2015_2018高考英语试题分项版解析专题16科普类说明文含解析_225

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1、2019高考英语专题16科普类说明文2018高考题D【2018·全国I】Wemaythinkwe'reaculturethatgetsridofourworntechnologyatthefirstsightofsomethingshinyandnew,butanewstudyshowsthatwekeepusingourolddevices(装置)wellaftertheygooutofstyle.That’sbadnewsfortheenvironment—andourwallets—astheseoutdateddevicesco

2、nsumemuchmoreenergythantheneweronesthatdothesamethings.Tofigureouthowmuchpowerthesedevicesareusing,CallieBabbittandhercolleaguesattheRochesterInstituteofTechnologyinNewYorktrackedtheenvironmentalcostsforeachproductthroughoutitslife—fromwhenitsmineralsareminedtowhenwestop

3、usingthedevice.Thismethodprovidedareadoutforhowhomeenergyusehasevolvedsincetheearly1990s.Devicesweregroupedbygeneration—Desktopcomputers,basicmobilephones,andbox-setTVsdefined1992.Digitalcamerasarrivedonthescenein1997.AndMP3players,smartphones,andLCDTVsenteredhomesin2002

4、,beforetabletsande-readersshowedupin2007.Asweaccumulatedmoredevices,however,wedidn'tthrowoutouroldones."Theliving-roomtelevisionisreplacedandgetsplantedinthekids'room,andsuddenlyoneday,youhaveaTVineveryroomofthehouse,"saidoneresearcher.Theaveragenumberofelectronicdevices

5、rosefromfourperhouseholdin1992to13in2007.We'renotjustkeepingtheseolddevices—wecontinuetousethem.AccordingtotheanalysisofBabbitt'steam,olddesktopmonitorsandboxTVswithcathoderaytubesaretheworstdeviceswiththeirenergyconsumptionandcontributiontogreenhousegasemissions（排放）more

6、thandoublingduringthe1992to2007window.Sowhat'sthesolution（解决方案）?Theteam'sdataonlywentupto2007,buttheresearchersalsoexploredwhatwouldhappenifconsumersreplacedoldproductswithnewelectronicsthatservemorethanonefunction,suchasatabletforwordprocessingandTVviewing.Theyfoundthat

7、moreon-demandentertainmentviewingontabletsinsteadofTVsanddesktopcomputerscouldcutenergyconsumptionby44%.32.Whatdoestheauthorthinkofnewdevices?A.Theyareenvironment-friendly.B.Theyarenobetterthantheold.C.Theycostmoretouseathome.D.Theygooutofstylequickly.2019高考英语33.WhydidBa

8、bbitt'steamconducttheresearch?A.Toreducethecostofminerals.B.Totestthelifecycleofaproduct.C.Toupdatecons