《Unit+4+Extended+reading 高中英语牛津译林版（2020）选修第一册.pptx》由会员分享，可在线阅读，更多相关《Unit+4+Extended+reading 高中英语牛津译林版（2020）选修第一册.pptx（17页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、U4 Fun with scienceExtended readingLead-in1.What examples of bionics can you think of?Lead-in1.What examples of bionics can you think of?2.What is your understanding of the title?Naturesformsandfunctionshaveinspiredustoimitateitanddevelopmaterialsandtechnologiesthatimproveourlives.Section 1(Para.1)B
2、ionics is a science inspired by nature with alonghistory.Scientistsgenerallygothroughvariousstagestoapplyitsuccessfully.Scientists have come up with many novelapplications inspired by nature and they willdevelopmoreinthefuture.Thefieldofbionicshasenabledustorealizetheimportanceofnature.Section 2(Par
3、a.2)Section 3(Paras.35)Section 4(Para.6)ReadingRead Paragraphs 12 and answer the following questions.1.What is the definition of bionics?2.When does the term“bionics”date from?3.Why do scientists often need to go to great lengths to effectively combine nature and innovation?Bionicsisascienceoftaking
4、inspirationfromnature,whicheffectivelycombinesnatureandinnovationtoimproveourlives.Itofficiallydatesbackto1958,butthepracticeiscenturiesold,datingbackasfaras2,500years.Becausetheprocessofthestudyinvolvesfourstages,whichmayhavetobeperformedseveraltimesanditmaytakescientistsyearsoftrialanderrortoperfe
5、cttheproduct.Reading Read Paragraphs 35 and complete the notes below.ReadingApplications of bionicsPresent applicationsTaking inspiration from plantsOneideagrewfromobserving(1)_.Theseedsgrowatthe“goldenangle”of137.5,ensuringallofthemreceivesunlight.(2)_,the sunflowers face alsofollowsthesunspath.Sol
6、ar mirrors are arranged to(3)_ andpositionedatthesame“goldenangle”.Themirrorsarealsoprogrammedtofollowthesun.Thesolarpowerplantiseco-friendly,requiringlesslandtobuildonandlessenergytooperate.thesunflowersspiralseedpatternTocapturemaximumsunlightcopythespiralseedpatternTaking inspiration from animals
7、The brilliant blue wings of a butterfly species are covered with tinydiamond-shapedstructuresthatinteractwithlight,(4)_tobecancelledoutwhileintensifyingandreflectingothers.Scientistshaverecreatedthesemicrostructuresthatcan(5)_andproduceauniquevisualeffectalmostimpossibletocopy.Scientistshavedevelope
8、dpaintswithoutusingharmfulsubstances,which(6)_.beinsetintoReadingcausingsomecolourwavelengthslegaldocumentsandbanknotesnotonlylastlongerbutarealsomoreeco-friendlyReadingFuture applicationsInspiredbytheincrediblystrongexoskeletonofinsects,scientistsandengineersarenow(7)_.Theseexoskeletonscan(8)_andlo
9、ad-bearingcapabilitiesofthewearer.Areal-lifeIronMancouldbewaitingforusinthefuture.buildingroboticsuitsgreatlyimprovethemobility,strength sunflowerssolarmirrorsExample(Paragraph3)Reading butterflypaintsReadingExample(Paragraph4)proves_provides_ Read Paragraph 6 and complete the mind map.learnfromlook
10、foranswersourliveswithascenicbackdroptobeourgreatestteacherWhat is the relation between human and nature?Reading Write a summary of the science magazine article.ReadingBionics is a science of taking inspiration from nature,which effectivelycombinesnatureandinnovationtoimproveourlives.Overbillionsofy
11、ears,humanshavebeeninspiredtoimitatenaturesformsandfunctionsowingtoourcuriosity.Thoughtheprocessisnotsosimple,scientistshavesucceededin studying and taking advantage of nature to develop materials andtechnologies.Itiscertainthatourfuturewillseemanymorefascinatingpartnershipsbetweenthenaturalworldand
12、thetechnologicalonebecauseofadvancementsinbionics.Therefore,naturenotonlyprovidesourliveswithascenicbackdrop,itcouldalsoprovetobeourgreatestteacher.AppreciatingRead the first paragraph and answer the following questions.1.What does the author mean by saying“Humans are curious by nature,and about nat
13、ure”?2.Why is Lu Ban,a carpenter in ancient China,mentioned in this paragraph?The author intends to introduce the topic of bionics.Also,she wants toremind the reader thattheprogresshumanshavemadeisinseparablefromourcuriosityaboutthenaturalworld.Itisinhumansnaturetobecurious.Becausetheauthornotonlywa
14、ntstoexplainthatactuallybionicshasalonghistorybutalsowantstotellthereaderthatChinahasmadegreatachievementsinbionicssinceancienttimessoastoenhance our sense of national pride.Read the last Paragraph and answer the following question.How do you understand the sentence“As we work hard to make life bett
15、er for everyone,it is possible that nature has the answers to our most urgent questions,and all we have to do is look for them.”?Thissentenceisusedtoechothelastsentenceinthefirstparagraph.Also,itwantstotellusthatnatureissogreatthatwehumansshouldnotonlylearnmorefromit,butalsorespectitandliveinharmony
16、withit.Appreciating Work in pairs and discuss the following questions.1.What is the authors attitude towards bionics?2.What is the authors purpose of writing this article?Theauthorthinksbionicscanbenefitmankindandimprovepeopleslives.The author wants to stimulate the readers interest in bionics,culti
17、vatetheirspiritofscientificexplorationandappealtothemtolearnmorefromnature.Discussing3.What examples of bionics can you think of that have improved our life?CRHtrainitiscalledthebullettrainbecauseitisroundinfront.ThedesignerslearnfromtheKingfish.Thedesignmadeitgo10%fasteron15%lesselectricity.Discuss
18、ingTheuniqueunderwatercommunicationmethodemployedbydolphinsisbeingimitatedtodevelopatsunamiearly-warningsystem.DiscussingThebioniceyemayrestoresomesightfortheblind.TheNamibbeetle(纳米布沙漠甲虫)cangatherwaterfromfoginadesert.Whenscientistsfiguredouthowthisworked,architectsstarteddesigningbuildingsthatcouldgatherwaterfromtheairaswell.