【课件】人教版选择性必修第二册 Unit 5 Video Time

Unit5Unit5FirstAidToimprovelisteningandtalkingskillsbywatchingsomevideos.Tolearnsomenewwaysoffirstaidtechniques.Trytobeahelpfulpersontohelpthosewhoareintrouble.Lookatthepicture.Whatcanyouseeinthesky?Doyouknowwhatthisdeviceiscalled?Whatdoyouthinkitisusedfor?Whatisparamotor?Paramotorconsistsofafamethatcombinesthemotor,propeller,harness(withintegratedseat)andcage.Itprovidestwoattachmentpointsfortherisersofaparagliderwingthatallowsforpoweredflight.Para-LifeRescueTheparamotorwasoriginallyinventedforsportsandleisure,butthesedaysitissavinglives.Inthisvideo,RuyMarratellsabouthisrescueexperienceusingaparamotorandhisbeachsafetybusiness.1.________________isatypeofaircraftwithalightweightengineandalargepropellerstrappedtothepilot.2.________________isinBrazil.Completethesentenceswiththecorrectwords.Aparamotor,Alifepreserver,CopacabanaBeach,RuyMarraAparamotorCopacabanaBeach3._____________isamanwhostartedthePara-Liferescueservicebusinessin1995.4._____________issomethingthatcanbeworninthewatertopreventyoufromsinking.Aparamotor,Alifepreserver,CopacabanaBeach,RuyMarraRuyMarraAlifepreserver1.Marrahasastaffoftwentypeopleworkingforhim.2.Marra'scompanyhassavedthelivesofmorethaneightypeople.3.Marradidnotneedgovernmentapprovaltosetuphiscompany.Decideifthefollowingstatementsaretrue(T)orfalse(F).TTF4.Marracommunicateswiththeparamotorpilotsthroughtwo-wayradios.5.Aripcurrentisadangerousflowofwaterthatmovesawayfromthebeach.FT___Thepilotcallsthelifeguards.___Thepilotmanoeuvrescloseenoughtodropthelifepreservertotheswimmer.___Thepilotseesavictim.___Para-Lifepilotsstrapthemselvesintotheparamotor.___Thepilotthencontinuestoflyabovethevictimuntilthelifeguardsarrive.___Thepilotfliesagainstthewindtoreduceflightspeed.Numberthefollowingstepsinthecorrectorder.3521641.Whataresomeadvantagesofparamotorsovertraditionalformsofwaterrescue?Whataresomedisadvantages?2.Asabusiness,howmightthePara-Liferescueservicemakemoney?Isitrighttochargevictimsforrescue?Ifso,howmuchshouldtheybecharged?Whatiftheycannotpay?3.Whatotherinterestingornewkindsofrescuearethere?Howdotheywork?Discussthefollowingquestionsingroups.1.Whataresomeadvantagesofparamotorsovertraditionalformsofwaterrescue?Whataresomedisadvantages?

Themainadvantageistheabilitytospotthepersonwhoisintroubleandgettherequickly.Themaindisadvantageisthattheparamotorcannotlandandpickthepersonup.2.Asabusiness,howmightthePara-Liferescueservicemakemoney?Isitrighttochargevictimsforrescue?Ifso,howmuchshouldtheybecharged?Whatiftheycannotpay?Itcouldmakemoneythroughacontractwiththegovernment.Whileitdoesnotseemrighttochargethevictimsmoney,infactambulanceservices,doctors,nurses,andhospitalschargevictimsmoneyallthetime.Ifpeoplearechargedmoney,itshouldbebasedonthetimeandexpenserequiredtorescuethem,butthatamountishardtodetermine.Asthevictimwouldbebilledaftertherescue,ifthevictimcannotpayitwillbejustlikeanyotherbillthevictimmighthave.3.Whatotherinterestingornewkindsofrescuearethere?Howdotheywork?Onekindofrescueinvolvesdogsthatcansniffoutpeopletrappedinbuildingsafteranearthquake.Thedogjustwandersovertheruinedbuildingsniffingtheground.Ifitsmellsaperson,itmakesasignorbeginstobark.Rescuersthenknowwheretodig.Asapersoncansurviveforaslongasthreedayswithoutwater,solongasthepersoncanbreatheandisnottoobadlyinjuredthereiss