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2019年职称英语卫生类C级阅读复习讲义(2)BringingNanotechnologytoHealthCareforthePoorNanotechnologyusesmatteratthelevelofmoleculesandatoms.Researchersarefindingdifferentusesforparticleswithalengthofonenanometer,orone-billionthofameter.Theseincludethingslikebeautyproducts1anddirt-resistantclothing.Butoneareawheremanyexpertsbelievenanotechnologyholdsgreatpromiseismedicine.Lastweek,speakersataprograminWashingtondiscussedusingnanotechnologytoimprovehealthcareindevelopingcountries.TheprogramtookplaceattheWoodrowWilsonInternationalCenterforScholars.PeterSingerattheUniversityofTorontosaysananotechnologycalledquantumdots2couldbeusedtoconfirmcasesofmalaria.Hesayskcouldofferabetterwaythanthetraditionalprocessoflookingataperson'sbloodunderamicroscope.Inpoorcountries,thisprocessisoftennotfollowed.Asaresult,sickpeoplemaygettreatedformalariaeveniftheydonothaveit.Suchmisuseofmedicinescanleadtodrugresistance.Quantumdotsareparticlesthatgiveoff3lightwhenactivated.Researchersarestudyingwaystoprogramthemtoidentifydiseasesbylightingupinthepresenceofatargetedmolecule.4Expertssaynanotechnologyshowspromisenotjustfordiagnosingdiseases,butalsofortreatingthem.PiotrGrodzinskioftheNationalInstitutesofHealth5talkedabouthownanotechnologycouldmakedrugsmoreeffective.Hetalkedaboutcancerdrugsalreadydevelopedwithnanotechnology.Hesaysifadrugcantargetacancerlocallyinthebody,thenmuchlessofitmightbeneeded,andthatmeanslowersideeffects.6AndrewMaynardischiefscientistfortheProjectonEmergingNanotechnologiesattheWoodrowWilsonCenter.HenotedthatBrazil,India,ChinaandSouthAfricaarecurrentlydoingnanotechnologyresearchthatcouldhelppoorcountries.Buthealsonotedthatthereissomeriskinusingnano-materials.Hesaysnanometer-sizedparticlesbehavedifferentlyinthebodyandtheenvironmentcomparedtolargerparticles7.Expertssaymoreinvestmentinresearchisneededtobetterunderstandtheserisks.词汇:nanotechnology/5nAnEutek7nlEdZI/n纳米技术matter/5mAtE/n.物质molecule/5mClikju:l,5mEu-/n.分子atom/5AtEm/n.原子nanometer/5neinE7mi:tE/n.纳米,毫微米(长度单位,=10-9m)one-billionthn.十亿分之一dirt-resistantadj,防尘的,防污的promise/5prCmis/n.希望,前程program/5prEu^rAm/(=programme)n.节目,节目单vt.为编制程序scholar/5skClE/n.

学者

quantum/5kwCntEm/n.量;

量子.dot/dCt/n.(小)点,圆点confirm/kEn5fE:m/vt.确认;证明case/keis/n.病症;病例;malaria/mE5lZEriE/n.疟(疾)misuse/5mis5ju:z/n.误用,滥用particle/5pB:tikl/n.颗粒.微粒:粒子activate/5Aktiveit/vt.使激活identify/ai5dentifai/v.辨识diagnose/5daiE^nEuz/vt.诊疗(疾病)Brazil/brE5zil/n.巴西investment/in5vestmEnt/n.

nano-materialn.投资;投资额

纳米资料练习:WhichofthefollowingusesofnanotechnologyisNOTmentionedinthepassage?ATomakebeautyproductsanddirt-resistantclothing.BToproducebetterandlighterbuildingmaterials.CTohelpmoreaccuratelydiagnosediseases.DTohelpmoreeffectivelytreatdiseases.2.Howcanquantumdotsbeusedtoconfirmdiseases?ABytraditionallylookingataperson’sbloodunderamicroscope.BBylettingapersontakesomekindofmedicine.CBylightingupinthepresenceofatargetedmolecule.DBysubjectingapersontoanX-rayexamination.Howcannanotechnologybeusedtomakeadrugmoreeffective?ABymakingadrugtargetthefocusofadisease.BBychangingthestructureofthebodycells.CByloweringthesideeffectscausedbyadrug.DBylettingapatienttakeadoseaslargeaspossible.ThefollowingdevelopingcountriesaredoingverywellscientificresearchonnanotechnologyEXCEPT______.AChinaBBrazilCIranDIndiaWhichofthefollowingisthepossibleriskinusingnano-materialsmentionedinthepassage?AThey

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