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1、Unit3Inventorsandinventions.阅读理解AnautonomousvehicledesignedformakinglocalcommercedeliverieswasunveiledbyNuro.ThevehicleisabouttheheightofanSUVbutfarnarrowerthanatypicalcar.Theelectriccarfeaturesfourexteriorcompartments(隔层)twooneachsidetoholdseparatedeliveries.Eachcompartmentcanbetailoredtoaspecificu
2、se,suchascookingapizzaorrefrigeratingapackage.“Wecanuseself-drivingtechnologytodeliveranything,anytime,anywhereforbasicallyalllocalgoodsandservices,”Nuroco-founderDaveFergusonsaid.“Consumersusedtobeokaywithtwo-weekpaidshipping.Itbecametwo-weekfreedelivery,followedbyoneweek,twodays,andthesameday.Nows
3、ame-daydeliveryisntfastenoughforsomecustomers.”Nuroisntaloneinbuildingrobotsforlocalcommercedeliveries.Earlierthismonth,Toyota,aJapanesecarcompany,unveiledaconceptvehiclethatcouldbeusedforpackagedelivery.Ahandfulofstart-upsincludingStarshipTechnologies,MarbleandDispatcharetestingsmallrobotsfordelive
4、riesonsidewalks.Nurosvehiclewilllikelyfacelegalhurdles.FullyautonomousvehicleswithoutatestdriverarentlegalinCaliforniatoday,andmanycompanieshaveshiftedtestingtostateswhereregulatorsaremorewelcomingofautonomousvehicles,suchasArizona.Nuroexpectstofacefewerchallengesbecauseitdoesntcarrypassengers.Nuros
5、narrowsizemayalsobehelpfulwhennavigatingstreetsandavoidingpedestrians.Thevehicleisntequippedwithanyspecialfeaturestocommunicatewithpedestriansorotherroadusers.Somecompanieshavetestedandpatentedsolutionssuchasdigitalscreensthatsignalthecarsnextmove.Fergusonsaidhisteamhadconductedstudiesandfoundthatsu
6、chtechniquescouldconfusepeople.Nurobelievesitsbettertomakesurethecarperformspredictably,sothathumandriversknowwhattoexpectfromit.“Wefeelbycreatingthisnewtechnologythatsgoingtoenablethislastmiledelivery,weregoingtobecreatingnewmarketsanddoingthingsthatpreviouslywerentpossible,”Fergusonsaid.“Thisisnot
7、swappingjobswithrobots.Itscreatingnewmarkets.Therewilldefinitelybenewemploymentopportunities.”1.WhatisthemaincharacteristicoftheNurosself-drivingvehicle?A.Itcancookdeliciousmealsforcustomers.B.Itisapioneerinthefieldofself-drivingvehicles.C.Itisfarnarrowerandhigherthanotherautonomousones.D.Itsdeliver
8、iescanbetransportedinthespecialcompartment.2.Whichcanbestreplacetheunderlinedword“hurdles”inParagraph4?A.Breakthrough.B.Dilemma.C.Restriction.D.Protection.3.WhyistheNurosvehiclenotequippedwithcommunicatingfeatures?A.Itsdigitalscreensoftenbreakdown.B.Peoplemaybepuzzledatthefeatures.C.Thefeatureshaven
9、otbeendeveloped.D.Itsperformanceisusuallyhardtopredict.4.WhatcanweinferaboutFergusonsopiniononthisnewtechnology?A.Beneficial.B.Challenging.C.Controversial.D.Ambiguous.阅读七选五根据短文内容, 从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。Imaginethatyouareinaremotevillagesomewherewithnomedicalclinic.1Oncethedoctorsgettoyou,
10、theyexamineyouandtakebloodsamples,buttheywontbeabletohelpyouuntiltheytakethesamplesbacktothehospitaltofindoutwhatiswrong.2ThankstoengineerAndyOzcan,manypeoplemayneverbeinthissituation.Hehasinventedanappthatturnsyourmobilephoneintoadiagnostic(诊断的)tool.Ozcansinventionisimportantbecauseitisveryaccurate
11、andeasytouse.Inmanyremoteplaces,evenifdoctorshavemicroscopesandotherinstrumentstohelpthemmakediagnoses,theremaystillbeotherproblems.Manydoctors,forexample,donthaveenoughtrainingtocorrectlyinterpretwhattheysee.3WithOzcansmobilephoneapp,healthworkerscantakeaspecialphotoofabloodsampleandsendittoacentra
12、lcomputeratahospital.Thecomputerwillthenautomaticallyinterpretthephotoandsendadiagnosisbackinafewminutes.4HistechnologyonlyrequiresamobilephoneandanInternetconnection.Asmorethanfourbillionpeoplealreadyhavecellphones,thecostofestablishingthediagnosticsystemisfairlylow.Byinventingamedicaltoolthatusese
13、xistingtechnologymobilephonesOzcanhasdevelopedamedicaltoolthatisbothpracticalandeconomical.Therefore,itcanbeeffectivelyalmostanywhere.5A.AnotherreasonthatOzcansinventionisimportantisthatitisinexpensive.B.Eventhoughyoumayonlyhaveasimpleinfection(感染),youmightdiebecauseofthedelay.C.Peoplearetryingtored
14、ucethecostofthisnewmedicaltool.D.Ozcanssimple,cost-effectivetoolmightjustsavemillionsoflivesaroundtheworld.E.Thistoolhasbecomemuchmorepopularallaroundtheworld.F.Youbecomeverysickandmustwaitdaysuntilamobilemedicalunitarrivestohelp.G.Asaresult,theymaydiagnoseillnessesincorrectly.完形填空Mymotherhasalwaysb
15、eeninvolvedinearlychildhoodeducation.Sheoftensetsthesceneforchildrento1thejoyofphysicalactivity,gettingthemexcitedand2tolearn.MumwassoproudofmeafterI3thetriathlonatthe2000Olympics,butbeforethedust4,shegrabbedme,saying:“Nowthisisyour5.Useit.”Shewasntspeakingfromaneconomicpointofviewbuttalkingaboutthe
16、6ofmybeingarolemodel,encouragingkidsto7theirdreams.SincetheOlympics,Ihave8morethan100schools.Italktothekidsabout“livingalifeless9,”aconceptpassedontomebymyparentstheideaof10beingaverage.Itellthemthatyouwill11whatyoubelieve.AsIwasakid,mymothercametoevery12nottopressuremebutto13me.Oneofmyfavouritesports-relatedmemori
