外研版高中英语必修三 （The world of science）新课件(第1课时)

第1课时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!自主学习hasbeenpublishedhavebeenaskedhavebeenmadehavebeenusedhavebeentoldhasbeeninvented现在完成时的被动语态【功能】依据自主学习的六个句子我们可以看出：现在完成时的被动语态强调过去的动作对现在造成的影响或结果,其主语为动作的1)_________,表示“2)__________________”。【构成】现在完成时被动语态的结构就是现在完成时态和被动语态结构的叠合,即“1)___________________”。【相关拓展】Fillintheblanks.1.完成时的被动语态的否定式:2)_____________________。2.现在完成时的被动语态的一般疑问句:将have/has提到3)_____的前面,即4)______________________________。3.现在完成时的被动语态的特殊疑问句:特殊疑问词+have/has+5)__________。ThePresentPerfectPassive承受者……已经被……have/hasbeendonehave/hasnotbeendone主语Have/Has+主语+beendonebeendone【牛刀小试】1)Theexperiment____________successfully.这个实验做得很成功。2)Thebooks____________________bythestudents.那些书还没有被学生们借走。3)___thesportsmeeting___________untilnextFriday?运动会已经推迟到下周五了吗?4)Soeventheolivewreath_________________.就连橄榄枝花环也被取代了。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.Listentothetapeforthefirsttimeandunderstandthebasici