人教版新课标高中英语选修8Unit 3Warming-up与Reabing 课件.ppt

Book8Unit3,Inventorsandinventions,1.Doyouknowwhattheseinventionsareandwhendidtheyhappen?,Telephone1876,television1923,colortelevision1940,Atomicbomb1945,Creditcards1950,Whataretheimportantinventionsofthe20thcentury?Whichdoyouthinkisthemostimportantone?,Warmingup,Discussion:WhowasEdison?Doyouknowhowmanyinventionshemade?Canyoumentionsomeofthem?Everybodyknowsheinventedtheelectricbulb.Alampcantgivelightwithoutelectricity.,ThomasEdisoninventedtheelectricbulb.,DidEdisoninventelectricity?Canelectricitybeinvented?Iselectricityaninventionordiscovery?Why?,2.Whichofthispicturesshowinventions?Doesanyofthemshowdiscoverers?,Stephensons“Rocket”,Anamphibiouscar,DNA,伽利略的望远镜,牛顿制造的反射望远镜,X射线广泛用于医学领域,谷腾堡发明的印刷机,英国钟表匠阿克莱特发明的水力纺纱机,3.Workoutrulesthatwillhelpyoudecidewhatisdiscoveryandwhatisaninvention?,(1)Adiscoveryisthethingthatmerelymakesknownsomethingthatalreadyexistsinnature,suchasthediscoveryontheNewContinentbyColumbia.,(2)Aninventionissomethingthatiscreatedbyhumanbeings,suchasthetelevision.,1.Electricity,1.Systemsofdeliveringelectricallightandheatingtohomesandoffices2.Householdmachinesforwashing,ironing,keepingfoodcold,etc3.Computers,telephones,television,etc,2.Themovementofair,1.Airplanejetengines2.Airballoons,etc,Machinestohelppeoplewithseriousdisease(likekidneyfailure),3.Thecirculationoftheblood,4.X-rays,Bodyscannerstoseewhetheryouareill2.Machinestotreatillnesses(likecancer),4.Nowinpairsdiscussanymoderninventionsyouknow.Describethemtoyourpartnerandhowusefultheyareinlifetoday.,Period2ReadingTheProblemOfTheSnakes,Doyouknowthestageseveryinventormustgothroughbeforetheycanhavetheirinventionapproved?Heregiveyousomesimilarstagesusedinresearch,pleaseworkoutasuitableorder.,Pre-reading,Applyingforapatent2.Findingaproblem3.Doingresearch4.Testingthesolution5.Thinkingofacreativesolution6.Decidingontheinvention,Asyoureadthefollowingpassage,checktheorderyouwroteabovetoseewhetheritfollowsthecorrectstagesinproducinganinvention.,Reading,Thetextnarratestheproblemofthesnakesandpresentstheproceduresofcatchingthemandapplyingforapatent,fromwhichwehavegotabetterunderstandingofhowtodoscientificresearchesandhowtoapplyfora,Fastreading,1.Whatsthemainideaofthetext?,patent.Afterlearning,weknowthatitusuallycostssometimeandcontinuouseffortsinordertosolvesomepracticalproblemsinascientificway.,Thewriterwantstoinformusofthescientificmethodstosolvepresentproblemsothatwestudentscannotonlybroadenthehorizonsbutbecomemoreskilledindiscoveringandconsideringcarefullytheproblemsindailylife.,2.Whatsthewritingpurposeofthewriter?,Wearealsoencouragedbythewritertobecreativeandhardworkingaswellasthinkingindependently.,Findaproblem,Thesnakesmustberemovedbutnotharmed,Doresearch,Lookformethodsofremoval;thehabitsofsnakes,3.Thestagesinmakinganinvention.,Testthesolutionseveraltimes,Trythreetimestomakeitworkefficiently,Applyforapatent,Thismeansthesolutionisrecognized,Thinkofacreativesolution,Identifythreepossibleapproaches:chooseone,1.打电话2.有时,偶尔3.摆脱,赶走4.使自己扬名,显摆自己5.生物6.一种新方法7.着手,开始8.决定9.把它们引入陷阱10.一个制作冰淇淋的器具11.同时,callup,nowandthen,getridof,distinguishoneself,livingcreatures,anewapproach,setabout,decideon,attractthemintoatrap,anice-creammaker,atthesametime,Task3：phrasesandsentences,12.消失在墙壁附近的洞里13.提起,拿起14.根据15.温顺的蛇16.把它们都释放到野外17.被某人督促,disappearintoaconvenientholeinthewall,pickup,accordingto,thepassivesnakes,releasethemallbackintothewild,bepressedby,18.专利局19.填表20.的问题21.这是因为我预料它还会再咬人。22.你看看我的银行节余金额就知道我是否成功了。,thepatentofficefillintheformamatterofThiswasintheexpectationthatthesnakeswouldbiteagain.YouwillknowifIsucceedbythesizeofmyblankbalance.,4.Dividethepassageintoseveralpartsandfindoutthemainideaforeachparagraph.,Part1(para.1),thediscoveryoftheproblemofthesnakes,Part2(para.2-3),theresearchontheapproachestosolvetheproblem,Part3(para.4-6),theattemptstocatchthesnakes,Part4(para.7-8),therequirementsofgettingapatent,LanguagepointsforreadingI,1.WhenIcalledupmymotherinthecountrysideonthetelephone,shewasveryupset.,callup打电话，使回忆起,今晚我会给你打电话。_,Illcallyouuptonight.,老相片引起了我对童年的回忆。_,Theoldphotocallsupmemoriesofmychildhood.,callbackcallforcallincalloncallat,召唤某人回来；再访；回电话需要，要求，接（人或物）邀请；请来拜访（人）拜访（某地）,Ex.-CanIdothejob?-Imafraidnot,becauseit_skillandpatience.callsonB.callsoutC.callsupD.callsfor,D,2.nowandthen时而；不时=sometimes,butnotoften,我偶尔看见他，但不常见。_我有时喜欢去看歌剧。_,Iseehimnowandthen,butnotoften.,Iliketogototheoperanowandthen.,fromtimetotime(every)nowandagainfromnowonjustnowsincethen,相关短语：,有时；不时时而；不时从现在开始，今后刚才从那时以来,3.Herewasachanceformetodistinguishmyselfbyinventingsomethingthatwouldcatchsnakesbutnotharmthem.,distinguishvt.&vi.,(1)辨别；辨认,从远处我能认出他们。_,Icandistinguishthematadistance.,(2)（常与from,between连用）区别；区分你能区分那两个物体吗？_应当教育孩子分辨好坏。Childrenshouldbetaughtto_,Canyoudistinguishbetweenthosetwoobjects?,distinguishrightfromwrong,(3)(常与from连用)使别于；有特点语言把人和动物区别开来。Speech_象因为有长鼻子而有别于其他动物。Elephants_bytheirlongtrunks.,distinguishesmenfromanimals,aredistinguished,(4)distinguishoneself显扬自己；使自己扬名,这个人因智慧而扬名。Theman_.,distinguishhimselfbyhiswisdom,bedistinguishedfromdistinguishfrombedistinguishedbybedistinguishedfor,不同于与加以区别辨别，把和区别开以为特征因而著称,distinguishedadj.distinguishingadj.distinguishableadj.,著名的，出名的有区别的可区别的,4.IsetaboutresearchingthehabitsofsnakessoIcouldtrapthemintheeasiestway.,setabout=setout:tobeginorstart着手；开始,他一到那儿就着手解决问题。He_assoonashearrivedthere.=He_assoonashearrivedthere.,setaboutsolvingtheproblem,setouttosolvetheproblem,setout的另一个意思为“动身”，“出发”，后面常跟介词for他们以出发到上海去了。_.,Theyhavesetout(=setoff)forShanghai,setoutsetouttodosth.setoffsetasidesetdownsetup,出发，起程开始做某事出发，动身留出，对不予考虑记下，写下设置，造成，产生,5.,whichfreezeshardwhencooled.,（果冻）被冷却后会变硬。,whencooled为whenitiscooled的省略结构when/while/once/unless/if等连词所引导的时间状语从句中的主语与主句主语相一致，且从句中含有系动词be时，从句中的主语和系动词be可省略，形成“连词+分词”结构。,5.Whatarethethreecreativesteps