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
2024-02-18
71
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] 【B7】
选项
答案
prevent
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3461417.html
相关试题推荐
IftwoscientistsatLosAlamosNationalLaboratoryarecorrect,peoplewill
IftwoscientistsatLosAlamosNationalLaboratoryarecorrect,peoplewill
Adviceto"sleeponit"couldbewellfounded,scientistssay.Afteragood
Adviceto"sleeponit"couldbewellfounded,scientistssay.Afteragood
Adviceto"sleeponit"couldbewellfounded,scientistssay.Afteragood
Adviceto"sleeponit"couldbewellfounded,scientistssay.Afteragood
Scientistshavespentyears______intotheeffectsofcertainchemicalsontheh
TheUFOphenomenonisnotnewtous,butscientistsarestillnotabletooffer
Theneedforbirthcontrolmethodshasdevelopedfairly【B1】______,withthe
Theneedforbirthcontrolmethodshasdevelopedfairly【B1】______,withthe
随机试题
Manyyoungpeoplebelievethatwarisstupidandunnecessary.Tothem,toloseo
IfoundIbecamefatagain,soIhadtotakethecoatbacktotheshoptohavei
IntheUnitedStatesandinmanyothercountriesaroundtheworld,thereare
初始地籍调查的特点包括( )。A.涉及方面广 B.规模大 C.调查时间短
胎儿循环的特点描述不恰当的是A.胎儿肺动脉血大部分经动脉导管流入主动脉 B.进
下列有关审计产生和发展的表述中,正确的有( )。A.受托经济责任的确立是审计产
为反映我国工业企业自主创新能力现状,了解企业开展创新活动的政策环境以及企业家对创
属于凝血因子Xa直接抑制剂的是A.依诺肝素 B.肝素 C.华法林 D.
企业按期计提车船税时,下列分录正确的是( )。 A.借:管理费用 ? 贷
某桥梁工程的下部结构已全部完成,受政府指令工期的影响,业主将尚未施工的上部结构分
最新回复
(
0
)