Whenwespeakofinventions,weWhenwespeakofinventions,wecan’thelpthinkofthefourgreatcan’thelpthinkofthefourgreatinventionsinancientChina.CaninventionsinancientChina.Canyounamethem?younamethem?Warminguppaper-makingprintingcompassgunpowderHowmanyfamousinventorsdoyouknow?Whatdidtheyinvent?ZhangHengZhangHeng(78—139)(78—139)SeismographSeismographThomasEdisonAmerica(1847——1931)AlexanderGrahamBellAlexanderGrahamBellEnglandEngland(1847--1922)(1847--1922)KarlFriedrichBenzKarlFriedrichBenzGermanyGermany(1884--1929)(1884--1929)WilburandOrvilleWrightinventedtheairplane,whichtheypatentedasa“flyingmachine”.Chooseyourluckynumberandplayagame.Airplane•Thisinventionismadeofmetal.•Thisinventionlookslikeabird.•Itmakesitpossibleforpeopletoflytodifferentplacesintheworld.•Itispoweredbyanengineandisflownbyapilot.•Thisinventioncanhelppeopledosomedailywork.•Itishelpfulforhousewives.•Themachinecanmovesomethingthatyouputintoit.•Itneedssoapandwatertowashsomethinginit.Washingmachine•Itallowsyoutogetalikenessofanobject.•Whenyoupressthebutton,itworks.Whenaflashhappens,itwillcopyasceneontoafilm.•Whenthefilmisdeveloped,thesceneyoucopiedappearsonapaper-likething.Camera•Theinventionlookslikeachair.•Ithasapipethroughwhichthewastecango.•Peopleuseittogetridofwasteintheirbodies.•Itisusuallymadeofchinatheseyears.ToiletYearInventionInventor(s)1902AirconditionerWillisCarrie1903Gas-motoredandmannedplaneWrightbrothers1910ThefirsttalkingfilmThomasEdison1923TelevisionLogieBaird1928Penicillin(青霉素)AlexanderFleming1937Photocopier(影印机)ChesterFCarlson1940ColourtelevisionPeterGoldmark1942ElectricdigitalcomputerAmericanscientists1945AtomicbombAmericanscientists1950CreditcardsRalphSchneider1985WindowsOSMicrosoftCompany1990WorldWideWebTimBerners-LeeAmongtheinventionsabove,whichinventiondoyouthinkisthemostimportantone?Why?Andhowdiditchangepeople’slife?==Makeadifferencebetweeninventionanddiscoveryaccordingthesituations.Situation1ColumbusfoundTomatoinAmericain1492.Situation2TheStructureofDNAwasfirstdescribedbyJamesWatsonandFrancisCrickin1953.•Adiscoveryis__________.makingordesigningsomethingthatdidnotexistbefore.•Aninventionis__________.findingorlearningaboutsomething(place,fact)thathasalreadyexistforthefirsttime.Discoveriesoftenleadtoinventions.ReadingTheProblemoftheSnakesIfsomesnakesareinyouryard,howdoyoudealwiththem?Fast-readingThetextnarratestheproblemofthesnakesandpresentstheproceduresofcatchingthemandapplyingforapatent.What’sthemainideaofthetext?Dividethetextintofourpartsandworkoutthemainideaforeachpart.PartIPartIIPartIIIPartIV(Para.1)Thediscoveryoftheproblemofthesnakes.(Paras2-3)Theresearchontheapproachestosolvetheproblem.(Para.4-6)Theattemptstocatchthesnakes.(Para.7-8)Therequirementofgettingapatent.Careful-reading1.Thepurposeofwritingthistextis_____.A.toshowushowtotrapthesnakesbutnottokillthemB.totellpeoplehowtoapplyforapatentofthewriter'snewideaC.tointroducethewriter'snewideaoftrappingthesnakesandherapplicationforapatentD.totellthereadershowtogetanewideaandmakeitapatentChoosethebestanswers.C2.Thebiggestadvantageofthewriter'snewideaisthat____.A.itmakesthesnakesmoveslowlyB.itmakesthesnakeshardlybiteusC.itiseasierforustokillthesnakeswithouthurtingourselvesD.itiseasierforustocatchthesnakeswithoutkillingthemD3.Whatinstrumentswereusedforcatchingthesnakes?A.Abowl,ice-cubes,maleperfume.B.Abowl,abucket,femaleperfume.C.Asmallnet,ice-cubes,abucket.D.Asmallnet,abucket,powders.B4.Whichstatementistrueaccordingtothetext?A.Thesnakesweresosleepyinthesecondattemptthattheycouldn'tbitethewriteratall.B.Yourproductmustbedifferentfromeverybodyelse'sifyouwanttoreceiveapatent.C.Thewriterdecidedtosendherinventiontothepatentofficethemomentshesucceededincatchingthesnakes.D.Ifanapplicationforyourproductprovestobevalid,youcangetapatentimmediately.B5.Accordingtothetext,whichsubjectdoyouthinkcanbegivenapatent?A.Anewstardiscoveredbyascientist.B.AnewnovelwrittenbyHuoDa.C.Anewwaytomakedirtywaterclean.D.Anewkindofgrassfoundinamountainwhichcanbeusedasamedicine.CDiscussion1.Whydoyouthinkthemotherdidn’ttrytocatchthesnakesherself?2.Whydoyouthinkthewriterfeltshehadachancetodistinguishherselfbyinventingsomethingmercifultocatchthesnakesbutnotharmthem?3.Whydoyouthinkthewriterchosethiswayofsolvingtheproblem?Wouldyoudothesame?4.Whydoyouthinkshefailedthefirsttime?Homework1.Reviewthetextandpickoutthedifficultlanguagepointsforyou.2.Findandunderlinethesentencesinthetextcontainingthepastparticipleusedastheattribute.