首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Researchers have established that when people are mentally engaged, biochemical changes occur in the brain that allow it to act
Researchers have established that when people are mentally engaged, biochemical changes occur in the brain that allow it to act
admin
2013-06-17
74
问题
Researchers have established that when people are mentally engaged, biochemical changes occur in the brain that allow it to act more effectively in cognitive (认知的) areas such as attention and memory. This is true【C1】______of age.
People will be alert and receptive【C2】______they are faced with information that gets them to think about things they are interested in. And someone【C3】______a history of doing more【C4】______than less will go into old age more cognitively【C5】______than someone who has not had an active mind.
Many experts are so【C6】______of the benefits of challenging the brain【C7】______they are putting the theory to【C8】______in their own lives. "The idea is not【C9】______to learn to memorize enormous amounts of information," says James Fozard, associate director of an institute【C10】______aging. "Most of us don’t need that kind of skill. Such【C11】______training is of less interest than being able to【C12】______mental alertness. " Fozard and others say they【C13】______their brains with different mental skills, both because they enjoy them and because they are sure that their range of activities will help the way their brains work.
Gene Cohen, acting director of the same institute,【C14】______that people in their old age should【C15】______in mental and physical activities individually as【C16】______as in groups. Cohen says that we are frequently advised to keep physically active as we age, 【C17】______older people need to keep mentally active as well. Those who do are more【C18】______to maintain their intellectual abilities and to be generally happier and better【C19】______. "The point is: you need to do【C20】______," Cohen says. "Intellectual activity actually influences brain-cell health and size."
【C12】
选项
A、maintain
B、sustain
C、retain
D、obtain
答案
A
解析
语义衔接题。[A]maintain、[B]sustain、[C]retain都有“保持”的意思,但侧重点不同。maintain常用来指维持已有的水平、标准;sustain常用来指支持、维持生命;retain常用来指保留某物。[D]obtain“获得”。结合语境,此处是说保持头脑的机敏,备选项中只有[A]符合语境,故答案为[A]。下文提到的maintain their intellectual abilities对本题有提示作用。
转载请注明原文地址:https://kaotiyun.com/show/qh07777K
0
大学英语四级
相关试题推荐
Manystudentsfindtheexperienceofattendinguniversitylecturestobeareallyconfusingand【C1】______experience.Thelecture
Manyteachersbelievethattheresponsibilitiesforlearningliewiththestudents.Ifalongreadingassignmentisgiven,instr
Tensofthousandsofthepoorestpart-timestudentsaretogetextramoneytohelppayuniversityfeesandmeetrisinglivingco
A、Bybuses.B、Byprivatecars.C、Byrail.D、Byair.C根据文中提到的“InChinatodaythemostcommonwayoftravelingisstillbyrail”,可
Whenyourparentsadviseyouto"getaneducation"inordertoraiseyourincome,theytellyouonlyhalfthetruth.Whattheyr
Theadvantagesanddisadvantagesofalargepopulationhavelongbeenasubjectofdiscussionamongeconomists.Ithasbeenargu
MessagetoyoungChineseinthe21stcenturyFundamentalSciencehasprovideduswithanincreasinglydetailedandaccurate
Modernmass-productionmethodslowerthecostofmakinggoods,andthusgiveusbettervalues.Atthesametime,Americaningenu
Youmightthinkalittleglobalwarmingisgoodforfarming.Longer,warmergrowingseasonsandmorecarbondioxide(CO2)—whatpl
随机试题
影响我国工业用地的区域因素不包括()
某化工厂内新建办公试验楼通风空调设备部件附件数据如表1-8所示,集中空调通风管道系统如图1-2所示。说明:1.本图为某化工厂试验办公楼的集中空调通风管道系统。图中标注尺寸标高以“m”计,其他均以“mm”计。2.集中通风空调系统的设备为分段组装式空
【背景资料】某建设项目由A公司施工总承包,A公司征得业主同意,把变电所及照明工程分包给B公司。分包合同约定,电力变压器;配电柜等设备由A公司采购;灯具、开关、插座、管材和电线电缆等由B公司采购。B公司项目部进场后,按公司的施工资源现状,编制了变电所及照明
下列票据无效的是()。
企业确定其目标市场涵盖战略主要有()。
下列哪些行为中致人重伤、伤残、死亡的,按故意伤害罪、故意杀人罪处罚?()
博物馆管理部门决定对全市的博物馆进行评选表彰。以往只评选一个最优秀的,今年准备打破惯例,按照自然类、艺术类、科技类等不同的类别分别评选。以下哪项假设最可能是上述评选制度改革隐含的前提?
A、 B、 C、 D、 B
电子数据处理系统(EDP)、管理信息系统(M1)、决策支持系统(DSS),一般来讲它们之间的关系应该是()。
在下列传输介质中,哪一种错误率最低______?
最新回复
(
0
)