江苏专用2019高考英语二轮增分策略专题三阅读理解第二节分类突破9词句猜测-代词指代题优选习题

《江苏专用2019高考英语二轮增分策略专题三阅读理解第二节分类突破9词句猜测-代词指代题优选习题》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、九、词句猜测——代词指代题(2018·常州期末)GPStechnologyisoneofthelatestandgreatestdevelopmentswithinthemunicationsworld.Alsoknownasa“globalpositioningsystem”，thistechnologyworksoffofradiosignalssentoutbysatellitesinspace.Sinceacellphonealreadyworkslikeatwo-wayradiowhenmunicatingwith

2、celltowers，theGPScapabilitysimplyextendstheradiosignalreachtospacesatellites.Phonesequippedwithfull-featuredcapabilitiesworkoffofJava-basedradiosignalsandhavedatabaseaccesstotheirproviders’systemforotherdatalikemappingandvoices.Locationtracking，andgivingdirectionst

3、oandfromdestinationsaresomeofthemoremonusesforthistechnology.GPSnavigationalsystemsaresupportedbyanetworkof27satellites.ThesesatellitesorbittheEarthincyclicpatterns24hoursaday.Atanygiventime，aminimumoffoursatellitessignalsisaccessibletoanyonepointonEarth.Wheneverar

4、eceiverdeviceisactivated，radiowaveswithcodedmessagesaresentouttoit.Thisishowsatellitesknowtostarttrackingthedevice.Areceiver’sexactlocationisdeterminedthroughaprocesscalledtrilateration(三边测量法)wherethreesatellitesworktogethertonarrowdownpossiblelocationpoints.Afourt

5、hsatelliteisneededifthereceiverisn’tonthegroundandaltitudeiswantedaswell.Distancecalculationsaremadebasedonhowlongittakestheradiosignalstotravelbackandforthbetweenreceiverandsatellites.Themappingcapabilitiesaredisplayedonthephone’sscreenviathecellprovider’sdatabase

6、.AsaGPSdeviceneedstodoallkindsofcalculationsondifferentdatafromsatellitesandprovider’sdatabase，itconsumestime.SoitcantakequiteafewsecondsforaregularGPStoworkoutaplan.AnassistedGPScanhelpsolvetheproblem.Itisanimprovedtechnologythatusesacellnetwork’sAssistanceServerw

7、hichisconnectedtoareferencenetworksuchastheInternet.Throughtheuseofcelltowers，aphonerelayssatellitesignalinformationtotheservers.TheseserversareabletoprocessiningdataatmuchhigherratesthanGPSreceivers，soinformationisprocessedquicker，andistypicallymoreaccurate.1．What

8、doestheunderlinedword“their”referto?A．Satellites’.B．Phones’．C．Signals’.D．Capabilities’．答案　B解析　代词指代题。这个句子涉及到长难句的分析，equippedwith...作为定语修饰phones，and