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本文(2018届高考英语(人教)大一轮复习领航课件:必修三 UNIT 4 ASTRONOMY:THE SCIENCE OF THE STARS .ppt)为本站会员(高****)主动上传,免费在线备课命题出卷组卷网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知免费在线备课命题出卷组卷网(发送邮件至service@ketangku.com或直接QQ联系客服),我们立即给予删除!

2018届高考英语(人教)大一轮复习领航课件:必修三 UNIT 4 ASTRONOMY:THE SCIENCE OF THE STARS .ppt

1、话题积累 水滴石穿 基础盘点 自我演练 要点精研 考点讲练 课时规范训练 话题:航天科技话题短语1.solar system 太阳系 2.launch a satellite 发射人造卫星3.in ones turn 轮到某人;接着 4.prevent.from 阻止;制止5.manned spaceship 载人宇宙飞船6.watch out 密切注视;当心;提防7.a one-day trip 一天的行程8.a face-to-face talk 面对面的交谈9.realize ones dream 实现某人的梦想10.be harmful to 对有害11.be proud of 对感到

2、自豪e into existence 开始产生;成立13.for the time being 暂时;目前14.A is three times as big as B A 是 B 的三倍大话题句型1.I make it a rule to keep an English diary every day.我有每天写英语日记的习惯。2.How to solve the problem remains unknown.还不知道怎么解决这个问题。3.It makes no difference where we shall have the meeting.我们在哪里召开会议并不重要。4.Now t

3、hat I have written down all the things we need,then its your turn to buy all the items for us.既然我已经写好了我们所需要的东西,就该由你来负责为我们购买了。话题句型5.The atmosphere in the house relaxed after my mothers inspiring talk cheered me up.妈妈一番激励的话让我很振奋,家里的气氛也放松了下来。6.The sudden change in climate prevents some kind of species

4、from existing.气候的突变使得有些物种灭绝。话题语篇 长期以来,中国人一直梦想进入太空。19992002 年,中国成功发射了三艘无人飞船;2002 年 12 月 31 日,“神舟四号”又一次成功发射,并于 2003 年 1 月 5 日安全返回地面。它完成了七项科学试验并为下一次载人飞船的发射做准备。2003 年,第一艘载人飞船神舟五号进入太空,中国人的梦想变成了现实。星期二上午,在湛蓝的天空中,神舟十号和三名宇航员从甘肃酒泉卫星发射中心升空,这是中国为了在 2020 年前建立起自己的空间站迈出的坚实一步。话题语篇 【话题模板】Chinese people have been dre

5、aming of going into outer space ever since before.China had launched three unmanned spacecrafts successfully from 1999 to 2002.On Dec.31,2002,the launch of the fourth spacecraft“Shenzhou IV”was another big success and the spacecraft returned to the earth safely on January 5,2003.During its flight,se

6、ven scientific experiments were carried out.The purpose of the flight was to make preparations for the launch of a manned spacecraft next time.The successful launch and return show that China is able to send a person into space soon.In 2003,the first manned spacecraft Shenzhou V was sent into space

7、successfully.And the Chinese dream has come true.Shenzhou X and three astronauts blasted off from Jiuquan Satellite Launch Center,Gansu Province,into a clear blue sky on Tuesday,bringing the nation one step closer to setting up its own space station in 2020.核心单词基础词汇1_ n系统;体系;制度2_ n学说;理论3_ n大气层;气氛4_

8、adj.基本的;基础的5_ adv.因此;于是6_ vt.&vi.(使)迷惑;(使)为难 n谜;难题systemtheoryatmospherefundamentalthuspuzzle7_ adj.温和的;文雅的8_ vi.&vt.碰撞;坠落9_ n&vt.拉(力);拖;牵引力10_ vi.&vt.(使)浮动;(使)漂浮 n漂浮物gentlecrashpullfloat派生词汇1_ prep.不同;不像_ vt.喜欢 prep.相像的_ adj.可能的2_ adj.猛烈的;激烈的;强暴的_ n暴力_ adv.暴力地;猛烈地3_ adj.有害的_ n&v伤害_ adj.无害的4_ vi.存在;

9、生存_ n存在;生存5_ adj.更少的_ v减少;减轻unlikelikelikelyviolentviolenceviolentlyharmfulharmharmlessexistexistencelesslessen词缀归纳在 unlike 一词中,un-为前缀,常加在形容词、副词、分词、动词和名词之前。有时表示否定意义,有时可以表示相反的动作。课标词汇中含有该前缀的还有:unable,unbearable,unbelievable,uncertain,uncomfortable,unconditional,unconscious,uncover,uneasy,unemployed,un

10、expected,unfair,unfit,unfortunate,unhappy,unhealthy,unknown,unlikely,unnecessary,unusual,unwilling 等。词汇串记“太空”单词集锦astronomer n天文学家 astronomy n天文学astronaut n宇航员 satellite n卫星orbit n轨道 universe n宇宙gravity n万有引力 planet n行星spaceship n宇宙飞船 atmosphere n大气层.高频短语1及时;终于_2轮到某人;接着_3阻止;制止_4感到高兴;感到振奋_5突发;爆发_6密切注意

11、;当心,提防_7lay eggs_8give birth to_9now that_10block out_in timein ones turnprevent.from.cheer upbreak outwatch out for下蛋产生;分娩既然挡住(光线)即时演练单句语法填空1The man braked his car _ time to avoid a terrible car accident.2Now _ you have finished your work,why not go to the cinema with us for _ break?3 Youd better c

12、ome up _ a good idea to cheer her _,otherwise she may give up halfway.inthatawithup.重点句型1【教材原句】The earth became so violent that it was not clear whether the shape would last or not.点拨:so.that.句型仿写:这个故事如此有趣以至于我们都沉浸其中。The story was _ we were all lost in it.so interesting that2【教材原句】This produced a cha

13、in reaction,which made it possible for life to develop.点拨:“make it possible to do sth.”结构仿写:它里面所包含的国内及国际新闻使我们了解一周来发生的所有的重要事件成为可能。Both national and international news in it _ all important things that have happened during the week.makes it possible for us to learn3【教材原句】But when I tried to step forwa

14、rd,I found I was carried twice as far as on the earth and fell over.点拨:“倍数asadj./adv.as”句型仿写:新技术引进后,这个工厂 2015 年生产的机器是去年的两倍。After the new technique was introduced,the factory produced _.twice as many machines in 2015 as last year4【教材原句】“Oh dear,”I cried,“walking does need a bit of practice now that g

15、ravity has changed”点拨:now that 引导的原因状语从句仿写:既然它对我们的好处如此多,为什么不试一试呢?_,why not have a try?Now that it benefits us so much.教材活用语法填空根据课文内容完成下面的短文As the result of“Big Bang”,the 1._(violence)earth slowly settled into a globe 2._(move)around the sun.The gases which were 3._(make)the earths atmosphere came in

16、to being from the explosion of the dust ball,with water 4._(follow)them while the earth cooled down.It allowed the beginning for life.Many millions of years later,the first 5._(extreme)small plants began to appear 6._ the surface of the water.They multiplied and filled the seas and oceans with oxyge

17、n,which encouraged the later development of early shellfish and all sorts of fish.7._ time passed,violentmovingto makefollowingextremelyonAsgreen plants taking in carbon dioxide and 8._(produce)oxygen came to land and grew into forest.Later the chains of lives continued,such as insects,amphibians,re

18、ptiles,dinosaurs and mammals,the typical example of 9._ is man.Human beings not only do 10._ to the earth but cause damage to it.producingwhichgood1exist vi.存在;生存【教材原句】They laid eggs too and existed on the earth for more than 140 million years.它们也生蛋,在地球上生存了一亿四千多万年。Even though he is a little boy,stra

19、nge ideas always exist his mind.The old lady became seriously ill last week,and she has only existed milk ever since.The Imperial Palace in Beijing has been existence for more than 500 years.(1)exist in 存在于之中exist on 靠为生There exists/existed.某地有;存在(2)existence n.存在;生存in existence 存在come into existenc

20、e 产生;成立;开始存在ininon exist是不及物动词,没有被动语态,也不用于进行时态。2puzzle vt.使迷惑;使为难;使窘困;感到迷惑 n谜;难题;(游戏的)猜谜【教材原句】How life began on earth is one of the biggest puzzles that scientists found hard to solve.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。练一练(1)单句语法填空Their reason for doing it is still _ puzzle to me.He had a _(puzzle)look on

21、his face.His last paintings are perhaps the most _,which even _ all the artists.(puzzle)apuzzledpuzzlingpuzzle(1)puzzle over/about sth.苦苦思索/仔细琢磨puzzle sth.out 琢磨出的答案a puzzle to sb.某人不懂be in a puzzle 不知如何是好(2)puzzled adj.迷惑不解的(常用来修饰人或人的表情、脸色、声音等)puzzling adj.令人迷惑的(常用来修饰事物)(2)一句多译消防员对这场火灾的起因困惑不解。_(puz

22、zle n)_(puzzled adj.)The firemen were in a puzzle about the cause of the fire.The firemen were puzzled about the cause of the fire.3pull n&vt.拉(力);拖;牵引力【教材原句】As the rocket rose into the air,we were pushed back into our seats because we were trying to escape the pull of the earths gravity.随着火箭的升空,由于我

23、们在努力挣脱地球的引力,我们被向后推在座位上。pull away from 挣脱;脱离;脱身pull down 拆毁;摧毁pull in (车辆)进站停靠;靠边停靠pull out 驶出;拉出;拔出Daddy and I ran quickly towards her,and pulled her.The train has pulled,and the passengers are boarding it now.Whether the buildings in this area should be pulled has remained controversial;people are

24、still looking for other possible solutions.downoutin阅读链接(2016高考天津卷)Hearing her coughing bitterly one night,I decided to pull her from it all.分析文中的 pull her from it 意为“把她从这项运动中拉出来”。翻译一天晚上,听到女儿咳嗽得非常厉害,我决定让女儿完全放弃这项运动。4in time 及时;终于;总有一天【经典例句】I should be back in time to watch the show.我应该能及时赶回来观看那场表演。(1

25、)in no time 立刻;马上at no time 决不(放在句首时,句子用部分倒装)at a time 每次;一次at one time 曾经;一度at the same time 同时from time to time 有时;偶尔(2)take ones time 别着急;慢慢来kill time 消磨时间练一练 选择 time 合适的短语填空(1)Thank God youre safe!I stepped back,just _ to avoid the racing car.(2)Parents should talk to their children but _ they s

26、hould lend an ear to what they have to say.(3)_ he was addicted to playing web games,but now he devotes himself to writing,which delights his parents.(4)Dont try to do everything at once;take it a bit _.in timeat the same timeAt one timeat a time写作链接(2015高考四川卷书面表达)学好普通话需要时间,但是如果你全身心地投入的话,你早晚会很好地掌握它。

27、Learning Mandarin takes time,but if you put all your heart into it,youll have a good command of it in time.5in ones turn 轮到某人;接着【教材原句】Thus they have,in their turn,become the most important animals on the planet.于是,他们接着成为了这个行星上最重要的动物。in turn 依次;轮流;反之;相应地by turns 轮流;交替地take turns to do sth.轮流做某事It is

28、ones turn to do sth.轮到某人做某事It turns/turned out that.结果写作链接 人们试着通过使用自己的小汽车来避免公共交通延误,但是反过来这又增加了进一步的问题。People try to avoid public transportation delays by using their own cars,and this in turn creates more problems.练一练 用 turn 短语的适当形式填空(1)We agreed that both sides must work to strengthen greater trust a

29、nd confidence,which,_,will bring more cooperation.(2)It _ that her right leg was broken and she had to stay in hospital.(3)As far as I know,_ to look after the children.in turnturned outit is your turn6cheer up(使)高兴;(使)振奋;感到高兴;感到振奋【教材原句】I cheered up immediately and floated weightlessly around in our

30、 spaceship cabin watching the earth become smaller and the moon larger.我立刻高兴起来,由于失重我在太空舱里飘来飘去,我望着(身后的)地球越来越小,而(前方的)月亮越来越大。(1)cheer sb.up 使某人振作起来cheer sb.on (比赛中)以喝彩声鼓励;为某人加油cheer for 为而欢呼(2)Cheers!口语(用于祝酒)干杯!写作链接 沐浴在阳光中,我们高兴地又跳又叫。Bathed in the sunshine,we jumped and cheered with joy.练一练 用 cheer 短语的适

31、当形式填空(1)I think he misses her terribly.You might _ him _.(2)Most people would like _ their favorite players.cheerupto cheer onBut when I tried to step forward,I found I was carried twice_as_far_as on the earth and fell over.而当我试着向前迈步时,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。【句型透视】twice as far as.“是的两倍远”as

32、far as.意为“远到”。英语中常见的倍数表达法:Abe倍数asadj./adv.原级as BAbe倍数adj./adv.比较级than BAbe倍数the名词size/weight/length.of BAbe倍数what从句,表示“A是的多少倍”This table is twice bigger than that one.This table is three times as big as that one.This table is that one.这张桌子是那张的 3 倍大。The worlds population has grown to more than it was

33、 in 1800.目前世界人口与 1800 年相比已经增长到当时的六倍多。six times whatthree times the size of.单句语法填空1If our parents do everything for us children,we wont learn to depend on _(we)2Her_(puzzle)look on her face suggested she didnt understand what I said.3The meeting was held in a lively atmosphere _ everybody felt free t

34、o share his ideas.4 Our city has experienced twice _ much rain this year _ it did last year.答案:1.ourselves 2.puzzled 3.where 4.as;as 5Now _ youve got a chance,you might as well make full use of it.6The manager wants to see changes in the company,and I am sure he will _ time.7Grace doesnt want to mov

35、e to New York because she thinks if she _(live)there,she wouldnt be able to see her parents very often.8The limits of a persons intelligence,generally speaking,are fixed at birth,but _ he reaches these limits will depend on his environment.答案:5.that6in 7.were to live 8.whether 9China recently tighte

36、ned its waters controls near the Huang-yan Island to prevent Chinese fishing boats from _(attack)in the South China Sea.10If they win the final tonight,the team are going to tour around the city _(cheer)by their enthusiastic supporters.答案:9.being attacked 10.to be cheered.单句改错1We usually take turn t

37、o do cleaning,and today it is my turn to do it._2My uncles house in the downtown area is much smaller than ours,but it is twice too expensive._3That makes his life quite different that he has received higher education abroad._答案:1.第一个 turnturns 2.tooas 3.ThatIt4When the policeman stopped us,we all l

38、ooked questioningly at him,nervous and puzzling._5Experts point out that fruit juices can be harmful for childrens teeth._答案:4puzzlingpuzzled 5.forto.话题写作根据提示,利用本单元所学知识,完成下面的小作文。1地球是火星的六倍大。(倍数表达法)2我们能否登陆火星完全取决于科学技术的发展。(depend on)3火星上几乎没有氧气,这使生命存在成为不可能。(make;exist)4中午的温度可能在 50 度左右,而晚上则在零下 100 度左右。这使得

39、我们无法在那里生活。(prevent.from.)5既然火星与地球完全不同,如果我们计划有朝一日去火星的话,我们就要带上氧气、食物、衣服和住所。(now that)_【参考范文】The earth is six times the size of Mars.Whether we can land on Mars depends on the development of science and technology.There is almost no oxygen on Mars and this makes it impossible for life to exist.It might be about 50 degrees above zero 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.点击进入word版:课时规范训练把握高考微点,实现素能提升

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