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
78
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】______
【B11】
选项
答案
The team says the treatment shrank the cancer and avoided healthy cells better than other treatments.
解析
转载请注明原文地址:https://jikaoti.com/ti/FGPFFFFM
0
大学英语四级
相关试题推荐
IntheNewWorldasinEurope,eachregiondevelopeditsown______patternofculture.
Everybodywastestime.Insteadofdoinghishomework,theschoolboywatches【36】.Insteadofwritingher【37】,thestudentgoesou
A、Hehardlyneedstodoanyadvertisingnowadays.B、Headvertisesalotonradioandinnewspapers.C、HespendshugesumsonTV
BritishCuisine:theBestofOldandNewBritishcuisine(烹饪)hascomeofageinrecentyearsaschefs(厨师)combinethebest
A、Theypaythesamewage.B、Theyinvolveworkingoutdoors.C、Theycanbesubstitutedforcollegestudents.D、They’repart-time.
Stilettoheelscouldbebannedfromtheworkplacebecauseofhealthandsafetyreasons,accordingtoBritishTradeUnionbosses.
A、Thewomanisgoingtomakehertopicmorefocused.B、Themanandwomanareworkingonajointproject.C、Oneshouldchooseab
IftwoscientistsatLosAlamosNationalLaboratoryarecorrect,peoplewillstillbedrivinggasoline-poweredcars50yearsfro
A、Itlooksverynewinsideandoutside.B、Thereisnothingwrongwiththecar.C、Manypartsinthecarneedrenewing.D、Itwase
A、Someoneoutoftouch.B、Missingitems.C、Jobvacancies.D、Someonetodate.A本题询问人们经常Google什么。短文中间提到人们经常寻找失去联系的人,但是寻找朋友、亲戚、同事和邻
随机试题
在侦查过程,有权批准进行侦查实验的是()。
Thementalpatientfluctuatesbetweengreatexcitementanddeepdepression.
计划生育技术服务机构中的医师,资格取得及管理依据
指甲油
排架建筑结构在生产使用和施工期间,承受的主要荷载有()。
《幼儿园教育指导纲要(试行)》
下列哪个选项中的作品全部出自英国作家之手?()
白登之围中,围困汉高祖刘邦的匈奴单于是()。
Wespentadayinthecountry,pickingwildflowers.Withthecarfullofflowersweweregoinghome.Onourwaybackmywifeno
A、Acceptingbothgoodandbadevaluationsandignoringthem.B、Payingattentiontothenegativefeedbackandseekingoutforhel
最新回复
(
0
)