产产生了一系列的反生了一系列的反应应，使得生命就可能，使得生命就可能发发展了。展了。这是是“make it形容形容词/名名词 to do sth.”句型。句型。该句型中句型中it为形式形式宾语，指代后面的不定式，指代后面的不定式结构，形容构，形容词或名或名词为宾语补足足语。结束放映束放映返回返回导航

26、航页(2013山东省菏泽重点高中高三下学期四月模拟山东省菏泽重点高中高三下学期四月模拟)He didnt make _clear when and where the meeting would be held.Athis Bthat Cit DtheseMastering the technology_(可能会让我们更加有效地利用网络可能会让我们更加有效地利用网络)Cto use the Internet more effectivelymakes it possible for us 温馨温馨提示提示it作形式宾语，除指代不定式结构外，还可指作形式宾语，除指代不定式结构外，还可指代代tha

27、t引导的宾语从句。引导的宾语从句。They made it clear to the public _ they did an important and necessary job.that结束放映束放映返回返回导航航页记记 冷点自主拾遗冷点自主拾遗3微微考考点点unlike prep.不同不同;不像不像;adj.不同的；不同的；Its like/unlike sb.to do sth.做某事做某事实实在像在像/不像某人不像某人搭配Its unlike him _；hes usually on time.他不是会迟到的那种人；他通常很准时。他不是会迟到的那种人；他通常很准时。to be la

28、teprevent.from.阻止阻止做做搭配stop/keep.from.阻止阻止/制止制止做做protect.from.保保护护(2014福建四地六校联考福建四地六校联考)What is known to us all is that the Chinese government has spared no efforts to protect people _ fake food.from结束放映束放映返回返回导航航页atmosphere n大气层，气氛大气层，气氛Completely lost in the exciting atmosphere of the football mat

29、ch，Tom didnt feel his pocket picked.（英译汉）（英译汉）由于完全沉醉在足球赛的令人兴奋的氛围中，由于完全沉醉在足球赛的令人兴奋的氛围中，汤姆全然不知有人掏他的口袋。汤姆全然不知有人掏他的口袋。结束放映束放映返回返回导航航页微微写写作作 写作素材写作素材 01我们我们是否是否能登上火星完全取决于科学技能登上火星完全取决于科学技术术的的发发展。展。02火星上没有火星上没有氧气氧气,中午的温度可能在中午的温度可能在50度左右度左右,而晚而晚上则在零下上则在零下100度左右了。这样我们就度左右了。这样我们就不能不能在那里生活。在那里生活。03既然既然火星与地球完全不

30、同火星与地球完全不同,如果我们计划有朝一日去如果我们计划有朝一日去火星的话火星的话,我们就要带上氧气、食物、衣服和住的地方。我们就要带上氧气、食物、衣服和住的地方。提示提示红色字体红色字体部分用本单元词汇表达。部分用本单元词汇表达。结束放映束放映返回返回导航航页连句成篇连句成篇 Whether we can land on Mars or not depends on the development of science and technology.There is almost no oxygen on Mars.It might be about 50 degrees above zer

31、o at noon and 100 degrees below zero at night，which prevents us from living there.Now that Mars is quite different from our earth，if we are to go to Mars one day，we should have to take along our own oxygen，food，clothing and shelter.结束放映束放映返回返回导航航页微微语语法法1(2014浙江高三浙江高三调调研研)_is surprising is that there

32、 are so many Chinese restaurants in Toronto.AIt BThat CSuch DWhat2.(2014江南十校联考江南十校联考)_the climate changes so much has caused many discussions among the scientists.AWhat BWhich CWhen DThat主主语语从从句句解析：句意为：令人吃惊的是，在多伦多有这么解析：句意为：令人吃惊的是，在多伦多有这么多中国饭店。多中国饭店。“What is surprising”是主语从句，是主语从句，What在从句中作主语。在从句中作主语

33、。解析：根据句子结构和句意可知，前面的主语从解析：根据句子结构和句意可知，前面的主语从句不缺少句子成分，故选择句不缺少句子成分，故选择D项。项。结束放映束放映返回返回导航航页3(2014吉林一模吉林一模)_the flight to New York will be delayed is_Im especially worried about.AWhen；what BWhether；thatCWhen；that DWhether；what4(2014贵贵阳一中摸底考阳一中摸底考试试)It is none of your business_other people think about you

34、.Believe yourself.Ahow Bwhat Cwhich Dwhen5(2014江西十所重点中学高三江西十所重点中学高三联联考考)What has made John look like lacking sleep?_he had to prepare for the coming exam and stayed up last night.AFor BBecause CThat DWhatCBD结束放映束放映返回返回导航航页1.We agreed that both sides must work to strengthen greater trust and confiden

35、ce，which，_，will bring more cooperation.Ain time Bin turn Cin return Din total2.Doctors always tell us that drinking too much_our health，but some people dont care.Ais harm to Bdoes harmful toCis harmful to Ddo harm to3.You are always sitting there watching TV._，lets go out for a walk，shall we?OK，but

36、just a moment.The football game is just over.ATake your time BCheer upCTake it easy DCome on课课堂堂训训练练BCD结束放映束放映返回返回导航航页4(2013安徽卷安徽卷)Its said that the power plant is now_large as what it was.Atwice as Bas twice Ctwice much Dmuch twice5(2013山山东东省菏省菏泽泽重点高中高三下学期四月模重点高中高三下学期四月模拟拟)He didnt make _clear when and where the meeting would be held.Athis Bthat Cit Dthese6.(2014陕陕西宝西宝鸡鸡教学教学质质量量检测检测)There is so much rain on the island that its annual rainfall reaches_.Asixty inches as much as Bas sixty inches much asCas much as sixty inches Das much sixty inches asACC结束放映束放映返回返回导航航页