Unit+3+The+world+of+Science+Using+language+Listening+and+speaking 高一英語外研版（2019）必修第三冊

Usinglanguage(2)—ListeningandspeakingBytheendofthisperiod,youwillbeableto:knowsomethingaboutAlzheimer’sdisease;learnsomelisteningskillstogetusefulinformation;tellastoryaboutaninvention.WatchavideotofindoutwhatisAlzheimer’sdisease.(AD)(阿爾茨海默病，老年癡呆癥)Lead-inDidyouknow?Alzheimer’sdiseaseisabraindisorderthatcausesproblemswithmemory,thinkingandbehaviour.ThemajorityofpeoplewithAlzheime’sare65andabove.Itisrecognisedasthemostcommonmentaldiseaseamongolderpeople,andthenumberofsufferersisgrowing.Currently,there’snocureforAlzheimer’s,butscientistsareresearchingwaystoimprovethequalityoflifeforpeoplelivingwiththedisease.Alzheimer’sdiseasesymptoms:sleepingissuedisturbedmemorymooddisorderincreasingconfusiondementia癡呆IfoneofyourcloserelativeshastheAlzheimer’sdisease,whatcanyoudotohelphimorher?Listentotheconversationandnumberthepicturesinthecorrectorder.1

2

3

4

5

Listening7Listenagainandcompletethenotes.8

Checkyouranswers.Whatisit?It’s1.__________________________________________.Whowasitinventedby?Itwasinventedby2.__________________calledKenneth.Whoinspiredtheinvention?3.______________,whohasAlzheimer’s.Howdoesitwork?4._________issenttoamobilephonelikeanalarmwhenthepersonwithit5.____________.astudentfromNewYorkapairofsocksdesignedforpeoplewithAlzheimer’sdiseasesHisgrandfatherAwarninggetsoutofbedNowtalkabouthowthespeakersdescribethestorybehindaninvention.Listenagainifnecessary.Heusedexclamatorysentences(感嘆句)

todescribethestory.Like：

“Howamazing!”“Whatausefulinventionandcaringgrandson!”LearningtolearnExclamatorysentencesexpressstrongemotions,suchassurprise,shock,joy,emphasisandexcitement.Theseareusuallyformedwithwhatorhow,andinwrittenformusuallyendwithanexclamationmark.Mike:Hey,look!I’vereadaboutacoolinventioninthismagazine!Anna:Apairofsocks?Mike:Yes,butthey’renotordinarysocks.ThisisaproductdesignedforpeoplewithAlzheimer’sdisease.Anna:Ohyes,IsawaTVshowaboutthat.ItwasinventedbyastudentfromNewYorkcalledKenneth.Heevenwonanawardforitatasciencefair!Mike:Wow!Howdidhecomeupwiththeidea?Anna:Well,hisgrandfatherhasAlzheimer’s.Heforgetsthingsandgetslosteasily.Oncehegotlostinthecityandittookawholedaytofindhim!Thefamilywasalwaysworryingabouthimleavingthehouseandhadtokeepaneyeonhim—evenatnight!Kennethhadbeentryingtofindasolution.Thenonenight,hewaslookingafterhisgrandfatherandsawhimgetoutofbedandsteponthefloor.Thatmomentinspiredhim,andagoodideacametohismind.ListeningmaterialMike:Ididn’tknowthat!Howdidthatmomentinspirehim?Anna:Well,itmadehimthinkofputtingadeviceintoapairofsockstosensepressure.Hestartedbydrawinghisideas,andthenhethoughtabouthowtopowerthedevice.Eventually,hecreatedadevicethesizeofacoin!Mike:Likeacoin?Sohowdoesitwork?Anna:Hegothisgrandfathertowearthesocks.Whenhisfeettouchedthefloor,thedevicesensedanincreaseofpressure,andawarningwassenttotheboy’smobilephone—likeanalarm.Thatway,hecouldknowhisgrandfatherwasgettingoutofbedwithoutstayingupallnight.Mike:Howamazing!Whatausefulinventionandcaringgrandson!Anna:Yes,youarequiteright.Youaregoingtogiveapresentationabouttheinventionofthetelephone.Aspartofyourresearch,youspeaktoStudentBwhohasjustreadabookaboutit.Askhim/herquestionstofindoutmoreinformation.StudentAYou’vejustreadabookabouttheinventionofthetelephone.StudentA,whoisgoingtogiveapresentationonthesametopic,asksyouforinformation.StudentB9Workinpairs.Actouttheconversationabouttheinventionofthetelephone.Informationyou’dliketoknow:theinventoryearofinventiontheinventingprocessthefirstphonecallotherinterestingthingsabouttheinventionStudentAWhoinvented..?Whenwas…invented?Howwas…invented?Whatwasthefirstphonecallabout?Whatotherinterestingthings…?UsefulexpressionsStudentBInventor:AlexanderGrahamBellInventioncreatedin:1876Background:Bellwasateacherataschoolforthedeaf.Hetriedtoinventamachinetosendmessagesoveranelectronicwire.Thiseventuallyledtotheideaofatelephone.Later,withhisassistant,hecreatedadevicetoproduceandreceivesoundwavesusingelectricalsignals.Firstphonecall:On10March1876,Bellmadethefirstclearandcompletephonecalltohisassistant,saying,“MrWatson-comehere-Iwanttoseeyou.”O(jiān)therinforma