首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Last week, speakers at a program in Washington discussed using nanotechnology (纳米技术) to improve health care in developing countr
Last week, speakers at a program in Washington discussed using nanotechnology (纳米技术) to improve health care in developing countr
admin
2010-05-09
39
问题
Last week, speakers at a program in Washington discussed using nanotechnology (纳米技术) to improve health care in developing countries.
Peter Singer at the University of Toronto says a nanotechnology called quantum dots could be used to【B1】______ cases of malaria. He says it could offer a better way than the traditional process of looking at a person’s blood under a【B2】______ . In poor countries, this process is often not【B3】______ . As a result, sick people may get treated for malaria even if they do not have it. Such misuse of medicines can lead to drug【B4】______ . Quantum dots are particles that give off light when【B5】______ . Researchers are studying ways to program them to【B6】______ diseases by lighting up in the presence of a targeted molecule.
Experts say nanotechnology shows promise not just for【B7】______ diseases, but also for treating them. Piotr Grodzinski of the National Institutes of Health talked about how nanotechnology could make drugs more【B8】______ . He talked about cancer drugs already developed with nanotechnology.【B9】______ .
Andrew Maynard is the chief scientist for the Project on Emerging Nanotechnologies at the Woodrow Wilson Center.【B10】______ . But he also noted that there is some risk in using nano-materials. He says nanometer-sized particles behave differently in the body and the environment compared to larger particles.【B11】______ .
【B11】
选项
答案
Experts say more investment in research is needed to better understand these risks
解析
转载请注明原文地址:https://kaotiyun.com/show/2BKK777K
0
大学英语六级
相关试题推荐
Whatcanweinferfromthefirstparagraph?WhatproblemsexistinBerger’scountryaccordingtothepassage?
A、Hecan’taffordtoplayforfourhoursaday.B、HefindsiteasytoimprovehisEnglish.C、Hewon’tacceptthewoman’sadvice.
Inmanycountriestoday,lawsprotect(36)______.InIndiatheneedforsuchprotectionwasrealizedcenturiesago.About30
A、TheUSshouldcatchuptoEuropeanenvironmentalstandards.B、AmericanexportersmustadapttonewregulationsinEurope.C、Th
A、Becausetheplaneturnssharply.B、Becauseitis22miles.C、Becausetherearenosigns.D、Becauseofdrivingconditions.DM:H
A、Heoftencutsclassestoplaybasketball.B、Hehasnochancetoplaybasketball.C、He’slookingforsomebodytoplaythegame
A、Currenttrendsineconomicdevelopment.B、Domesticissuesofgeneralsocialconcern.C、StoriesaboutBritain’srelationswith
Americanhighereducationstandsonthebrinkofchaos.Neverhavesomanyspentsolonglearningsolittle.Thepresentcrisis
A、Shehastoomanydreams.B、Shedoesn’tputhisideasintopractice.C、Shelikestosleep.D、Shedoesn’thavemanygoodideas.
Natural-gasVehiclesKermittheFrogoncesaid,"It’snotthateasybein’green."Althoughhewasn’treferringtocars,his
随机试题
手工除锈及动力工具除锈可达到的除锈等级为()。
下列选项中,不是慢性牙髓炎的病理改变的是
2002年9月在南非的约翰内斯堡召开的第二届地球峰会,为全球可持续发展制定了具体的行动计划,重点集中在()、()、()、()、()等几大具体领域。
学生对某一学科产生强烈的好奇心和探究的兴趣,说明学生产生了()。
甲、乙、丙三人打羽毛球,每一局由两人上场,另一人做裁判。第一局抽签决定裁判,往后每一局的比赛在上一局的胜者和上一局的裁判之间进行。打了若干场之后,甲胜了10局,而乙和丙各负了8局,则他们至少打了()局。
敦煌的壁画,今天来看,有关它的艺术类别、作者群体之争早已淹没在它作为风俗记录的伟大功绩之下。它激发的久远的情感共鸣,它唤起的广阔的文化认同,它引导人们对祖先的精神信仰和世俗生活的深度理解,雄健地跨越历史的长河,如此鲜明和有力地以记忆的方式,作用在欣赏者的心
设λ1,λ2是矩阵A的两个不同的特征值,对应的特征向量分别为α1,α2,则α1,A(α1+α2)线性无关的充分必要条件是()
基线由一组配置项组成,这些配置项构成了一个相对稳定的逻辑实体,是一组经过()正式审查、批准,达成一致的范围或工作产品。
Cellphone:yournextcomputerOnehundrednineteenhours,41minutesand16seconds.That’stheamountoftimeAdamRappopo
Throughouthistorythebasicunitofalmosteveryhumansocietyhasbeenthefamily.Membersofafamilylivetogetherunderthe
最新回复
(
0
)