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1、TEXT18Hasallthemagicgone?Apr12th2006FromTheEconomistprinteditionONMARCH27thabathroomcleanercalledMagicNanowent(A)saleinGermany.Threedayslateritwaswithdrawnfromthemarketafternearly80peoplereportedsevererespiratoryproblemsandsixwereadmitted(B)hospitalwit
2、hfluidontheirlungs.Althoughmostofthesymptomssoonclearedup,criticsofnanotechnology,havebeenquicktoidentifythisas（1）oneofthefirstexamplesofasinistertechnologyrun★amok[1].Oneproblem(C)thiscriticismisthattherespiratoryproblemswerenoticedonlywiththe★aerosol
3、[2]spray-canformoftheproduct.Noproblemshavebeenreportedwiththesamefluidinapumpbottle.JürgenKundke,oftheBerlin-basedFederalInstituteforRiskAssessment,agovernmentgroupthatreportsonconsumer-healthprotection,pointstosimilarrespiratoryeffectsinaSwissproduct
4、severalyearsagothatwasnotmarketed(D)ananotechnologylabel.AnotherproblemwithblamingnanotechnologyisthatKleinmann,themanufacturerbasedinSonnenbühl,Germany,alsoproducesarangeofotherproductssuchasa★windscreen[3]cleanercontainingthe★self-same[4]nanotechnolo
5、gy.Thesehavenotharmedanyone.Thetechnology(E)questioncontainsverytiny★silicate[5]particlessuspendedinafluid.Whentheyareappliedtoasurface,theseparticlesblocktheminute★crevices[6]init,（2）reducingthescopefordirt,moistureandbacteriatoclingtothesurface.NeilM
6、cClelland,aspokesman(F)KleinmanninBritain,said（3）thesignssofarwerethattheculpritwastheanti-corrosionliquidinsidethe★propellant[7]can.TheaerosolwastheonlyproductintheMagicNanorangethatthecompanydidnotproduce—itcamefromasupplierinMunich,calledHago,whicha
7、lsotestedtheproduct.OnApril10threpresentativesfromKleinmannmetscientistsinBerlintobriefthem(G)MagicNano'singredients.TheproductinsidetheaerosolwasalsoclearedbytheGermanconsumer-protectionagencyjustbeforethemeeting.Whateverthesourceoftheproblem,Kleinman
8、nclearlyhastheresponsibilitytobesurethatwhatitsellsissafe.（4）Andthisiswherenanoscepticshaveapoint.Nolawyetstateshowtotestnanotechnology.Althoughmanufacturerswillalwaystestthesafetyoftheirproducts,consumers—andthecompaniesthemselves—mayf
