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—astheseoutdateddevicesconsumemuchmoreenergythantheneweronesthatdothesamethings.Tofigureouthowmuchpowerthesedevicesareusing,CallieBabbittandhercolleaguesattheRochesterInstituteofTechnologyinNewYorktrackedtheenvironmentalcostsforeachproductthroughoutitslife—fromwhenitsmineralsareminedtowhenwestopusingthedevice.Thismethodprovidedareadoutforhowhomeenergyusehasevolvedsincetheearly1990s.Devicesweregroupedbygeneration—Desktopcomputers,basicmobilephones,andbox-setTVsdefined1992.Digitalcamerasarrivedonthescenein1997.AndMP3players,smartphones,andLCDTVsenteredhomesin2002,beforetabletsande-readersshowedupin2007.Asweaccumulatedmoredevices,however,wedidn'tthrowoutouroldones."Theliving-roomtelevisionisreplacedandgetsplantedinthekids'room,andsuddenlyoneday,youhaveaTVineveryroomofthehouse,"saidoneresearcher.Theaveragenumberofelectronicdevicesrosefromfourperhouseholdin1992to13in2007.We'renotjustkeepingtheseolddevices—wecontinuetousethem.AccordingtotheanalysisofBabbitt'steam,olddesktopmonitorsandboxTVswithcathoderaytubesaretheworstdeviceswiththeirenergyconsumptionandcontributiontogreenhousegasemissions(排放)morethandoublingduringthe1992to2007window.Sowhat'sthesolution(解决方案)?Theteam'sdataonlywentupto2007,buttheresearchersalsoexploredwhatwouldhappenifconsumersreplacedoldproductswithnewelectronicsthatservemorethanonefunction,suchasatabletforwordprocessingandTVviewing.Theyfoundthatmoreon-demandentertainmentviewingontabletsinsteadofTVsanddesktopcomputerscouldcutenergyconsumptionby44%.32.Whatdoestheauthorthinkofnewdevices?A.Theyareenvironment-friendly.B.Theyarenobetterthantheold.C.Theycostmoretouseathome.D.Theygooutofstylequickly.33.WhydidBabbitt'steamconducttheresearch?A.Toreducethecostofminerals.B.Totestthelifecycleofaproduct.C.Toupdateconsumersonnewtechnology.D.Tofindoutelectricityconsumptionofthedevices.34.Whichofthefollowingusestheleastenergy?A.Thebox-setTV.B.Thetablet.C.TheLCDTV.D.Thedesktopcomputer.35.Whatdoesthetextsuggestpeopledoaboutoldelectronicdevices?A.Stopusingthem.B.Takethemapart.C.Upgradethem.D.Recyclethem.【答案】32.A33.D34.B35.A【解析】本文是一篇科普说明文。文章讲述了新旧电子设备的差别,旧电子设备耗能高,不环保。所以作者主张使用新电子设备。33.细节理解题。根据文章第二段中的Tofigureouthowmuchpowerthesedevicesareusing,CallieBabbittandhercolleaguesattheRochesterInstituteofTechnologyinNewYorktrackedtheenvironmentalcostsforeachproductthroughoutitslife可知,Babbitt’steam研究的目的是弄清楚这些设备用了多少电。故选D。34.细节理解题。根据文章最后一段中的Theyfoundthatmoreon-demandentertainmentviewingontabletsinsteadofTVsanddesktopcomputerscouldcutenergyconsumptionby44%.可知,平板电脑是耗能最少的电子设备,可以降低44%的耗能。故选B。35.推理判断题。根据文章的整体内容可知,因为旧的电子设备耗能高,不环保。所以作者建议停止使用旧的电子设备。故选A。点睛:熟悉比较句型是彻底理解本文的关键,也是解题的关键。本文中的比较句型:1.That’sbadnewsfortheenvironment–andourwallets–astheseoutdateddevicesconsumemuchmoreenergythanthenewsonesthatdothesamethings做同样的事,旧的过时的装置比新装置消耗更多能源,对环境有害,浪费钱财。2.Accordingtothea...