首页
登录
职称英语
Scientists have developed a new cancer drug. So far, they have tested it only on
Scientists have developed a new cancer drug. So far, they have tested it only on
游客
2024-03-03
13
管理
问题
Scientists have developed a new cancer drug. So far, they have tested 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 called the drug an "anti-cancer smart bomb."
Ram Sasisekharan is a professor at M.I.T. He 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, the 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 helped 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 ceils.
【B11】______ . [br] 【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://tihaiku.com/zcyy/3500463.html
相关试题推荐
Fearisanemotiondevelopedfromlifeexperienceratherthananinbornnatureo
Fearisanemotiondevelopedfromlifeexperienceratherthananinbornnatureo
Fearisanemotiondevelopedfromlifeexperienceratherthananinbornnatureo
Fearisanemotiondevelopedfromlifeexperienceratherthananinbornnatureo
Itiswell-knownthatthelocaleconomyshouldnotbedeveloped______(以牺牲环境为代价)
Thebiggestoilspillhappenedin1989.[br]Scientistsarestudyinganddevelop
Scientiststhinkthemoralists’warningis______.[br]Whatthegovernmentcan
Scientiststhinkthemoralists’warningis______.[br]Thephrase"becaughtwi
【B1】[br]【B17】A、developedB、distributedC、organizedD、arrangedA
【B1】[br]【B8】[originaltext]RecentlyagroupofSwedishresearchscientists
随机试题
发布release;announce
EbonicsEbonics—alsoknownbyahostofotherna
Thecentralproblemoftranslatinghasalwaysbeenwhethertotranslatelite
Inthissection,youaregoingtoreadapassagewithtenstatementsattachedto
根据《电子信息系统机房设计规范GB50174-2008》,关于人流、物流及出入
以下哪种情况是表示公司可能发生舞弊的最有力信号?A.财务主管助理拒绝休假。 B
肾绞痛可选用下列哪-组药物A.阿托品和新斯的明合用B.阿托品和哌替啶合用C.哌替
流通蒸汽灭菌法的温度是A.121℃B.115℃C.100℃D.80℃E.150℃
当驾驶飞机在机场降落时,飞行员会发现前方的景物似乎朝自己运动,近处快,远处慢。这
(2021年真题)甲公司从乙公司租入一辆汽车,租赁期2年,租赁费用共计20万元。
最新回复
(
0
)