2019高考英语三轮冲刺 大题提分 大题精做4 阅读理解 说明文（含解析）

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1、阅读理解说明文A.【2018年全国卷Ⅰ】Wemaythinkwe'reaculturethatgetsridofourworntechnologyatthefirstsightofsomethingshinyandnew,butanewstudyshowsthatwekeepusingourolddevices(装置)wellaftertheygooutofstyle.That’sbadnewsfortheenvironment—andourwallets—astheseoutdateddevicesconsumemuchmoreenergythanthene

2、weronesthatdothesamethings.Tofigureouthowmuchpowerthesedevicesareusing,CallieBabbittandhercolleaguesattheRochesterInstituteofTechnologyinNewYorktrackedtheenvironmentalcostsforeachproductthroughoutitslife—fromwhenitsmineralsareminedtowhenwestopusingthedevice.Thismethodprovidedareadou

3、tforhowhomeenergyusehasevolvedsincetheearly1990s.Devicesweregroupedbygeneration.Desktopputers,basicmobilephones,andbox-setTVsdefined1992.Digitalcamerasarrivedonthescenein1997.AndMP3players,smartphones,andLCDTVsenteredhomesin2002,beforetabletsande-readersshowedupin2007.Asweaccumulate

4、dmoredevices,however,wedidn'tthrowoutouroldones.“Theliving-roomtelevisionisreplacedandgetsplantedinthekids’room,andsuddenlyoneday,youhaveaTVineveryroomofthehouse,”saidoneresearcher.Theaveragenumberofelectronicdevicesrosefromfourperhouseholdin1992to13in2007.We’renotjustkeepingtheseol

5、ddevices—wecontinuetousethem.AccordingtotheanalysisofBabbitt'steam,olddesktopmonitorsandboxTVswithcathoderaytubesaretheworstdeviceswiththeirenergyconsumptionandcontributiontogreenhousegasemissions（排放）morethandoublingduringthe1992to2007window.Sowhat'sthesolution（解决方案）?Theteam'sdataon

6、lywentupto2007,buttheresearchersalsoexploredwhatwouldhappenifconsumersreplacedoldproductswithnewelectronicsthatservemorethanonefunction,suchasatabletforwordprocessingandTVviewing.Theyfoundthatmoreon-demandentertainmentviewingontabletsinsteadofTVsanddesktopputerscouldcutenergyconsump

7、tionby44%.1.Whatdoestheauthorthinkofnewdevices?A.Theyareenvironment-friendly.B.Theyarenobetterthantheold.C.Theycostmoretouseathome.D.Theygooutofstylequickly.2.WhydidBabbitt'steamconducttheresearch?A.Toreducethecostofminerals.B.Totestthelifecycleofaproduct.C.Toupdateconsumersonnewtec

8、hnology.D.Tofindout