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
A、Monkeys have a shorter life than other animals. B、People who eat less may enjoy a longer life. C、Humans are more likely to fal
A、Monkeys have a shorter life than other animals. B、People who eat less may enjoy a longer life. C、Humans are more likely to fal
admin
2014-09-30
33
问题
(20)A study of monkeys over a 20-year period suggests that eating less may extend life and prevent disease. American researchers said they believe their findings could apply to people as well. Richard and his team did the research. Half of the monkeys were permitted to eat as much as they wanted. The other half ate a controlled diet. They were fed 2/3 of the calories they would otherwise choose to eat. The researchers found that 37% of the monkeys that ate as much as they wanted had died of causes related to aging after 20 years. In comparison, only 13% of the monkeys on restricted diets had died. On average, monkeys live about 27 years in captivity, that is, when they live with humans and not in the wild. Richard says researchers do not know why reducing calories increases the length of life. But they believe there is a helpful change in the way the body processes energy in the monkeys that eat fewer calories. Extended life was not the only observable difference between the two groups. The monkeys that ate less had half the amount of heart disease and cancer. The study was paid for by the US National Institute on Aging.(21)Some critics say more research is needed to prove that calorie restriction extends life in monkeys. Richard says his study is not complete and that his team will continue to observe the remaining monkeys throughout their lives. Scientists first studied the effects of calorie restriction on aging in the 1930s. Since then, similar studies have shown life-extending effects of reduced diets on rodents(啮齿动物)and worms. Scientists are currently studying the effects of restricted diets on people.(22)However, this is more difficult because it is harder to control the diets of people and because they live longer than other animals.
20. What can we learn from the study?
21. What needs to be done according to some critics?
22. Why is it hard to study the effects of restricted diets on people?
选项
A、Monkeys have a shorter life than other animals.
B、People who eat less may enjoy a longer life.
C、Humans are more likely to fall ill.
D、Eating habit is decisive to one’s health.
答案
B
解析
短文开头提到研究者们通过对猴子的研究发现控制饮食会延长寿命,也有利于预防疾病,同时指出研究者们认为这一发现同样适用于人类。由此推断,控制饮食会使人类延长寿命。
转载请注明原文地址:https://jikaoti.com/ti/b6gFFFFM
0
大学英语六级
相关试题推荐
A、Halfofthemethaneintheatmosphereisfromanimals.B、Methanehasbecomethechiefsourceofgreenhousegas.C、Consumerbeh
A、Singersmaybecomeaddictedtoit.B、Ithelpssingerswarmthemselvesup.C、Singersuseittostayawayfromcolds.D、Itcand
Tounderstandwhyweshouldbeconcernedabouthowyoungpeopleread,ithelpstoknowsomethingaboutthewaytheabilitytore
TricksoftheTrade[A]Aschildren,wearetaughtthatworkinghardwillgetusgoodgrades.Whenitcomestoyourjob,thesam
Knowledgemaybeacquiredthroughconversation,watchingtelevisionortravelling,butthedeepestandmostconsistentwayisth
有钱消费的新兴中产阶层快速崛起、交通枢纽的改善、签证限制的逐渐减少以及有利的政府政策,所有这因素促成中国旅游业在国内外的繁荣。从2010年至2020年,中国旅游业有望以每年6个百分点的速度增长——全球最快的速度。这吸引了国外许多公司前来中国开设度假胜地(r
ThebesttimetoviewtheMonaLisa,accordingtoanewbookonthebesttimestodothings,isaroundnineo’clockonaSunday
HowtoBuildaWinningTeamWinningisaboutleadingyourpeople.Andaboutleadingtheminfourveryspecificways.If
A、Thelackofnationalacademicstandards.B、Thelackofsufficientfinancialsupport.C、Thelackofqualifiedteachers.D、Thel
A、Tokeepfit.B、Tostudywell.C、Toearnmoremoney.D、Togainesteem.A事实细节题。短文开头提到,新年伊始是制订塑身计划的好时候,努力做一个身材匀称、健康快乐的人。
随机试题
满足最终消费者的需求是零售商的()。
民族精神是一个民族在长期共同生活和社会实践中形成的,为本民族大多数成员所认同的价值取向、思维方式、道德规范、精神气质的总和。在五千多年的发展中,中华民族形成了伟大的民族精神。中华民族精神的核心是
如下哪项与类风湿性关节炎发病无关
患者男,72岁,下肢瘫痪,近期发现其骶尾部呈紫红色,皮下有硬结和水疱,该临床表现是压疮的
潜水作业前,应充分了解作业现场的(),严格按照潜水作业安全技术操作规程作业。
计划外风味餐主要是指旅游者在游览活动结束后进行的风味餐的品尝。()
Usingacomputerorsmartphoneatnightcancauseusto【C1】______onthepounds,newresearchhasrevealed.Thestudyfounda
Tensofthousandsofretireesarepullingupstakesinsuburbanareasandfashioningtheirownretirementcommunitiesinthehea
Walkingisagreatwaytogetinshapewithoutbreakingthebank(it’sfreeandyoucandoiteveryday).Butthereareotherbe
CreativeDestructionofHigherEducationA)Highereducationisoneofthegreatsuccessesofthewelfarecountry.Whatwasonce
最新回复
(
0
)