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
33
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] 【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/3461421.html
相关试题推荐
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
Adviceto"sleeponit"couldbewellfounded,scientistssay.Afteragood
Shehasspenttwentyyearsinresearchingthecauseoflungcancer.Herachievem
TheUFOphenomenonisnotnewtous,butscientistsarestillnotabletooffer
随机试题
Idon’tknowwhenhe______,butwhenhe______I’llspeaktohim.A、willcome...co
Historianstendtotellthesamejokewhentheyaredescribinghistoryeduca
Ihavealotofbeefswithpublicschool—eventhoughsomeofmygoodfriends
Whichofthefollowingunderlinedpartsisusedasanobject?A、Whatdoyouthink
学生为了自己在班级的成绩排名而努力学习,这主要属于下列哪种学习动机()A.
股票及其衍生工具的种类主要有( )。A.现货交易 B.期货交易 C.期权交
下列休克的临床表现中,的是A.神志淡漠或烦躁,四肢苍白湿冷 B.血压低于90m
某机关职员王某非法从事银行业金融机构的业务活动,其行为已触犯《刑法》,构成犯罪。
2×20年12月20日,甲、乙公司签订了一项不可撤销合同,合同约定甲公
下列自动气象观测设备的各传感器中,安装在跑道附近的是()。A.大气透射仪 B.
最新回复
(
0
)