选择性必修第三册 Unit 2　Healthy Lifestyle

选择性必修第三册Unit2HealthyLifestyleⅠ.阅读理解AWhenNarayanswamiwasinvitedtoadinnerbyafriendwhoworkedatNasa’sJetPropulsionLaboratory，shewasexcited.Manyoftheguestsflewplanes.“Imusthaveexpressedsomeyearning(渴望)，”shesays，becausesomeonetoldher“Youshouldjointheflyingclub！”ThenextdayNarayanswami，whowas57atthetime，arrangedtomeetaninstructor.“Isaid‘Aren’tItooold？’Hesaid‘We’vegotstudentsintheir80s.’”NarayanswamigrewupinSouthwestLondon，andatgrammarschoolsufferedhorrificracistbullying.Thelibraryprovidedshelter.But，asshereachedherlateteens，shefeltfamilypressureforanarrangedmarriage;“Ireallyprotested，”shesays.“ButIwanttobeanastronaut!Mymothermadeapromise：Aslongasyouaregettinganeducation，wewillnotlookforahusbandforyou.”NarayanswamistudiedbiologyatLeicesterUniversity，thendidaPhDatStAndrew，followedbypostdoctoralresearchattheUniversityofCalifornia.“Everytimeyoumove，yougetfurtheraway，”herdadremarkedonthephone.“Ididn’tfeelIwouldbeabletoescapeunlessIdidthat，”shesays.In2020，aged64，Narayanswamifinished423lighthourssheneededtoearnherpilot’slicense.ThensheappliedtoNasa’sastronautcorps，butreceivedaveryappreciativerejection.Evennow，at66，shesays“Ihaven’tbeenabletofigureouthowtodealwithit.Itdoesn’tgoaway.”Theracistbullyingshereceivedasachildhascastaverylongshadow.Flyinghashelped.Itisaworkout:shehastotowtheplaneouttothetaxiway.Anditoffersadifferentperspective.“Icanseeeagles，bears，mountainlions，birdsofprey.Ilovethebeautyoftheclouds.Theyarelikehills.Vasterthanourhills，”shesays.Newpossibilitieshavearisen—NarayanswamichairstheboardoftheGeneralAviationAwardsintheUS—butshefindsrelaxingdifficult.Inflight，sheis“partofahugenetworkofpeoplewhoarecommunicatingbyradiofrequency.Thereisnosenseofskincolour.Wearealltiedtogetherbyourvoices.”1．Howdidtheinstructor’swordssoundtoNarayanswami?A．Disappointing.B．Embarrassing.C．Annoying.D．Encouraging.2．Whatdoestheunderlinedword“that”inparagraph3referto?A．Acceptinganarrangedmarriage.B．Receivinganeducation.C．Keepingadistance.D．Makingapromise.3．WhatdoesNarayanswamithinkofNasa’srejection?A．Itindicatesprejudiceagainsther.B．Itruinsherchildhoodmemory.C．Itraisesconcernforherage.D．Itleavesroomfornegotiation.4．WhatdoesflyingbringtoNarayanswami?A．Agoodwayofrelaxation.B．Adifferentdimensionoflife.C．Arichknowledgeofwildlife.D．Afullexhibitionofleadership.BAlthoughitisabusinessnotmanyareawareof，sidewalkrobotsaresettobecomeanindustrywithannualsalesof$1billionwithinadecade.Thesefour-orsix-wheeledautonomousmachines，usuallythesizeofasuitcase，arealreadydeliveringgroceriesinAmerica，ChinaandEurope，whichputsthemaheadofmanydriverlesscarsandlorriesbeingdeveloped.Thosebiggervehiclesareheldbacknotbytechnologybutregulation.Thismeanshavinga“safetydriver”onboardreadytotakeoverifthereisaproblem，whichishardlylabour-saving.Fortheselargervehicles，regulatorswanttoseesafetysystemsthoroughlyproved.InJanuary2022，Britain’sLawCommission，whichreviewslawmaking，recommendedthatitshouldnotbethepersoninthedriver’sseatwhofacesprosecutionifavehicleinautonomousmodecrashes，butthemanufacturerorthebodythatsoughtapprovalforitsuse.However，sidewalkrobotsaregettingonwiththejob.Forexample，StarshipTechnologies，basedinSanFrancisco，estimatesithasalreadyclockedupmorethan2.5milliondeliverieswithrobotsinanumberofcities，universitiesandbusinessparksinEuropeandAmerica.Amazoniscarryingouttrialswithasimilarsortofmachine.Kiwibot，aColombianstartup，ismakingsidewalkdeliveriesinCalifornia.Udelv，aCalifornianfirm，isdevelopingalargertypecalledTransportertooperateathighwayspeeds.Sidewalkrobotscarryafewbagsofgroceriesusingavarietyofsensors，includingcameras，radarandGPStonavigateandavoidobstaclesandpeople.Theirprogresscanbemonitoredonaphoneapp，whichalsounlocksthemforgoodstoberemoved.Astheyaresmall，moveslowlyandare“telemonitored”bypeopleinacontrolroomwhocantakeover，authoritiesseemmorewillingtogivethemagreenlight.Suchrobotsarebecomingmoreautonomous.Beingmuchfurtheralongtheroadinearningtheirkeep，thesedeliveryrobotsarehelpingtopavethewayforthetimewhenbiggerautonomousvehiclescanjointhem.5．Whatisparagraph2mainlyabout?A．Problemscausedbyautonomouscars.B．Suggestionsforproducingintelligentrobots.C．Challengesfacedbylargedriverlessvehicles.D．Theinnovativetechnologyofdeliveryvehicles.6．Whydoestheauthorgivesomeexamplesinparagraph3?A．Toprovethesafetyofautonomousmachines.B．Topresentthedevelopmentofsidewalkrobots.C．Toencouragethepublictocreatemorerobots.D．Toshowtheadvantagesofself-drivingtechnology.7．Whatcanweknowaboutsidewalkrobots?A．Theyareenvironmentallyfriendly.B．Theycandistinguishtrafficlightsontheroad.C．Theymakedeliveriesfasterthanordinarytrucks.D．Theymakeiteasyforpeopletotrackthedeliveryprocess.8．Whichsectionofamagazineisthistextprobablytakenfrom?A．Sportsandmusic.B．Businessandculture.C．Scienceandtechnology.D．Natureandgeography.Ⅱ.完形填空WhenIwasaboy，welivedrightnexttoaforest.Ispentalotoftime1alone.Iwouldspendhourseverydayplayinginthe2withtheoaktrees(橡树)．Thatwaswhyitwassohardforme3Iworkedinalumbermill(木材厂)asayoungman.Itwasn’tjustthe4workandthelowpay.Itwasalsoseeingdayafterdaybeautifuloaktreesbeing5andmadeintoflooring