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
19
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] 【B3】
选项
答案
poison
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3461413.html
相关试题推荐
IftwoscientistsatLosAlamosNationalLaboratoryarecorrect,peoplewill
IftwoscientistsatLosAlamosNationalLaboratoryarecorrect,peoplewill
IftwoscientistsatLosAlamosNationalLaboratoryarecorrect,peoplewill
IftwoscientistsatLosAlamosNationalLaboratoryarecorrect,peoplewill
IftwoscientistsatLosAlamosNationalLaboratoryarecorrect,peoplewill
Adviceto"sleeponit"couldbewellfounded,scientistssay.Afteragood
Adviceto"sleeponit"couldbewellfounded,scientistssay.Afteragood
Adviceto"sleeponit"couldbewellfounded,scientistssay.Afteragood
Adviceto"sleeponit"couldbewellfounded,scientistssay.Afteragood
Theneedforbirthcontrolmethodshasdevelopedfairly【B1】______,withthe
随机试题
甲公司系土豆新品种“超级土豆”的权利人,该品种的育种完成日为2012年12月18
B
女性,55岁。乙肝病史5年,自觉乏力、食欲差,到医院化验肝功ALT94U/L,A
下列何经循行到达巅顶A、手少阴心经 B、足少阴肾经 C、手厥阴心包经 D、
下列各项中,不符合内部牵制的要求的是()。A、出纳人员管票据 B、出纳人员
免责条款是指双方当事人事前约定的,为免除或者限制一方或者双方当事人未来责任的条款
2020年下半年,我国稀土及其制品的出口额为多少万元?A.621464
国际债券的发行人,主要是()。A:各国政府、政府所属机构B:银行或其他金融机构
根据增值税法律制度的规定,下列情形中,不属于我国增值税征税范围的是()。
桥梁建筑高度是指()。A.桥面与低水位之间的高差,或为桥面与桥下线路路面之间的
最新回复
(
0
)