《高考英语一轮复习 Unit4 Astronomy：the science of the stars课件 新人教版必修3 (2).ppt》由会员分享，可在线阅读，更多相关《高考英语一轮复习 Unit4 Astronomy：the science of the stars课件 新人教版必修3 (2).ppt（45页珍藏版）》请在金锄头文库上搜索。
1、必修3Unit 1Unit 5Unit 4Unit 4AstronomyAstronomy：the science of the starsthe science of the stars基 础 梳 理1_ (n.)系统；体系；制度2_ (n.)学说；理论3_ (n.)大气层；气氛4_ (adj.)基本的；基础的5_ (adv.)因此；于是6_(vi.&vt.)乘；增加7_ (adj.)温和的；文雅的8_ (vi.&vt.)碰撞；坠落9_ (n.&vt.)拉(力)；拖；牵引力重点单词重点单词systemtheoryatmospherefundamentalthusmultiplygentlec
2、rashpull 10_ (vi.&vt.)(使)浮动；(使)漂浮(n.)漂浮物11_ (prep.)不同；不像_ (vt.) 喜欢 (prep.) 相像的_ (adj.) 可能的12 _ (adj.) 猛 烈 的 ； 激 烈 的 ； 强 暴 的_(n.) 暴力 _ (adv.) 暴力地；猛烈地13 _ (adj.) 有 害 的 _(n.&v.) 伤 害_ (adj.) 无害的14_ (vi.) 存在；生存_ (n.) 存在；生存15 _(vt.&vi.)(使 )迷 惑 ； (使 )为 难 (n.)谜 ； 难 题_(adj.)迷惑不解的floatunlikelikelikelyviolentv
3、iolenceviolentlyharmfulharmharmlessexistexistencepuzzlepuzzled1_及时；终于2_下蛋3_生产；分娩4_轮到某人；接着5_阻止；制止6_感到高兴；感到振奋7_既然8_突发；爆发9_密切注视；当心；提防10_挡住(光线)重点短语重点短语in timelay eggsgive birth toin ones turnprevent.fromcheer upnow thatbreak outwatch outblock out1But when I tried to step forward，I found I was carried tw
4、ice 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。解读“twice as形容词原级as”是倍数表达法之一。仿写新技术被引进后，这个工厂2012年生产的机器是去年的两倍。After the new technique was introduced， the factory produced_the year before.经典句型经典句型答案：twice as many machines in 2012 as2This produced a chain reaction，whi
5、ch 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。解读句中的it是形式宾语，真正的宾语是不定式短语to develop。仿写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 that strangers_one from the other.答案：find it difficult to tell3“Oh，dear，” I cried，“walking does need a bit of practice now that gravity has changed.
6、”“天哪，”我大声说，“重力改变了，看来走路也的确需要练一练了。”解读now that“由于；既然”，引导原因状语从句，有时that可以省略。仿写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.答案：Now that youve got a chance4The 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会继续存在下去。解读whether.or not“是否
7、”。仿写你是否参加她的生日晚会都没有太大关系。It doesnt matter much_.答案：whether you will take part in her birthday party or not突 破 核 心1harmful adj. 有害的教材原句What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.很多科学家相信，由于地球上长期有水存在，
8、它使得地球得以把曾经存在于大气层中的有害气体和酸性物质溶解在海洋里。板块一：核心单词(1)be harmful to对有害(2)harm n&vt.伤害；损害do harm to sb./do sb.harm对某人有害(3)harmless adj.无害的Experts point out that fruit juices can be harmful to childrens teeth.专家指出果汁可能损害儿童的牙齿。Its_to read in the sun.在阳光下看书对你的眼睛有害。Smoking_our health.吸烟有害健康。答案：harmful to your eyes
9、does harm to2lay v放置；搁；下(蛋)；产(卵)教材原句They produced young generally by laying eggs.他们通常是通过产卵来产生下一代。lay sth.aside搁置；储蓄lay.off停止使用，解雇某人lay out安排，布置，设计You should lay aside your feelings when judging peoples abilities.判断一个人的能力时，应该把自己的感情放在一边。That factory_1,000 workers.那家工厂解雇了1 000多名工人。答案：laid off3exist vi.
10、 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，在地球上存在了一亿四千多年。(1)exist in存在于中exist on靠生活/生存There exists.某地有(2)existence n存在；生活come into existence产生；成立；开始存在Im lucky because I know my first home still exists.我很幸运，因为我知道我的第一个家仍然存在。They cant exist_the money hes
11、 earning.他们靠他挣的钱无法维持生活。_exist many opportunities for regional development.地区的发展存在许多机会。As is known to us， China_as an independent country in 1949.众所周知，在1949年中国以一个独立的国家存在了。 答案：onTherecame into existence4puzzle vt. 使迷惑；使为难；使窘困；感到迷惑n(游戏的)猜谜；难题；谜教材原句How life began on earth is one of the biggest puzzles t
12、hat 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。(1)a puzzle一件让人感到困惑的事情be in a puzzle感到困惑；不知如何是好(2)puzzle about/over冥思苦想，苦苦思索(3)puzzling adj.令人迷惑的puzzled adj.迷惑不解的，困惑的be puzzled about对迷惑不解(4)puzzlement n迷惘；困惑Why Mona Lisa is smiling is still a puzzle.蒙娜丽莎为什么微笑仍是个谜。Im_as to what to do n
13、ext.对于下一步该做什么我不知道。Her _ look on her face suggested she didnt understand the _ question.她脸上迷惑的表情表明她不明白那个令人疑惑的问题。She frowned in_.她迷惑地蹙着眉。答案：in a puzzlepuzzled；puzzlingpuzzlement5pull n&vi. 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
14、 the pull of the earths gravity.随着火箭升空，我们被重重地向后推在座位上，因为我们在尽力地逃离地球的引力。pull down拆毁，摧毁pull in(车辆)进站，靠边停靠pull out驶出，拔出pull through康复，痊愈pull away开动，离开pull back拉回，撤回见证2014It was impossible for Joe to climb back or for Simon to pull him up.Joe自己爬不回来，Simon也不可能有力气把他拉上来。(2014新课标卷完形填空)We waved as the train pul
15、led out of the station.火车驶出车站时我们挥手告别。They are_those houses to make room for a new hotel.为了给新旅馆腾地，他们正在拆除那些房屋。The police car signalled to us to_.警车发出信号，要我们驶向路边停靠。His injuries are extremely serious， but hes expected to_.他的伤很严重，但有望恢复。答案：pulling downpull inpull through6in time 及时；终于教材原句They were in time
16、to produce carbon，nitrogen，water vapour and other gases.它们最终产生了碳、氮气、水蒸气和其他多种气体。板块二：短语和句型(1)in no time立刻；马上at no time绝不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。Luckily， I quic
17、kly adapted and everything was back_.所幸我很快就适应了，很快一切都走上了正轨。_half the land on the earths surface was covered by forest.曾经，地球表面有一半的土地被森林所覆盖。The manager wants to see changes in the company，and I am sure he will _.经理想看到公司的变化，我确信他迟早会看到的。答案：in no timeAt one timein time7in ones turn 轮到某人；接着教材原句Thus they hav
18、e，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；反过来by turns轮流；交替地take turns to do sth.轮流做某事It is ones turn to do sth.轮到某人做某事It turns/turned out that.结果When it is in my turn，I am too excited to speak.当轮到我时，我激动得都说不出话来了。We take turns_(do) housework
19、.我们轮流做家务。Theory is based on practice and_serves practice.理论的基础是实践，反过来理论又为实践服务。答案：to doin turn8prevent.from.阻止做教材原句They are putting too much carbon dioxide into the atmosphere，which prevents heat from escaping from the earth into space.它们把过多的二氧化碳排放到大气层中，这使得地球上的热不能释放到太空中去。表示“阻止某人做某事”的短语有：prevent sb.(f
20、rom) doing sth.stop sb.(from) doing sth.keep sb.from doing sth.prevent/keep/stop sb.from doing sth.的主动式中，只有keep后面的from不能省略，而在被动式中三个短语的from都不能省略。The heavy rain prevented us from going on with our work.大雨阻止了我们继续工作。A possible war_ from breaking out with their effort.一场可能的战争最终由于他们的努力而避免了。China recently
21、tightened its waters controls near the Huangyan Island to prevent Chinese fishing boats from_(attack) in the South China Sea.中国最近加紧了对黄岩岛附近水域的控制，以防止中国渔船在中国南海受到攻击。答案：was finally preventedbeing attacked9block out挡住(光线)教材原句a great dust cloud formed in the sky blocking out the sunlight.一大团尘埃云在空中形成，挡住了光线。
22、block sb./sth. in把某人/某物堵住block sth.off(用路障)封锁；堵住block sth.up塞住；封住Black clouds can never block out the sun.乌云不能永远遮住太阳。Dont park your car here；youll_.别把车停在这儿。你会把我的车堵在里面的。Police_the city centre streets.警方封锁了市中心的街道。They will have to_the entrance to the tunnel.他们将不得不封闭通往隧道的入口。答案：block my car inblocked of
23、fblock up10cheer 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 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 v欢呼；喝彩cheer sb.on(比赛中)以喝彩声鼓励；为某人加油cheer sb.up使某人振奋(2)cheerful
24、adj.快乐的；高兴的(3)Cheers！(用于祝酒)干杯！I do hope she can cheer up and accept the challenge of life bravely!我真心希望她能振作起来，勇敢地接受生活的挑战！_，my friends.干杯，朋友们。They do this in order to encourage crowds to cheer their sports team _.他们这样做是为了鼓励人们为他们的球队加油。I hate it when it rains._！ It will be sunny tomorrow.我不喜欢下雨天。振作起来，明
25、天就晴天了。答案：CheersonCheer up11now that.既然/因为教材原句 .walking does need a bit of practice now that gravity has changed.重力改变了，看来走路也的确需要练一练了。now that“既然；由于”，引导原因状语从句。在语义上相当于since，that在口语中可省略。常用的引导原因状语从句的连接词还有：because，since，as，in that，seeing that，considering that等。Now that the weather is fine，lets go for a ri
26、de.既然天气那么好，我们兜风去吧。Why not change your mind? _ you have found that there is something wrong with your plan?既然你发现了你的计划有问题，为什么不改变主意呢？答案：Now that 比较辨析now that是固定短语，意为“既然；由于”，引导原因状语从句，that可省略because“因为”，表示直接的或为人所不知的原因since“既然，因为”(可与now that互换)，侧重主句as“由于”，表示显而易见或已为人所知的原因for“因为”，并列连词，引导的从句放在主句之后，起补充说明作用填一填
27、Why arent you coming with us to the concert?_ I have got a bad headache._ all the seats were full he stood up.He shook his head，_ he thought differently._ your daughter hasnt come，let me take you home.答案：BecauseAsforSince/Now that12break out 爆发；突发教材原句 We watched，amazed as fire broke out on the outsi
28、de of the spaceship as the earths gravity increased.我们惊奇地看着，随着地球引力的增加，宇宙飞船的外层燃烧起火。break away from脱离break down毁掉，坏掉break up拆散，分裂break off停止，中断break into破门而入见证2014The two countries are going to meet to break down some barriers to trade between them.两国计划会面来消除双方在贸易方面的障碍。(2014天津卷)It was almost midnight w
29、hen a fire broke out in the neighborhood.快半夜时，附近发生了火灾。He decided to_home after graduation.毕业后，他决定离开家。He_speaking to answer the telephone.他中断了谈话去接电话。答案：break away frombroke off13This produced a chain reaction，which made it possible for life to develop.这就产生了一系列的反应，使得生命得以发展了。 During this week，make it a
30、 rule to jog every day.在这一周当中要养成天天进行慢跑的习惯。They made_clear to the public that they did an important and necessary job.他们向公众表明：他们所做的工作重要且必不可少。The heavy rain made it impossible for us_(go)out.大雨使得我们无法出去。The teacher raised his voice so that he could make himself_(hear)老师提高了嗓音以便于被别人听到。答案：itto goheard14Bu
31、t 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。They have three times as many cows as we have.他们的牛是我们的三倍。The worlds population has grown to more than six times_it was in 1800.目前世界人口与1800年相比已经增长到当时的六倍多。This
32、table is twice bigger than that one.This table is 3 times_that one.This table is 3 times_of that one.这张桌子是那张的3倍大。Its said that the power plant is now twice_as what it was.据说现在这个发电厂是过去的两倍大。答案：whatas big as；the sizeas large.用适当的连词填空1_ you have done might do harm to other people.2_ the manager will att
33、end the meeting tomorrow is not known.3_ caused the accident is still a complete mystery.4_ breaks the law will be punished.5_ he always came late made our teacher angry.单元语法专练：主语从句答案：1.What2.Whether3.What4.Whoever5.That.根据汉语提示，用句末括号内的英语单词完成句子1It made us happy_.(make)她当选为班长，这使我们很高兴。2_that you missed
34、 the film.(pity)你错过了那部电影真是太遗憾了。3_remains a mystery.(come)她是否会来，这还是个谜。答案：1.that she was made monitor2Its really a pity3Whether she will come(or not)4 _is to choose a company to invest in.(do)(2015湖北荆州、襄阳部分学校联考)你该做的是选择一个公司投资。5_about the city was its traditional culture and modern architecture.(impress)(2015湖北襄阳四校期中联考)这个城市给我们印象最深的是它的传统文化和现代建筑风格。答案：4What you should do5What impressed us most/best
