首页
登录
职称英语
In last year’ s Science study, researchers at Johns Hopkins University exami
In last year’ s Science study, researchers at Johns Hopkins University exami
游客
2023-08-13
32
管理
问题
In last year’ s Science study, researchers at Johns Hopkins University examined the relationship between stem-cell divisions and cancer development. They reported that the higher the number of stem-cell divisions in a given tissue, the higher risk for【C1】______cancer. At the time, they said that their findings suggested "65% of cancer... appears to be explained by the number of stem-cell divisions". That stem-cell activity, the researchers suggested, could explain why some people without【C2】______factors like smoking will still get lung cancers.
" I was startled by their conclusion," Dr. Yusuf Hannun says, a cancer researcher at Stony Brook University in New York and author of the new Nature study. Hannun and his team【C3】______that the first study assumed that stem-cell division and other environmental factors were【C4】______of each other.
Hannun’ s team wanted to assess the【C5】______to which stem-cell division or environmental factors contribute to developing the disease. To do this, the researchers looked at a variety of data including epidemiological evidence that people living in different regions have different rates of cancer development. They also looked at cell-mutation patterns【C6】______with certain cancers, as well as mathematical models that helped parse how much a cancer was due to【C7】______factors like cell division versus extrinsic factors like environment or lifestyle.
The new study reported that while intrinsic factors did have a【C8】______in cancer development, environmental factors had a more【C9】______effect and were responsible for 70% -90% of cancer cases.
This isn’ t the last study to be published on the topic, but as scientists refine their【C10】______of the many things that can contribute to cancer risk, more information is needed.
A)argue I)intrinsic
B)associated J)relation
C)considering K)risk
D)derived L)robust
E)developing M)role
F)extent N)seizes
G)full O)understanding
H)independent [br] 【C4】
选项
答案
H
解析
根据be…of可判断,本空格应该填一个能与介词of搭配的形容词。根据上下文,第一段中《科学》上的研究表明,有些癌症患者并无吸烟等不良习惯,这说明干细胞分裂是人们患癌症的原因,也就是说,干细胞分裂和环境因素两者互不相干。be independent of意为“与……无关,独立于……之外”,故答案为H)independent(独立的,单独的)。
转载请注明原文地址:https://tihaiku.com/zcyy/2923593.html
相关试题推荐
[originaltext](12)ResearchersattheUniversityofKansassaythatpeople
[originaltext](12)ResearchersattheUniversityofKansassaythatpeople
[originaltext](12)Youngwomenarelosingfaithintheuniversitysystemwi
[originaltext](12)Youngwomenarelosingfaithintheuniversitysystemwi
[originaltext](12)Youngwomenarelosingfaithintheuniversitysystemwi
[originaltext]M:ItsaysherethatyougraduatedfromUniversityofPennsylvani
[originaltext]M:ItsaysherethatyougraduatedfromUniversityofPennsylvani
[originaltext]IfyouareinterestedinstudyingatanAmericanuniversity,
[originaltext]IfyouareinterestedinstudyingatanAmericanuniversity,
[originaltext]Theworld’ssmartestadolescentsinmathematicsandsciencea
随机试题
[originaltext]Theproblemofleisureisnew.[9]Untilveryrecenttimespeo
Normallyastudentmustattendacertainnumberofcoursesinordertogradu
ThescientistGalileoclaimedthattheearth______aroundthesun.A、movesB、mov
()的变动可以反映本期的产品供求状况,并对下期的产品供求状况产生影响。A、当期国内消费量B、当期出口量C、期末结存量D、前期国内消费量C期末结
下图坝体分区中,Ⅴ区混凝土应考虑抗裂和()等因素。 A.抗渗 B.抗侵
福建靠近北回归线,形成暖热湿润的温带海洋性季风气候。()
教育科学研究的本质特征是( )。A.整理知识 B.创新 C.经验描
即将开展的以社区为本的康复计划,将康复过程中一些比较简单的和非专业化的训练及护理
盈利能力比率用来衡量管理层将销售收入转换成实际利润的效率,体现管理层控制费用并获
下列不属于工程计量依据的是()。A、企业定额 B、质量合格证书 C、设计图
最新回复
(
0
)