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1、Unit4GlobalwarmingⅠ.阅读理解(2018·全国Ⅰ)Wemaythinkwe’reaculturethatgetsridofourworntechnologyatthefirstsightofsomethingshinyandnew,butanewstudyshowsthatwekeepusingourolddevices(装置)wellaftertheygooutofstyle.That’sbadnewsfortheenvironment—andourwallets—astheseoutdateddevicesconsumemuchmoreenergyth
2、antheneweronesthatdothesamethings.Tofigureouthowmuchpowerthesedevicesareusing,CallieBabbittandhercolleaguesattheRochesterInstituteofTechnologyinNewYorktrackedtheenvironmentalcostsforeachproductthroughoutitslife—fromwhenitsmineralsareminedtowhenwestopusingthedevice.Thismethodprovidedareadou
3、tforhowhomeenergyusehasevolvedsincetheearly1990s.Devicesweregroupedbygeneration.Desktopputers,basicmobilephones,andbox-setTVsdefined1992.Digitalcamerasarrivedonthescenein1997.AndMP3players,smartphones,andLCDTVsenteredhomesin2002,beforetabletsande-readersshowedupin2007.Asweaccumulatedmorede
4、vices,however,wedidn’tthrowoutouroldones.“Theliving-roomtelevisionisreplacedandgetsplantedinthekids’room,andsuddenlyoneday,youhaveaTVineveryroomofthehouse,”saidoneresearcher.Theaveragenumberofelectronicdevicesrosefromfourperhouseholdin1992to13in2007.We’renotjustkeepingtheseolddevices—wecon
5、tinuetousethem.AccordingtotheanalysisofBabbitt’steam,olddesktopmonitorsandboxTVswithcathoderaytubesaretheworstdeviceswiththeirenergyconsumptionandcontributiontogreenhousegasemissions(排放)morethandoublingduringthe1992to2007window.Sowhat’sthesolution(解决方案)?Theteam’sdataonlywentupto2007,butthe
6、researchersalsoexploredwhatwouldhappenifconsumersreplacedoldproductswithnewelectronicsthatservemorethanonefunction,suchasatabletforworldprocessingandTVviewing.Theyfoundthatmoreon-demandentertainmentviewingontabletsinsteadofTVsanddesktopputerscouldcutenergyconsumptionby44%.【语篇导读】本文是议论文。当我们购
7、买了新的电子设备时,我们仍然使用旧的电子设备。其实,旧电子设备耗费的能源比新设备要多,从而损害我们的环境、浪费我们的金钱。1.Whatdoestheauthorthinkofnewdevices?A.Theyareenvironment-friendly.B.Theyarenobetterthantheold.C.Theycostmoretouseathome.D.Theygooutofstylequickly.答案A解析推理判断题。根据第一段的最后一句“That’sbadnewsfortheenvironment
