高中英语-book8unit3Inventors and inventions教学课件设计

Unit3InventorsandinventionsWhatisaninvention?AnInventionissomethingthatiscreatedbyahumanbeing.Inventingisascientificactivity.Whatisadiscovery?Adiscoverymerelymakesknownsomethingthathasalreadyexisted

innature.

HeisagreatinventorofChina.Heinventedseismographtodetectearthquakes.ZhangHengseismographGuessingGameHeisfromAmerica.Heinventedthebulb.Edisonanelectricbulb.

Sheisagreatwoman.Shediscoveredradium.

Madame

CurieGuessingGame

Hediscoveredgravitybywatchingapplesdropontheground.

Issac

Newton

gravityIfthereweresnakesinyouryard,howwouldyouliketodealwiththem?ReadingTheproblemofthesnakesSkimthewholepassageandgetthemainidea:Thetexttells_______________________andpresents_________________________andapplyingfor________.theproblemofthesnakestheproceduresofcatchingthemapatentFastreadingDividethetextintofourpartsandworkoutthemainideaforeachpart.PartIPartIIPartIIIPartIV(Para.1)Thediscoveryoftheproblemofthesnakes.(Paras2-3)Theresearchontheapproachestosolvetheproblem.(Para.4-6)Theattemptstocatchthesnakes.(Para.7-8)Therequirementofgettingapatent.FastreadingWhatwasthemotherupsetabout?2.Whywasthewriterhappytohelphermother?Themotherwasupsetbecauseafamilyofsnakeshadmadetheirhomenearthehouse.Thewriterwashappybecauseitgaveheranopportunitytohelphermotherandinventsomethingtocatchthesnakeswithouthurtingthematthesametime.Carefulreading:part1Answerthefollowingquestions:Translation1.ThefirstthingIdidwastoseeiftherewereanyproductsthatmighthelpme,butthereonlyseemedtobepowdersdesignedtokillsnakes.我所做的第一件事情就是看看有没有现成的产品能帮助我。但是看来只有一种毒杀蛇的药粉。2.Betweentheoutsideandtheinsidewallsofthebowlthereissomejelly,whichfreezeswhencooled.在碗的内壁和外壁之间有些胶状物，冷却后会冻结。Carefulreading:part2Whatarethethreecreativestepsthatthewritertakestocatchthesnakeswithouthurtingthem?Step1:Sheplacedafrozenbowloverthesnakes’habitatandtheice-cubesontopofthebowltokeepitcoolduringthedaysothatthesnakeswouldbecomesleepyandcouldbeeasilycaught.Step2:Asaboveshedidthesamebutplacedthebowlsoverthesnakes’habitatintheevening.Step3:Asabovebutaddedanettocatchthesnakes.Carefulreading:part3Accordingtothetext,whichsubjectdoyouthinkcanbegivenapatent?A.Anewstardiscoveredbyascientist.B.AnewnovelwrittenbyMoyan.C.Anewwaytomakedirtywaterclean.D.Anewkindofgrassfoundinamountainwhichcanbeusedasamedicine.Carefulreading:part4

whatwouldyou