首页
登录
职称英语
As people continue to grow and age, our body systems continue to change. At
As people continue to grow and age, our body systems continue to change. At
游客
2024-07-21
12
管理
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. [br] 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://tihaiku.com/zcyy/3686626.html
相关试题推荐
NEWYORK—ThepeopleatUNICEF’s(联合国国际儿童教育基金会的)OperationCenterhavebeenwo
Ifnoonehasany______(object),we’llcontinuetomovetoanotherissue.objec
Hedevotedhiswholelifeto(serve)______thepeople.serving本题考查词的用法。致力于,献身于:dev
Aresomepeoplebornclever,andothersbornstupid?Orisintelligencedevel
Thefirstparagraphtellsthat______.[br]InAmericansocietyyoungpeople___
Nowmanyyoungpeoplespendseveralhoursaday(talk)________onamobilephone
WhathappenedinAlgeriaTuesday?_____[br]Howmanypeoplewerekilledinthe
Doctorsbelievethatsecond-handsmokemaycauselungcancerinpeoplewho
Doctorsbelievethatsecond-handsmokemaycauselungcancerinpeoplewho
Nowmanyyoungpeoplespendseveralhoursaday(talk)______onamobilephone。(in
随机试题
Whyinanageofadvancedtechnology,shouldsomanypeoplestillclingtoa
[originaltext]Untilrecently,atomatowasjustatomato.[20]Butnowscient
黑格尔美学代表著作是()A.《诗学》 B.《诗艺》 C.《美学》 D.《
中国经济新常态背景下的机遇与挑战无疑给企业的生存与发展带来了新的课题,需要更加精
使交流电和直流电分别通过阻值相同的两个导体,如果在相同时间内产生的热量相同,那么
男性,43岁,近2个月来下腹疼痛,腹泻、大便为脓血便,排便后腹痛减轻,最可能的诊
按投资时间长短,无形资产投资属于( )。 A.短期投资 B.长期
20世纪30年代指导苏联国民教育改革和发展的纲领性文件是A.《教育人民委员关于国
疼痛是一种复杂的生理心理活动,是机体受到伤害性刺激后发出的一种保护性反应。疼痛可
A.红霉素 B.氨苄西林 C.青霉素 D.甲硝唑 E.万古霉素衣原体肺炎
最新回复
(
0
)