2022高考英语一轮复习-Unit-3-Under-the-sea-课件-新人教版选修72.ppt

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1、Unit 3Under the sea 课前课前10分钟分钟短文填空短文填空 It takes time for a new technology to everyday life. In most cases，the first to use it are and businesses.For example，electricity was used in factories and did not become to homes until several years later.The same was true for and cellphones.In the early days，

2、computers were so large， and difficult to use that only government and industry experts could use them.Soon， ，the technology became cheaper and programmes were for people who had little or no training.entergovernmentsfirstavailablecomputersexpensivehoweverdeveloped第一页，编辑于星期四：二十二点 四十二分。 漫画欣赏漫画欣赏 画面描述

3、画面描述 A boy，holding a book titled “Civic Virtue” in the air，cries，“Who lost it？” Just in front of him is another boy，who is throwing banana peel onto thestreet. Meanwhile a welldressed couple nearby is spitting. 寓意理解寓意理解 Some people ignore civic virtue in society.They have got into the habit of litte

4、ring and spitting in public places. 你能否对此加以扩展，写一篇你能否对此加以扩展，写一篇120词左右的小短文？词左右的小短文？第二页，编辑于星期四：二十二点 四十二分。课堂双基回归课堂双基回归.词义辨析词义辨析1Over the years，Chinas economy has been developing steadily，with an average A growth rate of 9%. Aannual Bambitious Cabsurd Dtypical2He C for a cup of tea before continuing his

5、speech. Adragged Bdived Cpaused Dsucked3Police caught up with one of the gang，but the other three B . Ascared Bfled Cjogged Dresigned4Our car broke down，and we had to D it and walk the rest of the way. Aurge Bconduct Cdivorce Dabandon第三页，编辑于星期四：二十二点 四十二分。5Cars without security devices are an easy C

6、for the thief. Awitness Btide Ctarget Dprofit6Seans strong love for his country is B in his recently published poems. Arelieved Breflected Cresponded Drecovered7The goat seemed to be A of the dangers and started to run. Aaware Bclumsy Cfregile Dshallow8Im not surprised that he became a writer.Even a

7、s a child he had a D imagination. Aelegant Bcautious Cawful Dvivid第四页，编辑于星期四：二十二点 四十二分。9The final score of the basketball match was 9394.We were only C beaten. Atightly Bslightly Cnarrowly Droughly10Keep your kids away from the C knives.They may cut themselves. Apure Bgrand Csharp DFirm.短语填空短语填空 let

8、 go；be terrified of；aware of；in between；help sb.out； upside down；sort out；draw close；in the meantime；hold up 1He was obviously in some kind of trouble，but I didnt know how I could .help him out 第五页，编辑于星期四：二十二点 四十二分。2She told me to _ the papers that could be thrown away.3The building work has been _

9、by the bad weather.4Christmas is .Mother is busy preparing gifts for her children.5I like skiing and ，I know it is very dangerous.6When she came back home，she found her house had been turned by the burglars.sort outheld updrawing closein the meantimeupside down第六页，编辑于星期四：二十二点 四十二分。7Its time someone

10、made him _ the effects of his actions.8When the girl _ her fathers hand，she fell down.9We have two lessons this morning，but theres some free time .10I flying.Id rather go by sea.aware oflet goin betweenam terrified of第七页，编辑于星期四：二十二点 四十二分。.完成句子完成句子1_ (由于受了重伤由于受了重伤)，the whale soon died.(wound)2It took

11、 over half an hour to get the boat back to James， and when we approached him，I _ (看到老汤姆在水中托着詹姆看到老汤姆在水中托着詹姆 斯斯)(hold)3 (我的心急剧地跳动着我的心急剧地跳动着) I felt very exposed in such deep clear water.(wildly)Being badly woundedsaw James being held upin the water by Old TomMy heart was beating wildly第八页，编辑于星期四：二十二点

12、四十二分。.单项填空单项填空1It was a time when the killer whales，or “killers”A they were then called，helped the whalers catch the baleen whales that were on their annual migration. Aas Bwhich Cwhat Dthat2I had already heard that George didnt like B waiting， so even though I didnt have the right clothes on，I race

13、d after him. Akeeping Bbeing kept Cto keep Dto have kept3As we C closer，I could see a whale being attacked by a pack of about six other killers. Atook Bstruck Cdrew Dreached 第九页，编辑于星期四：二十二点 四十二分。4The fish didnt seem to mind me D among them. Ato swim Bto be swimming Cswim Dswimming5I told myself they

14、 werent dangerous but that didnt stop me A feeling scared to death for a moment! Afrom Bagainst Coff Dbeyond第十页，编辑于星期四：二十二点 四十二分。知识要点整合知识要点整合核心词汇梳理核心词汇梳理1witness vt. 目睹；目击；为目睹；目击；为作证作证 Police are appealing to any driver who may have witnessed the accident. 警方正呼吁曾目睹这事故的司机出面作证。警方正呼吁曾目睹这事故的司机出面作证。 The

15、1980s witnessed increasing unemployment throughout Europe. 20世纪世纪80年代是全欧洲失业日益加剧的年代。年代是全欧洲失业日益加剧的年代。 句型句型witness to (doing/having done) sth.证明某事；证实做了证明某事；证实做了 某事某事 Her principal was called to witness to her good character.她她 的校长被传唤来证明她优良的品质。的校长被传唤来证明她优良的品质。第十一页，编辑于星期四：二十二点 四十二分。The driver witnessed t

16、o having seen the man enter the building.司机作证说，他看到此人进入那栋建筑物。司机作证说，他看到此人进入那栋建筑物。n. 证据；目击者证据；目击者提示提示witness经常与介词经常与介词to搭配。搭配。He has been a witness to a terrible murder.他目击了一起残忍的凶杀事件。他目击了一起残忍的凶杀事件。His good health is a witness to the success of the treatment.他身体健康证明这种疗法是成功的。他身体健康证明这种疗法是成功的。第十二页，编辑于星期四：二

17、十二点 四十二分。2opposite adj.相对的；相反的；对面的相对的；相反的；对面的 n相反的人或物相反的人或物 adv. 在对面地在对面地prep. 在在对面对面 He turned and walked in the opposite direction. 他转身朝着相反的方向走了。他转身朝着相反的方向走了。 The grocery store was on the opposite side of the street. 杂货店在街对面。杂货店在街对面。 Shes rather quiet，but her sister is just the opposite. 她相当文静，可她的

18、妹妹正好相反。她相当文静，可她的妹妹正好相反。第十三页，编辑于星期四：二十二点 四十二分。 The Browns live just opposite.布朗家就住在对面。布朗家就住在对面。 Its easy to findtheres a church just opposite my house. 我家很容易找，正对面有座教堂。我家很容易找，正对面有座教堂。 搭配搭配 opposite to在在的对面；与的对面；与相反相反 I sat opposite to him during the meal. 吃饭的时候我坐在他的对面。吃饭的时候我坐在他的对面。 The result was oppo

19、site to what we expected. 结果与我们所预料的正好相反。结果与我们所预料的正好相反。3urge vt. 催促；力劝；强烈要求催促；力劝；强烈要求 句型句型 urge sb.to do sth. 催促某人做某事，力劝某人做某事催促某人做某事，力劝某人做某事 Brown urged her to reconsider her decision. 布朗极力劝说她重新考虑自己的决定。布朗极力劝说她重新考虑自己的决定。第十四页，编辑于星期四：二十二点 四十二分。 提示提示 urge 后可接后可接 that 从句，从句中的谓语动词要用从句，从句中的谓语动词要用 “shouldv.”

20、形式，形式，should 可省略。可省略。 I urge that you read this report carefully. 我劝你仔细看看这份报告。我劝你仔细看看这份报告。 The report urged that all children be taught to swim. 这份报告呼吁给所有的儿童教授游泳。这份报告呼吁给所有的儿童教授游泳。4aware adj. 觉察到的；意识到的；知道的觉察到的；意识到的；知道的 As far as Im aware，nobody has done anything about it. 据我所知，尚无人对此采取任何措施。据我所知，尚无人对此采

21、取任何措施。 搭配搭配 be aware of 知道；意识到；觉察到知道；意识到；觉察到 Most smokers are perfectly aware of the dangers of smoking. 大多数吸烟者完全知道吸烟的危害。大多数吸烟者完全知道吸烟的危害。第十五页，编辑于星期四：二十二点 四十二分。 They suddenly became aware of people looking at them. 他们突然意识到有些人在瞧着他们。他们突然意识到有些人在瞧着他们。 提示提示 aware 后可接后可接 that 或或 wh 从句。从句。 Were you aware th

22、at your son was having difficulties at school? 你知道你儿子在学校学习有困难吗？你知道你儿子在学校学习有困难吗？ I was aware that she was trembling.我察觉到她在发抖。我察觉到她在发抖。 链接链接 be awake to.觉察到觉察到 be conscious of. .发觉发觉，察觉到，察觉到 be sensible of.察觉到察觉到，意识到，意识到第十六页，编辑于星期四：二十二点 四十二分。重点短语例释重点短语例释1help out 帮助帮助(摆脱困境或危难摆脱困境或危难) ) If you havent g

23、ot time to finish，Ill help you out. 如果你来不及做完，我会帮你一把。如果你来不及做完，我会帮你一把。 He was obviously in some kind of trouble，but I didnt know how I could help him out. 他显然遇到了麻烦，但我不知道应该怎样帮他。他显然遇到了麻烦，但我不知道应该怎样帮他。2sort out 分类；整理分类；整理 We must sort out the good apples from the bad. 咱们得把好苹果拣出来，同坏的分开。咱们得把好苹果拣出来，同坏的分开。 第十

24、七页，编辑于星期四：二十二点 四十二分。 It is necessary that he (should) sort out the information for my reference. 他有必要整理些资料供我参考。他有必要整理些资料供我参考。3let go 松开；放手松开；放手 Dont let go the rope.握紧绳子别松手。握紧绳子别松手。 Let go! Youre hurting me.松手！你把我弄痛了。松手！你把我弄痛了。4hold up 举起；抬起举起；抬起承受住；支撑承受住；支撑维持；保维持；保 持良好持良好阻挡；使停顿；耽误阻挡；使停顿；耽误 The pupi

25、l held up his hand to ask the teacher a question. 那个学生举手要问老师一个问题。那个学生举手要问老师一个问题。 The chair was too weak to hold him up. 那把椅子承受不住他的重量。那把椅子承受不住他的重量。 第十八页，编辑于星期四：二十二点 四十二分。 I hope the fine weather will hold up. 我希望这么好的天气会持续下去。我希望这么好的天气会持续下去。 提示提示 hold up 作作“阻挡，使停顿，耽误阻挡，使停顿，耽误”解时，常用被动解时，常用被动 语态语态。 We we

26、re held up for five minutes in a traffic jam. 我们赶上了交通阻塞，被耽误了我们赶上了交通阻塞，被耽误了5分钟。分钟。 链接链接 keep up 继续，坚持继续，坚持 take up 开始从事于，占据，拿起开始从事于，占据，拿起 bring up 抚养，培养抚养，培养 make up 组成，编造，化妆组成，编造，化妆 pick up 拾起，学会，得到，拾起，学会，得到，( (用车用车) )去接，搭载去接，搭载 put up 搭建起，张贴，投宿搭建起，张贴，投宿第十九页，编辑于星期四：二十二点 四十二分。 set up 建立，建造建立，建造 show

27、up 露面，出席露面，出席 throw up 呕吐呕吐 turn up 出现，出席，调高出现，出席，调高(音量音量) 5.in between 在两者之间在两者之间 Youd have a good view of the sea from here except for the block of flats in between. 要不是隔着这座公寓大楼要不是隔着这座公寓大楼, ,大海的景色就可以从这里一览大海的景色就可以从这里一览 无遗无遗。 Society is made up of a variety of people;some are good, others bad,and st

28、ill others in between. 社会是由形形色色的人组成。有些人很好，有些人很坏，社会是由形形色色的人组成。有些人很好，有些人很坏， 也有些人介乎两者之间。也有些人介乎两者之间。第二十页，编辑于星期四：二十二点 四十二分。疑难语句细解疑难语句细解1.a large wiselooking turtle was passing so close to me that I could have touched it.一只长相聪慧的大海龟紧贴着我的一只长相聪慧的大海龟紧贴着我的 身旁游过，几乎伸手便可触及。身旁游过，几乎伸手便可触及。 【要点指南】【要点指南】 could have d

29、one sth. 意为意为“本来能做某事本来能做某事(却却 没做没做)”，表示一种责备、埋怨或训斥等语气，与，表示一种责备、埋怨或训斥等语气，与should have done sth.的意思差不多。另外，的意思差不多。另外，might have done sth.“本来会做某事本来会做某事(却没做却没做)”也表示同样的语气也表示同样的语气。 I could have lent you the money.Why didnt you ask me? 我本来可以把钱借给你的，你为什么没有向我借呢？我本来可以把钱借给你的，你为什么没有向我借呢？第二十一页，编辑于星期四：二十二点 四十二分。 You

30、 could have warned me she was coming. 你本应该告诉我她要来的。你本应该告诉我她要来的。 拓展拓展 could have done与与might have done 也可表示推测语也可表示推测语 气，意为气，意为“可能做了某事可能做了某事”，could多用于否定句或疑问句多用于否定句或疑问句 中，这时与中，这时与can have done和和may have done用法相同。用法相同。 She couldnt/cant have been to London，for she knows nothing about it. 她不可能去过伦敦，因为她对伦敦一无

31、所知。她不可能去过伦敦，因为她对伦敦一无所知。 He might/may have gone to sleep，for the light is turned off.他可能已睡觉了，因为灯已熄灭。他可能已睡觉了，因为灯已熄灭。第二十二页，编辑于星期四：二十二点 四十二分。2The water was quite shallow but where the reef ended， there was a sharp drop to the sandy ocean floor.水很浅，水很浅， 但到了珊瑚礁的尽头，就有一个陡坡，一直降到满是沙但到了珊瑚礁的尽头，就有一个陡坡，一直降到满是沙 子的

32、海底。子的海底。 【要点指南】【要点指南】 where此处引出地点状语从句。地点状语此处引出地点状语从句。地点状语 从句一般放在主句之后，但在一些谚语中或表示抽象意从句一般放在主句之后，但在一些谚语中或表示抽象意 义的句子中，常把地点状语从句放在主句之前。此时的义的句子中，常把地点状语从句放在主句之前。此时的 where大体相当于大体相当于in/at the place where，所以不可象引，所以不可象引 导定语从句的导定语从句的where那样换成那样换成in/at which。 Please stay where you are.请你待在原地。请你待在原地。第二十三页，编辑于星期四：二十

33、二点 四十二分。 You must keep the little child where you can see him. 你要让这个小孩待在你能看得见他的地方。你要让这个小孩待在你能看得见他的地方。 Dont leave the medicine bottle where the children can get it. 不要把药瓶放在孩子们够得着的地方。不要把药瓶放在孩子们够得着的地方。 Where there is a will，there is a way.有志者，事竟成。有志者，事竟成。 Where others are weak，he is strong. 别人的弱点正是他的优势

34、。别人的弱点正是他的优势。第二十四页，编辑于星期四：二十二点 四十二分。突破阅读理解突破阅读理解 怎样快速捕捉主题句怎样快速捕捉主题句( (三三) ) 【方法技巧】【方法技巧】 主题句位于主题句位于however，but，yet等信息词后。你要明白，等信息词后。你要明白， 作者在文章中突然使用了表示转折意义的副词或连词时，作者在文章中突然使用了表示转折意义的副词或连词时， 就表示作者的写作重心是在后面，而不是前面。所以，就表示作者的写作重心是在后面，而不是前面。所以， 抓住这些信息词能使你快速捕捉住主题句。抓住这些信息词能使你快速捕捉住主题句。 【实例验证】【实例验证】 In the West

35、，having a successful lifestyle often means having material goods such as a large house (or two)，a large car (or two)，private schooling for the children，第二十五页，编辑于星期四：二十二点 四十二分。 designer clothes，foreign holidays in exotic locations (winter and summer)，all mod cons (现代化设备现代化设备) However，it could be argu

36、ed that this emphasis on financial and material success can lead to people becoming locked into (受困于受困于) an unfulfilling lifestyle， though a luxury one，working harder and harder to become more and more successful financially in order to buy more and more luxury items.第二十六页，编辑于星期四：二十二点 四十二分。What does

37、 the author want to tell us in this paragraph? AThe advantages of success. BThe disadvantages of success. CA successful lifestyle. DHard work leads to successful life. 答案答案：B 【实践应用】【实践应用】 Imagine youre at a party full of strangers.Youre nervous. Who are these people? How do you start a conversation?

38、 Fortunately，youve got a thing that sends out energy at tiny chips in everyones name tag (标签标签)The chips send back name， job，hobbies， and the time available for meetingwhatever. 第二十七页，编辑于星期四：二十二点 四十二分。 Making new friends becomes simple. This hasnt quite happened in real life.But the world is already

39、 experiencing a revolution using RFID technology. An RFID tag with a tiny chip can be fixed in a product， under your pets skin，even under your own skin.Passive RFID tags have no energy sourcebatteries because they do not need it.The energy comes from the reader，a scanning device(装置装置)，that sends out

40、 energy (for example，radio waves)that starts up the tag immediately. Such a tag carries information specific to that object， and the data can be updated.Already，RFID technology is used for recognizing each car or truck on the road and it第二十八页，编辑于星期四：二十二点 四十二分。 might appear in your passport.Doctors c

41、an put a tiny chip under the skin that will help locate and obtain a patients medical records.At a nightclub in Paris or in New York the same chip gets you into the VIP (very important person) section and pays for the bill with the wave of an arm. Take a step back: 10 or 12 years ago，you would have

42、heard about the coming age of computing.One example always seemed to surface: Your refrigerator would know when you needed to buy more milk.The concept was that computer chips could be put everywhere and send information in a smart network that would make ordinary life simpler.第二十九页，编辑于星期四：二十二点 四十二分

43、。 RFID tags are a small part of this phenomenon.“The world is going to be a loosely coupled set of individual small devices，connected wirelessly，” predicts Dr.J.Reich.Human right supporters are nervous about the possibilities of such technology.It goes too far tracking school kids through RFID tags，

44、they say.We imagine a world in which a beer company could find out not only when you bought a beer but also when you drank it.And how many beers.Accompanied by how many biscuits. When Marconi invented radio，he thought it would be used for shiptoshore communication，not for pop music. Who knows how RF

45、ID and related technologies will be used第三十页，编辑于星期四：二十二点 四十二分。 in the future.Heres a wild guess: Not for buying milk.The article is intended to_. Awarn people of the possible risks in adopting RFID technology Bexplain the benefits brought about by RFID technology Cconvince people of the uses of RFID technology Dpredict the applications of RFID technology 答案答案：D点击此处进入点击此处进入 课后能力训练课后能力训练点击此处进入点击此处进入 英语文化憩园英语文化憩园第三十一页，编辑于星期四：二十二点 四十二分。