外研版高中英語必修三 （The world of science）新課件(第1課時)

第1課時Unit3

Theworldofscience

1.ReviewthePresentPerfectPassiveandcanuseitcorrectlyindifferentcontexts.2.Learnaboutsomecareersandsomefamousscientists.3.Learnhowtodescribeastorybehindaninventionaccordingtolisteningmaterials.GoalsFillintheblankswithproperwordsorproperforms.DrRichardFairhurst,1_______newbookTheNewAgeofInventionhasjustbeenpublished,isbeinginterviewed.Thefollowingiswhathetellsus.There2________(be)goldenagesofinventionthroughouthistory.InAncientChina,therewerefourgreat3_________(invent):gunpowder,paper-making,printingandthecompass.They4________(change)theworldforever.TherewerethegreatWesterninventions:thesteamengine,thetelephone,and5_________radio.Andnow,weareinthegreatnewageoftechnology,whenmostofthenewgreatinventionsaretech-based.Forexample,advancesinvirtual6______(real),wearabletechandtheflexiblebattery,meanweshouldsoonbeseeingfurtherdevelopments.7__________addition,newinventionslike3Dprintershavebeenusedtomakereplacementheartsandboneparts.What’smore,it’spossible8_________(create)anintelligentwalkinghouse.Mostinventionsstartwith9__________(recognise)aproblemthatneedsasolution.Butwhtremains10_________(importance)isthatwehaveanincredibledesiretothinkandcreate,andthat’stherealspiritofinvention.HomeworkcheckingwhosehavebeeninventionschangedthereallyIntocreaterecognisingimportant1.Thisevening,I’llbetalkingtoDrRichardFairhurst,whosenewbookTheNewAgeofInvention__________________(publish).2.Iguessyou_____________(ask)aboutthetitleofyourbookbefore.3.Inaddition,importantadvances_____________(make)inmedicineandenvironmentalsciencethankstoincreasingcomputerpower.4.Newinventionslike3Dprinters____________(use)tomakereplacementheartsandboneparts.5.I_______________(tell)thatyou’reaninventoryourself.6.Nothinglikethis________________(invent)yetandI’dsaywe’realongwayfromaninventionlikethatatthemoment!自主學(xué)習(xí)hasbeenpublishedhavebeenaskedhavebeenmadehavebeenusedhavebeentoldhasbeeninvented現(xiàn)在完成時的被動語態(tài)【功能】依據(jù)自主學(xué)習(xí)的六個句子我們可以看出：現(xiàn)在完成時的被動語態(tài)強(qiáng)調(diào)過去的動作對現(xiàn)在造成的影響或結(jié)果,其主語為動作的1)_________,表示“2)__________________”?！緲?gòu)成】現(xiàn)在完成時被動語態(tài)的結(jié)構(gòu)就是現(xiàn)在完成時態(tài)和被動語態(tài)結(jié)構(gòu)的疊合,即“1)___________________”。【相關(guān)拓展】Fillintheblanks.1.完成時的被動語態(tài)的否定式:2)_____________________。2.現(xiàn)在完成時的被動語態(tài)的一般疑問句:將have/has提到3)_____的前面,即4)______________________________。3.現(xiàn)在完成時的被動語態(tài)的特殊疑問句:特殊疑問詞+have/has+5)__________。ThePresentPerfectPassive承受者……已經(jīng)被……h(huán)ave/hasbeendonehave/hasnotbeendone主語Have/Has+主語+beendonebeendone【牛刀小試】1)Theexperiment____________successfully.這個實(shí)驗(yàn)做得很成功。2)Thebooks____________________bythestudents.那些書還沒有被學(xué)生們借走。3)___thesportsmeeting___________untilnextFriday?運(yùn)動會已經(jīng)推遲到下周五了嗎?4)Soeventheolivewreath_________________.就連橄欖枝花環(huán)也被取代了。hasbeendonehavenotbeenborrowedHasbeenputoffhasbeenreplacedComparethefollowingpairsofsentencesandidentifythebasicsentencepatternsofthepresentperfectandthepresentperfectpassive.a).Iguessyouhavebeenaskedaboutthetitleofyourbookbefore.b).Iguesssomeonehasaskedyouaboutthetitleofyourbookbefore.c).Peoplehaveusednewinventionstomakereplacementhearts.d).Newinventionslike3Dhavebeenusedtomakereplacementheartsandboneparts.2.用法PresentperfectactivevoiceSubject+___________________________PresentperfectpassivevoiceSubject+____________________________have/hasdonehave/hasbeendoneRewritetheunderlinedsentencesinthepassageusingthepresentperfectpassive.①Ithasalreadyaffectedmanythingsinourlives.②SomerestaurantsinLondonhaveserved3D-printedhamburgerstocustomers.③Themostsignificancesuccessthatpeoplehaveachievedtodateisinmedicine.④Theyhavemadehumanbodyparts,includingabeatingheart,with3Dprintingtechnology.⑤Peoplehavegivenanew3D-printedshelltoaturtleinjuredinaforestfire.1.Manythingsinourliveshavealreadybeenaffectedbyit.2.3D-printedhamburgershavebeenservedtocustomersinsomerestaurantsofLondon.3.Themostsignificancesuccessthathasbeenachievedtodateismedicine.4.Humanbodyparts,includingabeatingheart,havebeenmadebythem,with3Dprintingtechnology.5.Anew3D-printedshellhasbeengiventoaturtleinjuredinaforestfire.FillintheblanksInthemorning,whenI1.______(go)intomylab,Ifeltextremelysurprised.Whatamessitisnow!Mylab2._____________(break)into.Theonlyrobotatthedoor3.___________(push)downintopieces.Thedoorofthecupboard4.______wasopen.Somechemicalapparatusessuchastestglassesandtubes5._____________(knock)over.Inaddition,mypapersonthedesk6.____________(turn)indisorder.wenthasbeenbrokenhasbeenpushedwashavebeenknockedhavebeenturnedImagineyouareDrMore.Lookatthepictureonpage29andtellthepoliceaboutthedamageandlosstoyourlabusingthepresentperfectpassivewhereappropriate.1.Whatdoyouknowaboutthesecareers?1).Aphysicistisapersonwhodoesresearch____________physicsorwhostudiesphysics.2).Amathematicianisapersonwhoistrainedinthestudyof________andcalculations.3).Achemistisapersonwhodoesresearchconnectedwith_________orwhostudieschemistry.4).Anastronomerisascientistwhostudiesthestars,_______,andothernaturalobjectsinspace.5).Ageographerisapersonwhostudies_________orisanexpertinit.6).Abiologistisapersonwhostudiesorworksinthe_________ofbiology.Lookatthepicturesandanswerthequestions(Page30)connectedwithnumberschemistryplanetsgeographyfieldCompletetheintroductionsaboutdifferentscientistswiththewordsinActivity4.Payattentiontothelanguagethatdescribestheircareers1GuoShoujing--_____________2CharlesDarwin--___________3LiGaoyuan--_____________4MarieCurie--_____________5MarieCurie--_____________6ChenJingrun--____________astronomerbiologistgeographerphysicistchemistmathematiciansDiscusswhatcareerinscienceinterestsyoumostI'minterestedintheworkofadoctorbecausethedoctorisagreatoccupation.Thedoctorswhoarecalled“Angelsinwhite”arealwaysworkingforpatient'shealth.Theycanhelppatientscure,whenweareill,suchascolds,headaches,stomachachesandsoon.Also,thedoctorcansavethepatient'slife.Iwilllookatsomeofthemedicalaspectsofthebooktoprepareforthefuture.1.Listentothetapeforthefirsttimeandunderstandthebasicinformationoftheconversationtonumberthepicturesinthecorrectorder.Picturea--___________Pictureb--__________Picturec--__________Pictured--___________Picturee--__________42135ListenagainandfillintheblanksWhatisit?It’s1______________________________________________.Whowasitinventedby?Itwasinventedby2_____________________calledKenneth.Whoinspiredtheinvention?3_______________________________,whohasAlzheimer’s.Howdoesitwork?4___________________________issenttoamobilephonelikeanalarmwhenthepersonwithit5._________________________.apairofsocksdesignedforpeoplewithAlzheimer'sdiseaseastudentfromNewYorkHisgrandfatherAwarninggetsoutofbedGoodbye第2課時Unit3

Theworldofscience

1.Understandthemainideaofthepassageandgetsomedetailedinformation.2.Getthefeaturesofargumentationandfindoutthestructureofthepassage.3.Havetheabilityofwritingareportoftheexperimentaccordingtotheinstructionsfortheexperimentgiven.GoalsWarmupHomeworkcheckingFillintheblankswiththegivenwordsintheproperform.1.Thebridge___________(build)lastyear.

2.Greatchanges____________(take)placeinmyhometown.3.Sofar,manyvillages_______________(visit).4.Theparty__________________(plan)sincetheNewYear.5.Withthehelpofhightechnology,moreandmorenewsubstances________________(find)inthepastfewyears.6．Papermoney_____________(use)foroverathousandyears.7．Greatchangeshavetakenplaceinmyhometownandalotoffactories________________(set)up.8．Thisbook___________________(translate)intomanylanguagesuptonow.9．Thefirehasgottothefifthfloor.Iwonderwhetherallthepeople____________________(save)．10．—Wewanttositatthetablenearthewindow.—I'msorry，butit_________________(take)already.wasbuilthavetakenhavebeenvisitedhasbeenplannedhavebeenfoundhasbeenusedhavebeensethasbeentranslatedhavebeensavedhasbeentakenTalkaboutthisperson.BackgroundinformationBenjaminFranklin(1706–1790)wasoneoftheFoundingFathersoftheUnitedStatesandhelpeddrafttheDeclarationofIndependence.Apartfrombeingasuccessfulstatesman,hewasalsowellknownasaleadingAmericanauthor,printerandpublisher,successfuldiplomat,creativescientistandinventor.HighlightsinthelifeofBenjaminFranklin1.____________________________________2.____________________________________3.____________________________________4.____________________________________5.____________________________________6.____________________________________7.____________________________________8.____________________________________OneoftheFoundingFathersoftheUSAsuccessfulstatesmanAleadingAmericanauthorAprinterApublisherAsuccessfuldiplomatAcreativescientistAninventorFillinthetable1.whatFranklin’sexperimentaimedtoprove.2.WhatdoesthenewstudysayaboutthestoryofFranklin’sexperiment?3.WhydoestheauthormentionthestoryabouttheapplefallingonNewton’sheadinthetext?Franklin'sexperimentaimedtoprovethatlightningwasaformofelectricity.Hisexperimentaimedtotestiflightningwasreallyproducedbyelectricityorsomethingelse.Newresearchsuggeststhatthestorymaybefictioninsteadoffact.Fast-reading2.Readthetextagainandmatchthemainideaswiththeparagraph(s).1．Paragraphs1A．Theeffectoftheexperiment.2．Paragraphs2B.TheintroductiontoFranklin’sfamousexperiment.3．Paragraphs3 C．ArethestoriesofFranklin’sandNewton’strue?4．Paragraphs4－6 D．Howtheexperimentiscarriedout.payattentiontothefirstandthelastsentence.Careful-readinga).Franklin’sspiritofscientificexplorationisstillconsideredaninspiration._________b).PeopleareamazedatandinspiredbyFranklin’sexperiment.___________c).ScientistsquestionwhatreallyhappenedinFranklin’sexperiment._________Numberthestatementstoshowhowpeople’sattitudestowardsFranklin’sexperimenthavechanged.312Answerthetwoquestions:PassageStructure1.Howdoyouunderstandthestatement“...weshouldnotalwaysbelieveeverythingwereadorhear?evenifitisagreatstory”?2.Whatqualitiesdoyouthinkagreatscientistshouldhave?Ithinkthestatementisright.Froma

scientific

standpoint,peopleshouldstick

to

thefactsandthefactsshouldbeprovedbyexperimentsandresearch.Agoodstoryisfictionwhichisoftenmoreinterestingthanthetruth.Asagreatscientist,heorsheshouldhavemorethanonegoodquality,suchasbeingsmart,h