Unit 5　Section A　Starting out & Understanding ideas ppt课件 -(2022）新外研版高中《英语》选择性必修第一册.pptx

1、Unit 5 Revealing nature素养导航晨读晚诵素养导航晨读晚诵We like to consider ourselves the superior race,and we are.Its true that we are getting to know more and more,and we actually live in“the information age”.Our human vanity makes us believe that we really have to know everything!Surprisingly,we do not have this

2、ability.The question“What is happening in the Bermuda Triangle?”is the very proof.Where is the Bermuda Triangle located?The mysterious triangle is believed to be situated between Florida,Bermuda and Puerto Rico,where too many unusual events have happened.素养导航晨读晚诵On December the 5th 1945,five U.S.mil

3、itary planes took off from Florida on a clear day only to disappear over Bermuda.Furthermore,some other disappearances took place:in 1947,an American C54 plane simply disappeared at 100 miles from Bermuda;at 80 miles,a Star Tiger plane disappeared in 1948.Even Columbus had trouble in Bermuda.Some of

4、 his journals were about the strange happenings there:“the waters are changing their colour”and“compasses are going wild”.Maybe its why it is called the Devils Triangle or the Atlantic Cemetery.Many hypotheses were stated in order to explain the strange events.In spite of these attempts,the mystery

5、of the Bermuda Triangle remains unsolved.素养导航晨读晚诵Some people get to say that maybe aliens are involved in it.Other imaginative scientists relate the happenings in Bermuda to Einsteins theory,saying that the missing ships and planes are translated to another dimension of space and time and taken into

6、 another world.Maybe we will just have to wait to go to Heaven and ask the one who made it.The answer will surely be a satisfying one!素养导航晨读晚诵词海拾贝superior adj.更好的,占优势的vanity n.虚荣心cemetery n.公墓imaginative adj.富有想象力的典句欣赏The mysterious triangle is believed to be situated between Florida,Bermuda and Pue

7、rto Rico,where too many unusual events have happened.译文:人们都认为这个神秘的三角地带位于佛罗里达、百慕大和波多黎各之间,那里发生了太多不寻常的事件。分析:在该句子中be believed to do表示“被认为”;where引导定语从句,修饰先行词the mysterious triangle。素养导航晨读晚诵探究思辨1.What did the Columbus journals tell us?2.Why is the Bermuda Triangle called the Devils Triangle or the Atlanti

8、c Cemetery?答案:1.It told us there were some strange happenings in Bermuda Triangle.2.Because there have been many planes and ships disappearing over and in the Bermuda Triangle.Section AStarting out&Understanding ideas.知识体系图解 重点词汇 1.n.种子,籽 2.adj.遥远的 3.n.样本 4.v.猜想,怀疑,觉得 5.n.(动物的)原种,祖先 6.generate v.7.d

9、isgrace n.8.geologist n.9.evolution n.seeddistantsamplesuspectancestor产生,创造丢脸,耻辱地质学家进化(论)重点短语1.追溯到 2.与相似 3.适应 4.各种各样的 5.随着时间的推移 6.of all time 7.in question 8.be crowded with e to exist 10.be regarded as date back tobe similar toadapt toa variety of over time有史以来被提及的;讨论中的;相关的充满,满是开始存在被认为是重点句式1.but it

10、 was the birds that interested him the most.2.How do you think the human species will evolve in the future?.词汇拓展1.distant(n.)2.generate(n.)distancegeneration.阅读导学根据P50P51课文内容,回答下列问题。1.Why was Charles Darwin a disgrace to himself and all his family?A.Because he learned medical in the school.B.Because

11、 he decided to visit distant countries.C.Because he went for adventures after school.D.Because he left medical school with no degree.答案:D2.Whats Darwins favourite subject?A.Long distance journey.B.Living things.C.Medical degree.D.Natural environment.3.What did Darwin discover first?A.All species app

12、eared at the same time.B.All species had never changed.C.Some species were very similar.D.The evidence for changing environments.答案:D答案:A4.Many factors affect the evolution except.A.tools B.ancestorC.environmentD.food5.How did the people then react to Darwins discovery first?A.Respected.B.Refused.C.

13、Accepted.D.Believed.答案:A答案:B重点词汇重点句式随堂练习1.The oldest discovered fossil of the modern platypus dates back to about 100,000 years ago.(教材P49)已发现的最古老的现代鸭嘴兽的化石可以追溯到大约10万年前。【词汇精讲】date back to表示“起源于,追溯到”,相当于date from;常用一般现在时。All the objects are from the same excavation site in Sanxingdui and dates back to

14、 between 3,000 and 5,000 years ago.所有物品都来自同一个遗址三星堆遗址,它们可追溯到3 000至5 000 年前。This building which has a long history can date back to the Ming Dynasty.这座有着悠久历史的建筑可以追溯到明朝。重点词汇重点句式随堂练习【名师点睛】date back to和date from一般不用于进行时态。作后置定语时,常用动词-ing形式。重点词汇重点句式随堂练习重点词汇重点句式随堂练习重点词汇重点句式随堂练习2.As he studied these,he asked

15、 himself the question:how did different species come to exist?(教材P51)当他研究这些时,他问自己一个问题:不同的物种是如何形成的?【词汇精讲】exist是不及物动词,意为“存在;生存;生活”。Stop pretending the problem doesnt exist.别再假装这个问题不存在了。Many people wonder whether life exists on Mars.很多人想知道火星上是否有生命存在。重点词汇重点句式随堂练习【词汇拓展】existence n.存在;生存exist on靠生活bring/c

16、all into existence使产生;使成立come into existence开始存在;产生;成立in existence存在的;现存的;现有的put out of existence消灭;灭绝;杀死They existed on bread and water for over 5 months.他们靠面包和水生存了5个多月。Privately-owned kindergartens have come into existence since 1980s.自从20世纪80年代以来出现了私立幼儿园。重点词汇重点句式随堂练习重点词汇重点句式随堂练习3.Maybe animals ev

17、olved as they adapted to their changing environments?(教材P51)也许动物是在适应不断变化的环境时进化了?【词汇精讲】adapt意为“使适应”,常见搭配为adapt(oneself)to,意为“(使)适应于”。另外adapt还表示“改编”。Our son has adapted to a very different system of education.我们的儿子已经适应了一个非常不同的教育体制。My eyes adapted themselves to the light of the clouded moon.我的眼睛已适应了那朦胧

18、的月光。重点词汇重点句式随堂练习【词汇拓展】adapt sth from根据改编某物adapt.for.为而改写/改编adaptable adj.能适应的;可修改的adaptation n.适应;改编;改写本As far as I know,he is going to adapt his novel for a play.据我所知,他计划把自己的小说改编成戏剧。It is well known that the film Red Sorghum is adapted from the novel of the same title by Mo Yan.众所周知,电影红高粱是根据莫言的同名小说

19、改编而成的。重点词汇重点句式随堂练习重点词汇重点句式随堂练习重点词汇重点句式随堂练习4.Darwin suspected that the finches had evolved from a common ancestor,which had arrived on the islands a long time before.(教材P51)达尔文猜想这些雀鸟是从一个共同的祖先进化而来的,这个祖先很久以前就来到了这些岛屿上。【词汇精讲】suspect为动词,意为“猜想;怀疑”;作名词时,意为“嫌疑犯”。作形容词时,意为“可疑的,不可信的”。If you suspect a gas leak,d

20、o not turn on an electric light.如果你怀疑有煤气泄漏,就不要打开电灯。Two suspects are now being interrogated in connection with the killing.与杀人案有关的两名犯罪嫌疑人正在接受审讯。重点词汇重点句式随堂练习【词汇拓展】suspect sb to be猜想某人suspect sb of(doing)sth怀疑某人(做)某事suspicious adj.有疑心的;表示怀疑的be suspicious of对起疑suspiciously adv.怀疑地;猜疑地How do you advertis

21、e a social movement that is suspicious of advertising?你要如何为一个对广告持怀疑态度的社会运动做广告呢?I knew him,and you now find that my suspicion was not groundless.我认识他,你现在发现我的怀疑不是没有根据的了吧。重点词汇重点句式随堂练习 重点词汇重点句式随堂练习5.But Darwins scientific studies were so convincing that more and more people started to believe his theory

22、.(教材P51)但是达尔文的科学研究是如此令人信服,以至于越来越多的人开始相信他的理论。【词汇精讲】句中的convincing是形容词,意为“有说服力的;令人信服的”。The data you have collected is not enough to be convincing.你们收集的材料说服力不足。This argument seems convincing,but is easily overturned.这个论点好像令人信服,但很容易就被推翻了。重点词汇重点句式随堂练习【词汇拓展】convince vt.使确信,使信服;说服convinced adj.确信的;坚信的convin

23、ce sb of sth使某人相信某事convince sb to do sth说服某人做某事be convinced of确信;坚信be convinced that.坚信He was convinced that his theories were correct.他确信他的学说是正确的。We convinced Anne to go by train rather than plane.我们说服了安妮放弃乘飞机,而是坐火车离开。重点词汇重点句式随堂练习重点词汇重点句式随堂练习 重点词汇重点句式随堂练习6.Today,On the Origin of Species is regarded

24、 as one of the most important works ever written.(教材P51)今天,物种起源被认为是有史以来最重要的著作之一。【词汇精讲】regard为及物动词,意为“把看作”,常见搭配为be regarded as,意为“被看作”;另外还有“注重;考虑;看待;尊敬”之意。regard作名词,表示“注意;尊重;问候;凝视”之意。Human life is regarded as part of nature and,as such,the only way for us to survive is to live in harmony with nature.

25、人的生命被认为是大自然的一部分,同样,我们生存的唯一方式就是与大自然和谐相处。重点词汇重点句式随堂练习【词汇拓展】in/with regard to/regarding关于,至于regard.as把看作in this/that regard在这/那方面;在这/那一点上give my best regards(to sb)请代我问候(某人);请代我(向某人)致意regardless of不管,不顾We regard him as a real friend of us.我们把他当作我们真正的朋友。Boys and girls tend to be different in this regard

26、.男孩和女孩在这方面往往有所不同。Do give her my regards.务必代我向她问好。重点词汇重点句式随堂练习重点词汇重点句式随堂练习重点词汇重点句式随堂练习1.but it was the birds that interested him the most.(教材P51)但使他最感兴趣的是那些鸟。【句式剖析】该句是一个强调句型,强调的是句子的主语the birds。It was the English teacher who encouraged me to read books every day.是英语老师鼓励我每天都要读书的。重点词汇重点句式随堂练习【句式拓展】(1)强调

27、句型的基本结构为“It is/was+被强调部分+that/who+其余部分”。被强调的部分通常是句子的主语、宾语和状语;被强调部分如果是人,用that和who都可以,如果强调的是人以外的其他成分,则只能用that。(2)如果强调not.until.句型中until引导的时间状语,not要放到until前面。(3)强调句型的一般疑问句是把is或was提前;其特殊疑问句结构为:特殊疑问词+be+it+that/who+其余部分。重点词汇重点句式随堂练习(4)强调句型的辨别方式为:把it is/was及that去掉,依然是一个完整的句子;否则,就不是强调句型。It is I who/that am

28、 to blame for the traffic accident.应为这起交通事故负责任的是我。It was not until he left me that I realized he was very important to me.直到他离开我,我才意识到他对我有多么重要。Where was it that you met the famous scientist?你是在哪里遇见那位著名的科学家的?重点词汇重点句式随堂练习重点词汇重点句式随堂练习重点词汇重点句式随堂练习2.How do you think the human species will evolve in the f

29、uture?(教材P52)你认为人类物种将来会如何进化?【句式剖析】本句使用了think构成的双重特殊问句,也叫混合疑问句,即“特殊疑问词+do you think+宾语从句”,此时的do you think是插入语。类似用法的谓语动词还有hope,believe,suppose,guess,say,consider,imagine,suggest等。一般说来,插入语不影响句子成分,去掉后句子结构依然完整。Where do you suggest we spend our holiday?你建议我们去哪里度假?What do you think he will buy for your bir

30、thday?你认为他将为你的生日买什么呢?重点词汇重点句式随堂练习【句式拓展】(1)作主语的疑问词+do you think/suppose/believe/imagine/say/suggest+谓语部分。(2)非主语的疑问词+do you think/suppose/believe/imagine/say/suggest+主语+谓语部分。(3)该句型不受do you think的影响,始终用陈述句语序。(4)如果插入语是do you suggest时,句子的谓语要用(should+)do。(5)不能用yes或no来回答这样的特殊疑问句,应用完整的句子来回答。When do you thin

31、k the naughty boy will finish his homework?你认为这个淘气的小男孩什么时候会完成作业?Where do you think they should go?你认为他们该去哪儿?I think theyd better go to Shanghai.我认为他们最好去上海。重点词汇重点句式随堂练习重点词汇重点句式随堂练习重点词汇重点句式随堂练习重点词汇重点句式随堂练习.课文语法填空Charles Darwin was a geologist and naturalist,1._ (fascinate)by rocks,plants and animals.H

32、owever,he once was considered as 2.disgrace to all his family.In 1831,he left England on the ship,the Beagle.His room on the ship was crowded 3._ samples of the plants and animals he 4.(collect).Darwin didnt believe that all species had appeared on Earth at the same time.When the ship reached the Ga

33、lpagos Islands,Darwin saw a 5.(various)of new species.However,it was the birds6._ interested him the most.He noticed that there 7.(be)a difference between the finches on each of the islands,which led him 8._ (suspect)the finches had evolved from a common ancestor.fascinatedawithhad collectedvarietyt

34、hatwasto suspect重点词汇重点句式随堂练习Darwin explained the theory of evolution in his book,On the Origin of Species,which wasnt published until 1859 and 9.(immediate)caused a storm.Today,the book is regarded as one of 10.(importance)works ever written.immediatelythe most important重点词汇重点句式随堂练习.概要写作根据P50P51课文内容

35、写一篇60词左右的内容概要。参考范文Where we people come from is a problem that has puzzled us for thousands of years.(要点1)It was Charles Darwin who found the answer to the problem.He began his journey by chance.During the journey,he was fascinated by various living things,and found some species were so similar to each other.(要点2)But his idea was refused in the beginning.Later,his studies were so convincing that more and more people believed his theory.(要点3)