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!自主學習hasbeenpublishedhavebeenaskedhavebeenmadehavebeenusedhavebeentoldhasbeeninvented現在完成時的被動語態【功能】依據自主學習的六個句子我們可以看出：現在完成時的被動語態強調過去的動作對現在造成的影響或結果,其主語為動作的1)_________,表示“2)__________________”。【構成】現在完成時被動語態的結構就是現在完成時態和被動語態結構的疊合,即“1)___________________”?！鞠嚓P拓展】Fillintheblanks.1.完成時的被動語態的否定式:2)_____________________。2.現在完成時的被動語態的一般疑問句:將have/has提到3)_____的前面,即4)______________________________。3.現在完成時的被動語態的特殊疑問句:特殊疑問詞+have/has+5)__________。ThePresentPerfectPassive承受者……已經被……have/hasbeendonehave/hasnotbeendone主語Have/Has+主語+beendonebeendone【牛刀小試】1)Theexperiment____________successfully.這個實驗做得很成功。2)Thebooks____________________bythestudents.那些書還沒有被學生們借走。3)___thesportsmeeting___________untilnextFriday?運動會已經推遲到下周五了嗎?4)Soeventheolivewreath_________________.就連橄欖枝花環也被取代了。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