2015年英语四级长篇阅读匹配练习题(4)

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1、2015年英语四级长篇阅读匹配练习题(4)2015年英语四级长篇阅读匹配练习题(4)Here’stheTotallyAmazingWonderMaterialThatCouldRevolutionizeTechnology　　A.Inthetechnologyindustry,everynewproductorserviceseemstocomewiththepromisethatitisaninnovationwiththepotentialtochangetheworld．Graphene(石墨烯)，aformofcarbon，mightactuallydojustthat．　

2、　B.“Grapheneisawonderfulmaterial，”JeanieLau，aprofessorofphysicsattheUniversityofCaliforniaatRiverside，toldFortune．“Itconductsheat10timesbetterthancopperandelectricity100timesbetterthansilicon，istransparentlikeplastic，extremelylightweight,extremelystrong,yetflexibleandelastic．Inthepastdecade，it

3、hastakenthescientificandtechnologycommunitiesbystorm，andhasbecomethemostpromisingelectronicmaterialtosupplementorreplacesilicon．”　　C.Graphenehasalreadyfounditswayintoanumberofcompellingapplications，Lausaid．Forinstance，“sinceitisbothtransparentandelectricallyconductive—twoattributesrarelyfoundi

4、nthesamematerialinnature—ithastremendouspotentialasthetransparentelectrodeinmonitors．displays；solarcells，andtouchscreens，”sheexplained．“CompaniessuchasSamsungthatinvestheavilyinthisareahavealreadysecuredpatents，producedprototypes，andareexpectedtobringproductstomarketinafewyears．”Wearableelectr

5、onicdevices，aviationcomponents，broadbandphotodetectors(光电检测器)，radiation-resistantcoatings，sensors，andenergystorageareamongnumerousotherareasofactiveresearch．Lausaid．　　D.Formanyresearchersandinvestors，theultimateapplicationisgraphene-basedtransistors，thebuildingblocksofmodemelectronics．Butgetti

6、ngtheremaytakesometime．Achildofgraphite　　E.Firstproducedinalabbackin2004，grapheneisessentiallyasinglelayerofpurecarbonatomsbondedtogetherinahoneycomblatticesothinit’sactuallyconsideredtwo-dimensional．“Wegenerallyregardanythinglessthan10layersofgrapheneasgraphene；otherwise，it’sgraphite，”saidAra

7、vindVijayaraghavan，alecturerinnanomaterialsattheUniversityofManchester．　　F.Even“graphene”isabitofanumbrellaterm．“Tooversimplify,therearetwomajortypesofgraphene，”MichaelPatterson，CEOofGrapheneFrontiers，said．Thefirst：“Nanoplatelets，”which