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ID:35966650
大小:1.12 MB
页数:77页
时间:2019-04-28
《2015年2018年高考英语试题(卷)分项版解析专题16:科普类说明文》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、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—astheseoutdateddevicesconsumemuchmoreenergythanthenewerone
2、sthatdothesamethings.Tofigureouthowmuchpowerthesedevicesareusing,CallieBabbittandhercolleaguesattheRochesterInstituteofTechnologyinNewYorktrackedtheenvironmentalcostsforeachproductthroughoutitslife—fromwhenitsmineralsareminedtowhenwestopusingthedevice.Thismethodprovidedareadoutforhowhomeenergyuse
3、hasevolvedsincetheearly1990s.Devicesweregroupedbygeneration—Desktopcomputers,basicmobilephones,andbox-setTVsdefined1992.Digitalcamerasarrivedonthescenein1997.AndMP3players,smartphones,andLCDTVsenteredhomesin2002,beforetabletsande-readersshowedupin2007.Asweaccumulatedmoredevices,however,wedidn'tth
4、rowoutouroldones."Theliving-roomtelevisionisreplacedandgetsplantedinthekids'room,andsuddenlyoneday,youhaveaTVineveryroomofthehouse,"saidoneresearcher.Theaveragenumberofelectronicdevicesrosefromfourperhouseholdin1992to13in2007.We'renotjustkeepingtheseolddevices—wecontinuetousethem.Accordingtothean
5、alysisofBabbitt'steam,olddesktopmonitorsandboxTVswithcathoderaytubesaretheworstdeviceswiththeirenergyconsumptionandcontributiontogreenhousegasemissions(排放)morethandoublingduringthe1992to2007window.Sowhat'sthesolution(解决方案)?Theteam'sdataonlywentupto2007,buttheresearchersalsoexploredwhatwouldhappen
6、ifconsumersreplacedoldproductswithnewelectronicsthatservemorethanonefunction,suchasatabletforwordprocessingandTVviewing.Theyfoundthatmoreon-demandentertainmentviewingontabletsinsteadofTVsanddesktopcomputerscouldcutenergyconsumptionby44%.32.Whatdoestheauthorthinkofnewdevices?A.Theyareenvironment-f
7、riendly.B.Theyarenobetterthantheold.C.Theycostmoretouseathome.D.Theygooutofstylequickly.33.WhydidBabbitt'steamconducttheresearch?A.Toreducethecostofminerals.B.Totestthelifecycleofaproduct.C.Toupdateconsumersonnewtechno
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