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
43
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】______
【B1】
选项
答案
laboratory
解析
转载请注明原文地址:https://kaotiyun.com/show/93w7777K
0
大学英语四级
相关试题推荐
Eversincesomekidshave【36】thefirstgrade,theyhateschool.Everykid【37】grumblesaboutschool.Butfivetotenpercentof
A、Healthandsafetyconditionsintheworkplace.B、Rightsandresponsibilitiesofcompanyemployees.C、Commoncomplaintsmadeby
BritishCuisine:theBestofOldandNewBritishcuisine(烹饪)hascomeofageinrecentyearsaschefs(厨师)combinethebest
A、Toshowhisfriendlinesstoher.B、Toshowhisinterestinreading.C、TotellherabouttheimportanceoftheUN.D、Tolether
Whenyouhavetomeetsomeonefromadifferentculture,beprepared.Ifyouunderstandculturaldifferences,you’llbeabetter
A、ThecommunityofAltowaspoor.B、Thesummercampwasattractivetotheparents.C、SandyVanWeeldengotalegacyfromtheHat
Theeducationbudgetforthecomingyearisabout$4billion,______(这比人们预料的要多得多)
Modernofficesmayscornthestuff,butpaperhasfoundanewuseinthelaboratory—asthebasisfor3Dmodelsoftumoursand
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
Modernscientistsdividetheprocessofdyingintotwostages-clinicalortemporarydeathandbiologicaldeath.Clinicaldeatho
随机试题
设二阶可微函数满足方程求f(x).
该患者应高度怀疑对该病的治疗哪种方案较好
构成心右缘的主要结构是
下列选项中,属于项目目标控制中主动控制的是()。
对业主而言,成本加酬金合同的优点有()。
经济发展不仅是指一般的经济增长,而且还包括一个国家随着经济增长而出现的()。
在观察学习中,当观察者看到榜样因为表现出某个行为而被强化时,我们称观察者被施以了___________。
Themainpurposeofthispassageisto______.Theword"cuddle"inPara.2mostprobablymeans______.
习近平指出:“中国梦的本质是国家富强、民族振兴、人民幸福。”国家富强,民族振兴,人民幸福的关系是()。
Themainpurposeofannouncingtheaboveeventsistogiveinformationabout______.Ifyoutakepartinthefirstcompetitive
最新回复
(
0
)