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
38
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://jikaoti.com/ti/eDPFFFFM
0
大学英语四级
相关试题推荐
Everybodywastestime.Insteadofdoinghishomework,theschoolboywatches【36】.Insteadofwritingher【37】,thestudentgoesou
Eversincesomekidshave【36】thefirstgrade,theyhateschool.Everykid【37】grumblesaboutschool.Butfivetotenpercentof
A、Sheagreestomovetheitemtothebalcony.B、Shedisagreesandwantstheissuediscussednow.C、Shedisagreesandwantsthei
A、PowerfulLionsB、LionsatWorkandPlayC、Lions,SocialCatsD、Lions,SkilledHuntersB选项实词首字母为大写表明,本题考查短文标题。短文主要介绍了狮子捕猎习惯和娱乐方
Theconceptofstudentexchangebetweencountriesisnotanewone.Itisacommon【B1】______inmanyEuropeancountriesandtheU
Theconceptofstudentexchangebetweencountriesisnotanewone.Itisacommon【B1】______inmanyEuropeancountriesandtheU
A、ThemosteffectivemethodoflearningtheGermanlanguage.B、Thepopularityofonlineshoppingusingone’spersonalcomputer.
A、Takingatrain.B、Feelingnervous.C、Takingaplane.D、Travelingwithherfriends.A对话中男士提到…Iwouldtakeaplaneinsteadofa
Theshutdownofthemachinewasduetoits______parts.
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
A.病变侵及声门下区B.广泛性淋巴结转移或淋巴结包膜侵犯C.肿瘤严重阻塞气道,明显呼吸困难者D.早期喉癌哪一项为喉癌根治性放疗指征
药效学是研究
该患儿最可能的诊断是其遗传方式为
ROM只读存储器在机器断电后,其存储的信息将会丢失。()
下列关于企业提取法定公积金的说法中,正确的有()。
根据税法规定,下列应该进行纳税调增的项目有()。
甲上市公司以人民币为记账本位币,持有其子公司(乙公司)100%股份,乙公司确定的记账本位币为美元。2015年7月1日,为补充乙公司经营所需资金的需要,甲公司以长期应收款形式借给乙公司500万美元,除此之外,甲、乙公司之间未发生任何交易。7月1日的即期汇率为
通过采购材料需求量或需求次数计算出来的,用以表示采购管理部门可以直接满足的需求比例被称为()。
当本处室和其他处室在工作上产生矛盾时,如何处理?
试述推理中常见的偏差。
最新回复
(
0
)