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
Life Expectancy in the Last Hundred Years A hundred years ago,life expectancy in developed countries was about 47; in the ea
Life Expectancy in the Last Hundred Years A hundred years ago,life expectancy in developed countries was about 47; in the ea
admin
2015-07-06
33
问题
Life Expectancy in the Last Hundred Years
A hundred years ago,life expectancy in developed countries was about 47; in the early 21st century, men in the United States and the United Kingdom can expect to live to about 74, women to about 80, and these【C1】______are rising all the time. What has brought【C2】______ these changes? When we look at the life【C3】______of people 100 years ago, we need to look at the greatest【C4】______of the time. In the early 20th century, these were the acute and often【C5】______infectious diseases such as smallpox. Many children died very young from these diseases and others, and the weak and elderly were always at risk.
In the【C6】______world these diseases are far【C7】______today, and in some cases have almost disappeared. A number of【C8】______have led to this: improvements in sanitation and hygiene, the discovery and use of antibiotics, which【C9】______bacterial diseases much less dangerous, and vaccinations 【C10】______common diseases. 【C11】______, people’s general health has improved with improvements in our general environment: cleaner air, better means of preserving food, better and warmer housing, and better understanding of nutrition.
Genetically ,we should all be able to live to about 85 but【C12】______people do live longer today, there are still some big killers around that are preventing us from consistently reaching that age. The problems that affect people today are the more chronic illnesses, such as heart disease and strokes, and those【C13】______by viruses, such as influenza and AIDS. Of course, cancer is a huge killer as well. In most cases these diseases affect【C14】______people, but there are worrying trends in the developed world with problems such as obesity【C15】______more heart disease and illnesses such as diabetes at younger ages.
The killers today can be classed as "lifestyle diseases" ,which means that it may be possible to halt their progress.
【C4】
选项
A、people
B、killers
C、invention
D、nation
答案
B
解析
从下一句可以看出此处应指那些不治之症。
转载请注明原文地址:https://jikaoti.com/ti/88OsFFFM
本试题收录于:
职称英语卫生类A级题库职称英语分类
0
职称英语卫生类A级
职称英语
相关试题推荐
TheUSspendstwiceasmuchonhealthcareasotherrichcountries.Theotherfourcountriesprovidebetterhealthcarethanth
TheUSspendstwiceasmuchonhealthcareasotherrichcountries.Themoreacountryspendsonhealthcare,thebettercarei
TheUSspendstwiceasmuchonhealthcareasotherrichcountries.TheUSistheplacewherepeoplegetthebesthealthcare.
TheattackonFortSumternearCharlestonprovokedasharpresponsefromtheNorth,whichledtotheAmericanCivilWar.
SomeSundaynewspapersmaybelongtothesamepublishingcompanybutarenoteditedbythesamegroupofpeople.Manyboysand
SomeSundaynewspapersmaybelongtothesamepublishingcompanybutarenoteditedbythesamegroupofpeople.Themostsucce
AWhatCouldBeDonewithMoreMoneyBEstablishmentoftheAmericanCancerSocietyCSignificanceofFundedResearchDOthe
Hundredsofyearsagocloveswereusedtoremedyheadaches.
WhichistrueofmanyAIDSsufferersindevelopingcountries?HowmanypeoplehavediedofAIDSsofar?
随机试题
锯齿形牙嵌离合器可以传递双向转矩。()
心梗行肝素抗凝治疗时,下列哪项措施是错误的
下列关于腐蚀性食管灼伤的叙述,正确的是()
老年心力衰竭患者症状加重最常见的诱因是
我国能源“十一五”发展规划确定的建设重点有()。
只有执行了审慎的贷款分类制度,才能计提充足的贷款损失准备金。()
不断提高经理人员的工资和奖金,使之分享企业增加的财富,他们就会和股东的目标保持一致。()
要约和承诺是()要经过的两个主要步骤。
公众对于高校去行政化推进艰难的_______,与对中大学生会任命干部官僚化做法的普遍反感,形成了强烈的对比。这种反差,真实而具体地体现了国人对于后代教育的重视程度:一些不合理之事,强加于大人们可以,污染年轻的孩子们不行。正是这种全社会对于教育应该保存和追求
设A=(α1,α2,α3)为三阶矩阵,且|A|=3,则|α1+2α2,α2-3α3,α3+2α1|=_______.
最新回复
(
0
)