many experts complain that media too often take advantage 阅读理解答案

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1、Manyexpertscomplainthatmediatoooftentakeadvantage阅读理解答案　　Manyexpertscomplainthatmediatoooftentakeadvantageofthesciencefictionaspectsofnanotech.ReportsofnanotechoftenrefertoK.EricDrexler’sbookEnginesofcreations,whichpredictsanagefullofdominantmolecularmanufacturingandaworldwithoutmate

2、rialscarcity.Whateverhumansneedwillonedaybebuiltcheaplywithmicroscopicself-replicatingmachinesthatputatomstogethertocreatecopiesofanythingaliveintheworld--fromtreestohumanbodies.　　Infact,thescientificcommunityisdeeplydividedoverwhetherself-replicatingmachinesarepossible.Iftheyare,maj

3、ordangerscouldexist.Dr.Drexlerhimselfthoughtthatself-replicatingmachinescouldgooutofcontrol.Hewritesinhisbookthatman-made“plants”withleavesnomoreefficientthantoday’ssolarcellscouldwinoverrealplantscrowdingtheearthwithleavesthatarenotsuitabletobeeaten.Tough“bacteria”couldbemorecompeti

4、tivethantherealbacteria,theycouldspread　　　　everywhere,replicateswiftly,andreducetheearthtodustinamatterofdays.　　Criticsofnanotechhavemadeuseofsuchimages,callingforadelayoncommercialnanotechuntilregulationsareestablished.Theyalsopointtothepossiblemilitaryusesofnanotech.BillJoy,theco-f

5、ounderofSunMicrosystems,wroteinaWiredmagazineessayin2000thatifnanotechfallsintothewronghands,itcouldbringdangerstosociety.　　OpponentssayMr.Joyisover-reacting,“Inaway,callingforbansonresearch,intomolecularmanufacturingislikecallingforadelayonfaster-than-lighttravelbecausenooneisdoingi

6、t.”saysGlennReynolds,aUniversityofTennesseelawprofessor.　　ProfessorReynoldssaysitisagoodideatoregulatenanotech,butinwaysthegovernmentwouldregulateanythatcouldbedangerous.Expertcontrolsandcertificationsystemsfornanotechcompaniesareexamples.USlawmakerslaveputforthfourbillsonnanotechres

7、earchanddevelop　　　　ment.　　66.K.EricDrexlerinhisbookpredictsafutureworldwithsufficientmaterial,because________.　　A.man-madeplantscouldreplacerealplantsandgrowmorequickly　　B.plantsproducedbynanotechwouldbeassufficientastoday’ssolar　　C.man-madebacteriawouldbewide-spreadandcapableofself-

8、replicating