高中英语第一篇教材Unit5课件外研版选择性必修第一册-161153.ppt--（课件中不含音视频）--（课件中不含音视频）

1、第一篇第一篇 教材过关教材过关UnitUnit 5 5Revealing natureRevealing natureSection Starting out&Understanding ideas.课标单词1.单词拼写 /smp()l/n.样本 /sspekt/v.猜想,怀疑,觉得 /ivlu()n/n.进化(论)自主学习自主学习激发潜能激发潜能samplesuspectevolution2.根据英文释义选词填空 finchdisgraceancestorbeakseed :the hard pointed or curved outer part of a birds mouth :a s

2、mall bird with a short strong beak :the loss of other peoples respect and approval because of the bad way sb.has behaved :the small hard part produced by a plant,from which a new plant can grow :a person in your family who lived a long time agobeakfinchdisgraceseedancestor3.词汇拓展 /dstnt/adj.遥远的distan

3、ce/dstns/n.距离 /dildst/n.地质学家geology/dildi/n.地质学geological/dildkl/adj.地质(学)的 /vlv/v.进化evolution/ivlu()n/n.演变;进化(论)/denret/v.产生;创造generation/denren/n.(能源的)产生;一代人 distantgeologistevolvegenerate.情境词块1.answer the call 2.first choice 3.be a disgrace 4.lead to 5.of all time 6.in question 7.be crowded with

4、响应号召最佳选择是耻辱,是丢脸的事导致有史以来讨论中的；不确定充满,满是e to exist 9.at the same time 10.adapt to 11.inspire sb.to do sth.12.a variety of 13.according to 14.be regarded as 15.begin with 开始存在同时适应激励某人做某事多种多样的根据被看作以开始.情境佳句1.这个年轻人从医学院肄业。2.而且,在他刚收到的父亲的来信中,父亲预言他将会成为“自己和全家人的耻辱”。3.我们提到的这个年轻人就是地质学家和博物学家查尔斯达尔文,他对岩石和动植物有着浓厚的兴趣。4.

5、但是达尔文的科学研究很有说服力,以至于越来越多的人开始接受他的理论。.文本理解Step 1Reading for the main idea.What is the main idea of the text?A.Introduce how On the Origin of Species was written.B.Tell why Charles Darwin travelled on the Beagle.C.Share who was Charles Darwin with readers.D.Introduce how a theory of evolution was discov

6、ered.答案D文本互动文本互动合作探究合作探究Step 2Reading for the structure.Fill in the following blanks with proper words.medicaldisgracerocks,plants and animalsEnglandcome to existinterestednew speciesOn the Origin of SpeciesStep 3Reading for the details.Choose the best answer according to the text.1.When did Charles

7、 Darwin begin his journey of discovery?A.In 1831.B.In 1835.C.In 1836.D.In 1859.答案A2.What interested Darwin the most on the Galpagos Islands?A.Fishes.B.Birds.C.Forests.D.Islands.答案B3.According to Darwin,how did new species of plants and animals come to exist?A.They came from the same place.B.They app

8、eared on Earth together.C.They evolved from their ancestors.D.They often changed themselves.答案C4.What caused the theory of evolution to appear?A.Darwins journey on the Beagle.B.The writing of On the Origin of Species.C.The remarks from Darwins father.D.The captain of the ship,the Beagle.答案A.难句突破1.图解

9、难句自我分析这是一个 句,其中who引导 从句,主句部分为 结构,the Beagle是the ship的语,过去分词短语yet little known是后置定语,修饰countries。尝试翻译 主从复合定语主谓宾同位贝格尔号的船长想要招募这样一名船员,这名船员将能“借此机会访问遥远而鲜为人知的国家并从中受益”。自我分析这是一个 句,第一分句中When引导 从句;第二分句为强调句,强调 语。尝试翻译 2.图解难句并列复合时间状语主1835年,当贝格尔号抵达加拉帕戈斯群岛时,达尔文发现了各种各样的新物种,但最令他感兴趣的是鸟类。.文本复述Step 1Question Answering根据课

10、文内容回答下列问题。1.How and when did Charles Darwin go aboard on the Beagle?Charles Darwin answered the call of the captain of the ship,the Beagle,and in 1831 he left England on the ship.2.What did the journey give him?The journey gave him the chance to study various living things in their natural envir-onm

11、ents.3.On the Galpagos Islands in 1835,what interested him the most?When the Beagle reached the Galpagos Islands,the birds interested him the most.4.By studying,what was the answer to how new species of plants and animals came to exist?They evolved from earlier ancestors.5.What was put forward by Da

12、rwin?He put forward a theory of evolution.6.When was his book On the Origin of Species published?It was not published until 1859 and immediately caused a storm.Step 2Text Retelling将以上句子连成一篇语言流畅、用词准确、逻辑严密的60词左右的短文。Charles Darwin answered the call of the captain of the ship,the Beagle,and in 1831 he l

13、eft England on the ship.The journey gave him the chance to study various living things in their natural environments.When the Beagle reached the Galpagos Islands,the birds interested him the most.By studying,he got the answer to how new species of plants and animals came to exist：they evolved from e

14、arlier ancestors.Later,he put forward a theory of evolution.His book On the Origin of Species was not published until 1859 and immediatelycaused a storm.板块一语言知识板块一语言知识1.The captain of the ship,the Beagle,wanted someone who would“profit by the opportunity of visiting distant countries yet little know

15、n”.贝格尔号的船长想要招募这样一名船员,这名船员将能“借此机会访问遥远而鲜为人知的国家并从中受益”。(教材P50)Paraphrase:The captain of the ship,the Beagle,needed someone who would bene-fit from the chance to visit countries that were far away and unknown.新知清障新知清障素养构建素养构建语言点1distant adj.遥远的;远亲的;疏远的情境探究情境探究It was difficult to get to know her because s

16、he always kept everyone at a dis-tance.很难去了解她,因为她总是与每个人保持距离。Shes always very distant and cold,so I have to keep her at a distance.她总是很冷淡和疏远,所以我不得不与她保持距离。The picture where a girl is staring at the mountain in the distance looks more beautiful at a distance.那幅一个女孩凝望远山的画,从远处看会更漂亮。归纳拓展归纳拓展distance n.距离i

17、n the distance在远处at a distance隔一段距离;从远处at a distance of.在远的地方keep sb.at a distance与某人保持距离keep ones distance from.与保持距离,疏远学以致用学以致用(1)单句填空He wanted to get away from everything,so he moved to a (dis-tance)land.Travelers should not feed the wild animals a close distance be-cause they may attack people.T

18、he railway station is at distance of two miles from our school.distantina(2)单句写作往更远处看,我可以欣赏白雪皑皑的群山。Farther ,I could enjoy the view of snowy mountains.in the distance2.The person who answered the call was not the captains first choice.来应聘的人并不是船长心中的理想人选。(教材P50)语言点2answer the call响应号召情境探究I cant answer

19、the telephone.I am having a bath.我不能接电话,我正在洗澡。You will have to answer for your behaviour one day.总有一天你要为你的行为承担责任。I wish I knew the answer to your question.但愿我知道你的问题的答案。I dont quite know what to say in answer to your question.我不太清楚如何回答你的问题。归纳拓展归纳拓展(1)answer v.答复;回答;应答;适合;符合answer to sb.(for sth.)向某人(

20、为某事)负责(2)answer n.回答;答案;回应;足以媲美的人 the answer to.的答案(to为介词)in answer to回答,应答,响应温馨提示温馨提示answer for后可接名词或代词,一般不接 that 从句,若要接这类从句,通常应先接it作形式宾语。学以致用学以致用(1)单句填空The answer this question is now under exploration.Knowing her well,I can certainly answer her honesty.The doctor came at once answer to our teleph

21、one call.(2)单句写作我不能保证他是诚实的。I cant answer for .toforinhis honesty3.Despite all this,his adventures on this ship would lead to one of the most impor-tant scientific discoveries of all time.尽管如此,他的这次乘船探险之旅将带来有史以来最重要的一项科学发现。(教材P50)语言点3of all time 有史以来 情境探究情境探究At one time I used to go skiing every winter

22、.曾经有一段时间,我每年冬天都去滑雪。She ran up the stairs two at a time.她一步两阶地跑上楼梯。He finished off two bowls of noodles in no time.他很快就吃完了两碗面条。The letter was in my pocket all the time.这封信一直在我的口袋里。At no time could I have said such a thing.我决不会讲出这种话。归纳拓展归纳拓展all the time一直at a time依次;每次at all times总是 at one time曾经,一度on

23、 time准时 in no time立刻in time及时at no time永不;在任何时候都不(该短语位于句首时,句子要用部分倒装)from time to time有时,间或,偶尔学以致用学以致用(1)单句填空We shall be landing in Paris in sixteen minutes,exactly time.The worst tornado all time occurred in 1925,affecting three US states:Missouri,Illinois and Indiana.Keep your head up,and look arou

24、nd you from time time.onofto(2)一句多译在任何时候你都不应该放弃读书。give up studying.You give up studying .At no time should youshould notat any time4.The young man in question,Charles Darwin,was a geologist and naturalist,fas-cinated by rocks,plants and animals.我们提到的这个年轻人就是地质学家和博物学家查尔斯达尔文,他对岩石和动植物有着浓厚的兴趣。(教材P50)语言点4

25、in question讨论中的;有疑问;不确定情境探究情境探究The lady in question is not in the office now.谈到的那位女士现在没在办公室。Childrens lives are in danger every time they cross this road.孩子们每次过这条马路都面临着生命危险。We must try to live in peace and harmony with ourselves and those around us.我们必须努力和我们自己及周围的人和睦相处。We looked at each other in sil

26、ence.我们相顾无言。Even though you are in power,you cant just do whatever you want.即使你当权,你也不能为所欲为。归纳拓展归纳拓展“in+名词”短语,in 表示“(目前状态、形势)处于中”。in danger处于危险中in debt负债in doubt怀疑 in peace和平地;平静地in silence沉默地 in power当权in surprise惊讶地 in trouble处于麻烦中学以致用学以致用(1)单句填空The dam was danger because of the rising flood.The ex

27、istence of global warming is question.(2)单句写作我总是很怀疑他对这个问题的解释。Im rather about his explanation for this question.ininin doubt5.After Darwin had spent some time in South America,his room on the ship was crowded with samples of the plants and animals he had collected.在南美洲度过一段时间后,他的船舱里堆满了收集到的动植物样本。(教材P51

28、)语言点5be crowded with 充满;挤满情境探究情境探究The band played and the crowd cheered.乐队表演,观众欢呼。Thousands of people have crowded into the small town.成千上万的人涌入了这个小镇。I easily spotted him in the crowd because he was very tall.因为他个子非常高,所以我在人群中很容易就认出了他。归纳拓展归纳拓展(1)be crowded with=be filled with=be full of挤满(2)crowd n.人群

29、 a crowd of一群crowds of成群的(3)crowd v.聚集,拥挤crowd into涌入学以致用学以致用(1)单句填空Hotels are fully booked and the narrow streets are crowded won-derful customers.He lost his wallet yesterday when he was in a (crowd)bus.(2)单句写作这家餐馆在用餐时间总是客满。The restaurant customers at meal times.withcrowdedis always crowded with6.

30、As he studied these,he asked himself the question:how did different species come to exist?当他研究这些样本时,他产生了疑问:这些不同的物种是如何产生的?(教材P51)语言点6come to exist 开始存在情境探究情境探究Nothing exists on the moon as there is no water and no air.月球上没有东西生存,因为没有水和空气。No one knows when such a custom first came into existence.没有人知道这

31、种风俗是什么时候开始有的。Do you believe in the existence of ghosts?Perhaps they only exist in the minds of some people.你相信鬼魂的存在吗?或许它们只存在于一些人的想象中。Steven wrote him a note asking him to come to his apartment.斯蒂芬给他写了张便条,请他去自己的公寓。归纳拓展归纳拓展(1)exist vi.存在;生存;生活exist in存在于exist on依靠生存,依靠生活(2)existence n.存在;生存come into e

32、xistence开始存在;产生;成立in existence现存的;现有的(3)come to 苏醒;到达;共计;被想起;谈到误区警示误区警示exist是不及物动词,不用于被动语态,通常不用进行时。学以致用学以致用(1)赏句猜义I never expected those few items to come to so much.When he came to and raised his head he saw Barney.Im beyond my depth when it comes to natural sciences.(2)单句填空They cant exist the mone

33、y hes earned.This house has been in (exist)for many years.共计苏醒谈到onexistence7.Maybe animals evolved as they adapted to their changing environments?也许动物在适应不断变化的环境时进化了?(教材P51)语言点7adapt to 适应情境探究情境探究It was the culture,rather than the language,that made it hard for him to adapt to the new environment abr

34、oad.是文化而不是语言使得他很难适应国外的新环境。The author is going to adapt his novel for TV series.这位作者打算把他的小说改编成电视剧。This TV play was adapted from a historical novel.这部电视剧改编自一部历史小说。The adaptation of the play for a radio manuscript was easy.把剧本改编成广播稿很容易。归纳拓展归纳拓展(1)adapt v.(使)适应adapt(oneself)to使(某人自己)适应(2)adapt v.改编adapt

35、 from根据改编adapt.for.把改编(改装)为(3)adaptation n.适应;改编;改编的作品(4)adaptable adj.可适应的;有适应能力的易混辨析易混辨析adopt采用,采纳;收养;正式通过adapt改写;改编;适应;适合词汇助记词汇助记The young couple had no children of their own and adopted a boy after the earth-quake.After a few months,the boy came to adapt himself to the life in the new home.这对年轻夫

36、妻没有他们自己的孩子,在地震后收养了一个男孩。几个月后,这个男孩适应了新家庭的生活。学以致用学以致用(1)单句填空Three of her novels have been adapted television.This new film is said to be adapted a novel by Jane Austen.The world will be different,and we will have to be prepared to adapt the change.forfromto(2)单句写作随着时间的推移,我逐渐适应了学校的生活。As time went by,I g

37、radually .adapted myself to the school life8.When the Beagle reached the Galpagos Islands in 1835,Darwin saw a variety of new species,but it was the birds that interested him the most.1835年,当贝格尔号抵达加拉帕戈斯群岛时,达尔文发现了各种各样的新物种,但最令他感兴趣的是鸟类。(教材P51)语言点8a variety of 各种各样的 情境探究情境探究Some experts believe that the

38、 two language varieties are moving closer and closer.一些专家认为这两种语言变体正越来越接近。A wide variety of flowers were on show in the street.街上展出了各种各样的花。I was impressed by the variety of dishes on offer.供应的菜肴之丰盛让我印象深刻。Opinions on this matter vary from person to person.对于这件事,人们意见不一。The menu varies with the season.菜

39、单随季节而变动。归纳拓展归纳拓展(1)variety n.种类;变体,变种;变化,多样化the variety of.的种类a(wide)variety of./varieties of.各种各样的(2)vary v.相异;改变vary in.在方面不同vary from.to.从到不等vary with.随变化而变化(3)various adj.各种各样的误区警示误区警示“a variety of+名词”作主语,谓语动词与名词的数保持一致;“the variety of+名词”作主语,谓语动词用单数形式。学以致用学以致用(1)单句填空These cars vary size,price,co

40、lour and so on.We may have (vary)ways to deal with such a situation.The variety of apples (be)astonishing.invariousis(2)单句写作我们经常看到无意识的肢体语言的例子,但也有“习得的”肢体语言,这种肢体语言在不同的文化中各不相同。We see examples of unconscious body language very often,yet there is also“learned”body language,which .varies from culture to c

41、ulture9.Darwin suspected that the finches had evolved from a common ancestor,which had arrived on the islands a long time before.达尔文猜想这些雀鸟都是由共同的祖先进化而来的,这些雀鸟的祖先很久以前就来到了这片群岛。(教材P51)语言点9suspect v.猜想,怀疑,觉得情境探究情境探究I began to suspect(that)they were trying to get rid of me.我开始觉察出,他们正在试图摆脱掉我。Suspecting noth

42、ing,he walked right into the trap.他毫无觉察,径直走入陷阱。Some of the evidence they produced was highly suspect.他们出示的证据中有些相当成问题。I suspected him of stealing the jewelry from the store.我怀疑他从这个商店偷了珠宝。The young man is more intelligent than we suspected him to be.这个年轻人比我们猜想的更聪明。归纳拓展归纳拓展(1)suspect+n./pron.怀疑suspect+

43、that/wh-从句猜想/怀疑/觉得suspect sb./sth.to be怀疑某人/某事suspect sb.of.怀疑(某人有罪)(2)suspect n.嫌疑犯;嫌疑分子(3)suspect adj.不可信的;靠不住的;可疑的学以致用学以致用(1)赏句猜义If you suspect a gas leak,do not strike a match or even turn on an electric light.The police have now narrowed down their list of suspects.His fitness is suspect,so we

44、cant risk including him in the team.怀疑嫌疑犯不可信的(2)单句填空They suspected me having a hand in the affair.Nobody can possibly suspect he says.ofwhat10.It was not published until 1859 and immediately caused a storm.这本书直到1859年才出版,出版后立即引起轰动。(教材P51)语言点10句型公式:not.until.直到才 情境探究情境探究If you dont understand anything

45、,you may research,study,and talk to other people until you figure it out.如果你有任何事不明白,你可以研究、学习以及和其他人交谈直到你弄明白为止。Leave the bandage in position until the doctor tells you to remove it.让绷带保持原样,直到医生叫你拆掉为止。Not until you told me did I have any idea of it.直到你告诉我,我才知道这件事。Gaudi worked on the project from 1882 u

46、ntil his death in 1926.高迪从1882年起从事这项工程直至1926年去世。Youre not going out until youve finished this.你没把这事做完就不准出去。归纳拓展归纳拓展(1)在含有until引导的时间状语从句的主从复合句中,当主句的谓语动词为延续性动词(如live、wait、work等)时,主句常用肯定形式;当主句的谓语动词为短暂性动词(如go、come、leave、finish等)时,主句常用否定形式。(2)not.until引导时间状语从句时,若not until置于句首,主句要用部分倒装结构,而从句不用倒装。(3)until也

47、可用作介词,后接名词作宾语。学以致用学以致用(1)单句填空When the red light is on,please stop and wait the green light is on.He didnt apologize to me he realized that he was wrong.(2)句式升级She didnt find her mother alive until two days after the earthquake.she find her mother alive.untiluntilNot until two days after the earthqua

48、ke did11.And it all began with the journey on the Beagle.而这一切都开始于贝格尔号的探索之旅。(教材P51)语言点11begin with(=start with)以开始情境探究情境探究A journey of a thousand miles begins with a single step.谚语千里之行,始于足下。The teacher began the lesson with an English song.老师以一首英文歌曲开始了这节课。To begin/start with,we havent enough money;an

49、d secondly we havent enough time.首先,我们没有足够的资金;其次,我们没有足够的时间。归纳拓展归纳拓展(1)begin.with.以开始(动词短语)(2)to begin/start with 首先,第一(常作插入语,相当于副词)学以致用学以致用(1)单句填空To work out a plan,one has to start an investigation(调查).(begin)with,the authors name,Mark Twain,is itself an invention,or the“pen name”.(2)单句写作演出以一段五十多岁的

50、人耳熟能详的音乐开始。The show familiar to people in their fifties.withTo beginstarted/began with a piece of music用适当的词句补全教材原文。A Journey of Discovery The captain of the ship,the Beagle,wanted someone who would“profit by the opportunity of visiting countries yet little known”.The person who answered the call wa