2019年職稱英語衛(wèi)生類C級(jí)閱讀復(fù)習(xí)講義(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.詞匯：nanotechnology/5nAnEutek7nlEdZI/n納米技術(shù)matter/5mAtE/n.物質(zhì)molecule/5mClikju：l,5mEu-/n.分子atom/5AtEm/n.原子nanometer/5neinE7mi：tE/n.納米，毫微米(長(zhǎng)度單位，=10-9m)one-billionthn.十億分之一dirt-resistantadj，防塵的，防污的promise/5prCmis/n.希望，前程program/5prEu^rAm/(=programme)n.節(jié)目，節(jié)目單vt.為編制程序scholar/5skClE/n.

學(xué)者

quantum/5kwCntEm/n.量;

量子.dot/dCt/n.(小)點(diǎn)，圓點(diǎn)confirm/kEn5fE：m/vt.確認(rèn);證明case/keis/n.病癥;病例;malaria/mE5lZEriE/n.瘧(疾)misuse/5mis5ju：z/n.誤用，濫用particle/5pB：tikl/n.顆粒.微粒：粒子activate/5Aktiveit/vt.使激活identify/ai5dentifai/v.辨識(shí)diagnose/5daiE^nEuz/vt.診療(疾病)Brazil/brE5zil/n.巴西investment/in5vestmEnt/n.

nano-materialn.投資;投資額

納米資料練習(xí)：WhichofthefollowingusesofnanotechnologyisNOTmentionedinthepassage?ATomakebeautyproductsanddirt-resistantclothing.BToproducebetterandlighterbuildingmaterials.CTohelpmoreaccuratelydiagnosediseases.DTohelpmoreeffectivelytreatdiseases.2.Howcanquantumdotsbeusedtoconfirmdiseases?ABytraditionallylookingataperson’sbloodunderamicroscope.BBylettingapersontakesomekindofmedicine.CBylightingupinthepresenceofatargetedmolecule.DBysubjectingapersontoanX-rayexamination.Howcannanotechnologybeusedtomakeadrugmoreeffective?ABymakingadrugtargetthefocusofadisease.BBychangingthestructureofthebodycells.CByloweringthesideeffectscausedbyadrug.DBylettingapatienttakeadoseaslargeaspossible.ThefollowingdevelopingcountriesaredoingverywellscientificresearchonnanotechnologyEXCEPT______.AChinaBBrazilCIranDIndiaWhichofthefollowingisthepossibleriskinusingnano-materialsmentionedinthepassage?AThey