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
Scientists have developed a new cancer drug. So far, they have tasted it only on【B1】______animals. The drug is designed to【B2】__
Scientists have developed a new cancer drug. So far, they have tasted it only on【B1】______animals. The drug is designed to【B2】__
admin
2012-12-13
87
问题
Scientists have developed a new cancer drug. So far, they have tasted it only on【B1】______animals. The drug is designed to【B2】______and kill cancer cells but not healthy cells.
First, the drug enters the cancer and destroys the supply of blood. Then it releases【B3】______to destroy the cancer cells,
Researchers at the Massachusetts Institute of Technology in Cambridge carried out the study. The【B4】______appeared in Nature【B5】______. A school news release caned the drug an "anti-cancer smart bomb."
Ram Sasisekharan is a professor at M.LT. Ha says his team had to【B6】______three problems. They had to find a way to destroy the blood vessels, then to【B7】______the growth of new ones. But they also needed the blood vessels to supply chemicals to destroy the cancer.
So, tile researchers designed a two-part "nanocell". The cell is【B8】______in nanometers, or one thousand millionth of a meter.【B9】______
The scientists say it was small enough to pass through the blood vessels of the cancer, but it was too big to enter normal blood vessels. The surface of the nanocells also halped, them to avoid natural defenses.
【B10】______That cut off the blood supply and trapped the nanocell inside the cancer. Then, the nanocell slowly released chemotherapy drugs to kill the cancer cells.
【B11】______
【B10】
选项
答案
The scientists designed the cell as a balloon inside a balloon. They loaded the outer part with a drug that caused the blood vessels to fall in on themselves.
解析
转载请注明原文地址:https://www.kaotiyun.com/show/z3w7777K
0
大学英语四级
相关试题推荐
Thepopularnotionthatolderpeopleneedlesssleepthanyoungeradultsisamyth,scientistssaidyesterday.Whileelderly
A、Hehardlyneedstodoanyadvertisingnowadays.B、Headvertisesalotonradioandinnewspapers.C、HespendshugesumsonTV
BritishCuisine:theBestofOldandNewBritishcuisine(烹饪)hascomeofageinrecentyearsaschefs(厨师)combinethebest
A、Thestudentlikesthecourseverymuch.B、Studentsattenditbecauseitisrequired.C、Theprofessoroffersthecourseeveryt
Atsometimeinyourlifeyoumayhaveastrongdesiretodosomethingstrangeorterrible.【C1】______,chancesarethatyoudon
Asksomeonewhattheyhavedonetohelptheenvironmentrecentlyandtheywillalmostcertainlymentionrecycling.Recyclingin
A、InChicago.B、InBoston.C、InWashington.D、InManchester.D对话中女士问男士是否喜欢在曼彻斯特的生活,男士首先回答说他喜欢,然后提到他将要动身去芝加哥或波士顿了,由此可知,男士现在住在曼彻斯特
Knowledgemaybeacquiredthroughconversation,watchingtelevisionortraveling,butthedeepestandmost【B1】______wayisthrou
A、Hesentsurgeonstoserveinthearmy.B、Heprovidedsoldierswithmedicalsupplies.C、Herecruitedvolunteerstocareforthe
It’suptoman______(保护环境不受污染)
随机试题
可出现昏迷的是下列哪种疾病
患者发热,咳嗽,胸痛,咯吐腥臭浊痰,甚则脓血相兼,其诊断为:
下列栓剂基质中,具有同质多晶性的是
为配制注射剂用的溶剂是
政府通过财政政策,调节社会总需求和总供给,实现总供需的平衡和结构平衡,进而实现国民经济的又好又快发展。这是指财政政策的()。
某公司向银行借款10000元,期限3个月,年利率5%,到期一次还本付息,则到期时,该项借款的账面价值为()元。
依次填入画横线部分最恰当的一项是()。①这几年新建的楼房_______,使这座城市更加繁荣。②文艺晚会上他们把自己的表演才能发挥得_______。③现在到人才市场应聘的人虽然很多,但_______,用人单位要找到真正能
2022年,人社部和国家医保局“总对总”通道正式开通,支持电子社保卡和医保电子凭证在就医购药领域并行使用。下列关于社保卡的相关说法,错误的是()。
TASKONE—JOB•Forquestions13—17,matchtheextractswiththecorrespondingjob,listedA—H.•Foreachextract,choosethejob
Whywork?【C1】______youhaveperiodicallyaskedyourselfthesamequestion,perhapsfocusedon【C2】______youhavetowork.Serf-
最新回复
(
0
)