Unit+3+Starting+out +Listening+課件【知識精講精研】高中英語外研版（2019）必修第三冊

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Speakingofgreatinventions,whatdoyouthinkisthegreatestinventionever?Why?TheFourGreatInventioninancientChinaGunpowderCompassPapermakingPrintingTechniqueShareyourownanswers!Freetalk:

Speakingofgreatinventions,whatdoyouthinkisthegreatestinventionever?Why?China’sNewFourGreatInventionsOnlineshoppingHigh-speedrailMobilepaymentbikesharingHaveyoueverreadthesenovels?Haveyounoticedanyinventionsinthenovels?PeoplenowadayscanhavevideochatswitheachotherviamobilephonesandcomputersconnectedtotheInternet.Readabouttheinventionsfromfamousnovelsandchoosethosethathavebecomeareality.P331Manynewspapershaveofferedtheirreadersfreedigitaleditions.Furthermore,livechatroomsmakeitpossibleforpeopletocommunicatewithreporters,statesmenandscientists.Theinventionshavesolvedmanyproblemsinourlifeandhavechangedtheworldtoagreatextent.InventionstoriesWhatisAlzheimer’s/??ltsa?m?/disease?WhoarethecommonAlzheimerpatients?Isitcurable?Whatarescientiststryingtodealwithit?Doyouknowanyinventionsrelatedtoit?SomeinventionsalsohavebeenmadetohelppeoplewithAlzheimer's.

Nowlet'slistentoaconversationandfindoutwhatinventionwasmentioned.Listentotheconversationandnumberthepicturesinthecorrectorder.12345P417apairofsocksdesignedforpeoplewithAlzheimer'sdiseaseastudentfromNewYorkHisgrandfatherAwarninggetsoutofbedListenagainandcompletethenotes.P418TapescriptCheckyouranswers!1234-51.Whichoftheinventionsinthevideointerestsyoumost?Why?2.Whichoftheinventionsinthevideodoyouthinkwillbecomeareality?P332Watchthevideoandanswerthequestions.takeapilltomakeussmallenoughtoexplorecellswearspecialclothesthatcanchangeOurcarwillbeabletoflyandgounderwater.goonholidaytootherplanetsunderstandandspeaktoeveryonewhentravelingabroadcurediseaseslikecancerandAIDSeasilyliveformorethan120yearsTapescript:Ofalltheinventionsintheworld,whichdoyouthinkisthemostuseful?Why?P3322.3D-printedhamburgershavebeenservedtocustomersinsomerestaurantsinLondon.3.Butperhapsthemostsignificantsuccessthathasbeenachievedtodateisinmedicine.4.Humanbodyparts,includingabeatingheart,havebeenmadewith3Dprintingtechnology.5.Anew3D-printedshellhasbeengiventoaturtleinjuredinaforestfire!Rewritetheunderlinedpartsusing

thepresentperfectpassive.P38

21.Manythingsinourliveshavealreadybeenaffected.12345ImagineyouareDrMoore.Lookatthepicturesandtellthepoliceaboutthedamageandlosstoyourlab.Usethepresentperfectpassive

whereappropriate.P39

3Mylabhasbeenbrokeninto.Thelockonthedoorhasbeenbroken.Thewindowhasbeenbroken.Mytwolaptopshavebeenstolen.Beakersandtesttubeshavebeendestroyed.Thebookcasehasbeenopened,andsomefileshavebeentakenawaywhileothershavebeenthrowneverywhere.Therobothasbeendamaged.Lookatthepicturesandanswerthequestion.Whatdoyouknowaboutthesecareers?Aphysicist(物理學(xué)家)isapersonwhodoesresearchconnectedwithphysicsorwhostudiesphysics.Amathematician(數(shù)學(xué)家)isapersonwhoistrainedinthestudyofnumbersandcalculations.Achemist(化學(xué)家)isapersonwhodoesresearchconnectedwithchemistryorwhostudieschemistry.Anastronomer(天文學(xué)家)isascientistwhostudiesthestars,planets,andothernaturalobjectsinspace.P394Ageographer(地理學(xué)家)isapersonwhostudiesgeographyorisanexpertinit.Abiologist(生物學(xué)家)isapersonwhostudiesorworksinthefieldofbiology.□

LearningtolearnWordsaboutdifferentcareersinsciencecanbeformedbyadding-er,-istor-ianattheendofthewordsaboutsubjects,egbiology-biologist.CompletetheintroductionsaboutdifferentscientistswiththewordsinActivity4.Payattentiontothelanguagethatdescribestheircareers.P405astronomerbiologistphysicistmathematicianchemistastronomergeographerbiologistP405physicistchemistmathematiciansgeographerphysicistmathematicianchemistastronomergeographerbiologistThinkaboutothercareersinscienceanddiscusswhatinterestsyoumost.I'minterestedintheworkofa(n)...because...P406Workinpairs.

◆geologist(地質(zhì)學(xué)家)◆dataanalyst(數(shù)據(jù)分析師)◆softwareengineer(軟件工程師)◆environmentalengineer◆pharmacist(藥劑師)Possiblewords:Observetheunderlinedsentencesbelow.□

LearningtolearnExclamatorysentencesexpressstrongemotions,suchassurprise,shock,joy,emphasisandexcitement.Theseareusuallyformedwithwhatorhow,andinwrittenformusuallyendwithan

exclamationmark.●Whatistheinvention?●Whowasitinventedby?●Whywasitinvented?Orwhoinspiredtheinvention?●Howdoesitwork?...Nowtalkabouthowthespeakersdescribethestorybehindaninvention.Listenagainifnecessary.Youaregoingtogiveapresentationabouttheinventionofthetelephone.Aspartofyourresearch,youspeaktoStudentBwhohasjustreadabookaboutit.Askhim/herquestionstofindoutmoreinformation.Informationyou'dliketoknow:You'vejustreadabookabouttheinventionofthetelephone.StudentA,whoisgoingtogiveapresentationonthesametopic,askyouforinformation.StudentAStudentB◆theinventor

◆yearofinvention◆theinventingprocess◆thefirstphonecall◆otherinterestingthingsabouttheinventionInventor:AlexanderGrahamBellInventioncreatedin:1876Background:Bellwasateacherataschoolforthedeaf.Hetriedtoinventamachineto