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
55
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】______
【B4】
选项
答案
results
解析
转载请注明原文地址:https://kaotiyun.com/show/B3w7777K
0
大学英语四级
相关试题推荐
Everybodywastestime.Insteadofdoinghishomework,theschoolboywatches【36】.Insteadofwritingher【37】,thestudentgoesou
BritishCuisine:theBestofOldandNewBritishcuisine(烹饪)hascomeofageinrecentyearsaschefs(厨师)combinethebest
Parentswhosmokeoftenopenawindoworturnonafantocleartheairfortheirchildren,butexpertsnowhaveidentifiedare
Mostpeoplethinkofzoosassafeplacesforanimals,wherestrugglessuchasdifficultyfindingfoodandavoidingpredators(猛兽
A、HelikesSwedenbetterthanEngland.B、Heprefershotweathertocoldweather.C、HeisanEnglishmanlivinginSweden.D、Hevi
Whenyouhavetomeetsomeonefromadifferentculture,beprepared.Ifyouunderstandculturaldifferences,you’llbeabetter
A、Repairtheirbicycles.B、Goonabicycletour.C、Takeatestaboutroadsafety.D、Participateinabicyclerace.B选项均以原形动词开头以
Anotherperson’senthusiasmwaswhatsetmemovingtowardthesuccessIhaveachieved.Thatpersonwasmystepmother.Iwas
A、Hesentsurgeonstoserveinthearmy.B、Heprovidedsoldierswithmedicalsupplies.C、Herecruitedvolunteerstocareforthe
Modernscientistsdividetheprocessofdyingintotwostages-clinicalortemporarydeathandbiologicaldeath.Clinicaldeatho
随机试题
设x1=1,x2=2均为y=alnx+bx2+3x的极值点,求a,b.
肺下界的体表投影在腋中线相交于()
甲状腺功能亢进症的主要临床表现是
癫痫强直一阵挛发作时最主要的护理是
饥不欲食可见于()
胡锦涛同志在十八大报告中指出,要全面落实经济建设、政治建设、文化建设、社会建设()五位一体总体布局。
要做到遵纪守法,对每个干部职工来说,必须做到()。
2008年到2012年间,该市文化产业总值增长最快的年份是()。
数据管理技术的发展是与计算机技术及其应用的发展联系在一起的,经历了由低级到高级的发展过程。分布式数据库、面向对象数据库等新型数据库是属于()发展阶段的。
TeamWorkTheclassteacher/sandstudent/sneedtoworklikeateam,withtheteacherbeingthecoachwhoneedstocontin
最新回复
(
0
)