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
As people continue to grow and age, our body systems continue to change. At a certain point in your life your body systems will
As people continue to grow and age, our body systems continue to change. At a certain point in your life your body systems will
admin
2014-03-31
67
问题
As people continue to grow and age, our body systems continue to change. At a certain point in your life your body systems will begin to weaken. Your strength may become weaker. It may become more difficult for you to see and hear. The slow change of aging causes our bodies to lose come of their ability to bounce back from disease and injury. In order to live longer, we have always tried to slow or stop this change that leads us toward the end of our lives.
Many factors decide your health. A good diet plays an important role. The amount and type of exercise you get is another factor. Your living condition is yet another. But scientists studying aging problem want to know: Why do people grow old? They hope that by studying the aging medical science they may be able to make the length of life longer.
There is nothing to be afraid of as old age comes. Many consider the later part of life to be the best time for living. Physical activity may become less. but often you get better understanding of yourself and the world.
What we consider old age now may only be middle age some day soon. Who knows, with so many advances in medical science happening so quickly, life span may one day be measured in centuries, rather than in years.
According to the passage,"span" means______.
选项
A、longevity
B、a length of time
C、a long period of time
D、a long distance from one place to another
答案
B
解析
span指一段时间或距离,在此指的是时间。
转载请注明原文地址:https://kaotiyun.com/show/jagK777K
本试题收录于:
大学英语三级B级题库大学英语三级分类
0
大学英语三级B级
大学英语三级
相关试题推荐
Thechildcannot______thepaincausedbythewound.
DearNancy,1st,AugustNowIamsendingyouacopyofthefin
A、Towriteraletter.B、Topostherletter.C、Toseeherbrother.D、Totelephoneherbrother.B男士问“你给哥哥写信了吗?”女士说:“是的,但我还没有寄出去。”由
Theytook______measurestopreventpoisonousgasesfromescaping.
Irishdance:TheIrishInternationalDanceCompany,oneofthemostdynamicdancetroupesintheworld,willtourChinawithits
Ihavefiveothercourses______Computer.
A、Cleanherhouse.B、Buyhersomeflowers.C、Waterherflowers.D、Goawaywithher.CSureIwill.=SureIwillwatertheflowers.
A、Sheshouldmakeacomplaint.B、Sheshouldwait.C、Shelosttheletter.D、Sheshouldnevertaketests.Btakes2weekstoreceiv
Thispartistotestyourabilitytodopracticalwriting.YouarerequiredtomakeanEnglishformofitbycompletingthetable
Friendsgiveeachother(emotion)______supportintimesoftrouble.
随机试题
先秦诸子的著作都不同程度地蕴含“民为邦本”的思想,其中提出“圣人无常心,以百姓心为心”的著作的是()
阴茎头较膨大,尿道突细长的家畜是
患者,女,32岁,乳房胀痛半年,经前加重,经后痛减;伴情绪抑郁,心烦易怒,失眠多梦,胸胁胀满;舌质淡红苔薄白,脉细涩。其证型是
A.平卧位,头偏向一侧B.平卧6~8小时C.15°~30°头高位D.高半坐卧位E.仰卧位全麻术后病人应采取的体位是
一般认为,基金起源于()。
费里德曼的货币需求函数强调的是()。
经营决策预算除个别项目外一般不纳入日常业务预算体系,同时也将影响现金预算等财务预算。( )
甲手机专卖店为增值税一般纳税人,2016年6月采取以1日换新方式销售某型号手机100部,该型号新手机的同期含税销售单价为3276元,旧手机的收购单价为234元。根据增值税法律制度的规定,甲手机专卖店当月该业务的增值税销项税额为()元。
汉代是中国历史上的重要时期。在这一时期,高度集权的“大一统”的政治体制基本形成,并且经历了多次社会动荡的历史考验而更为完备。秦文化、楚文化和齐鲁文化等有深厚历史基础的地域文化在这时实现了历史性的融合,形成了以统一的汉文化为标志的文化共同体。这一时期我们民族
以下关于软件测试的叙述中,不正确的是:()。
最新回复
(
0
)