首页
登录
职称英语
Scientists have developed a new cancer drug. So far, they have tasted it onl
Scientists have developed a new cancer drug. So far, they have tasted it onl
游客
2023-07-17
27
管理
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】______ [br] 【B2】
选项
答案
invade
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2845148.html
相关试题推荐
ScientistsintheUnitedStateshavereportedsomegoodnewsabouttheozone
ScientistsintheUnitedStateshavereportedsomegoodnewsabouttheozone
Socialscientistsdistinguishbetweenwhatareknownastreatmenteffectsan
Socialscientistsdistinguishbetweenwhatareknownastreatmenteffectsan
Twoscientistsaretalkinginalabonedayandonesaystotheother,"Wait
Twoscientistsaretalkinginalabonedayandonesaystotheother,"Wait
Twoscientistsaretalkinginalabonedayandonesaystotheother,"Wait
Twoscientistsaretalkinginalabonedayandonesaystotheother,"Wait
Twoscientistsaretalkinginalabonedayandonesaystotheother,"Wait
Twoscientistsaretalkinginalabonedayandonesaystotheother,"Wait
随机试题
A
“乙癸同源”说明的是哪两个脏的关系( )A.心与肾 B.脾与胃 C.肺与肾
男性,65岁,间断咳嗽、咳痰15年,活动后气短3年。近5天来发热、咳嗽、咳黄痰、
破膜24小时以上尚未完成分娩的应预防性使用抗生素。
某公司只生产一种产品,单价为4元,单价的敏感系数为4。假定其他条件不变,某公司盈
下面哪两个指标具有相同的经济意义,可以相互补充().A.资产负债率与产权比率
以下属于“S-O-R行为表达式”构成要素的是A:环境 B:感知 C:刺激
引进、消化吸收再创新与集成创新的相同点是()。A:不断地发现新规律,创造新知识
甲企业为增值税一般纳税人,主要生产M产品,每件产品的不含税售价为1000元,成本
关于工作分解结构的说法,正确的有()A:工作分解结构的模板可重复使用 B:工作
最新回复
(
0
)