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
专升本
How long can human beings live? Most scientists who study old age think that the human body is【C1】______to live no longer than 1
How long can human beings live? Most scientists who study old age think that the human body is【C1】______to live no longer than 1
admin
2019-06-28
29
问题
How long can human beings live? Most scientists who study old age think that the human body is【C1】______to live no longer than 120 years.【C2】______, 110 years is probably the longest that anyone could hope to live—if he or she is extremely healthy and lucky. Some scientists even say we can live as long as 130 years! Yet, our cells simply cannot continue to reproduce【C3】______They wear out, and as a result, we get old and eventually die.
Even though we can’ t live forever, we are living a【C4】______life than ever before. In 1900, the average American life span(寿命) was only 47 years, but today it is 75 years!
When does old age begin then? Sixty-five may be out-of-date as the dividing line between middle age and old age. After all, many older people don’t begin to experience physical and mental decline【C5】______after age 75.
People are living longer because more people survive childhood. Before modern medicine changed the laws of nature, many children died【C6】______common childhood disease. Now that the chances of dying【C7】______are much lower, the chances of living long are much higher due to better diets and health care.
On the whole, our population is getting older. The【C8】______in our population will have lasting effects on our social development and our way of life. Some people fear such changes will be for the worse,【C9】______some see chances, not disaster. Many men and women in their "golden years" are healthy, still active, and young in mind.
As the society grows old, we need the contributions of our older citizens.【C10】______long lives ahead of them, they need to stay active and devoted.
【C4】
选项
A、busier
B、longer
C、richer
D、happier
答案
B
解析
由句中的than一词可知,空处应用形容词的比较级形式。另外,根据下文提到的“美国人的平均寿命从47岁增长到了75岁”可知,此处应选longer。
转载请注明原文地址:https://kaotiyun.com/show/0PDC777K
本试题收录于:
英语题库普高专升本分类
0
英语
普高专升本
相关试题推荐
Accordingtosociologists,thereareseveraldifferentwaysinwhichapersonmaybecomerecognizedastheleaderofasocialgr
Formanypeopletoday,readingisnolongerrelaxation.Tokeepuptheirworktheymustreadletters,reports,tradepublication
Wefindthatbrightchildrenarerarelyheldbackbymixed-abilityteaching.Onthecontrary,boththeirknowledgeandexperienc
Wefindthatbrightchildrenarerarelyheldbackbymixed-abilityteaching.Onthecontrary,boththeirknowledgeandexperienc
Formanypeople,havingyourownbusinesssoundslikeaperfectjob.Youcandoworkthatyoulove.Youcansetyourownbusines
Afteryouhavefinishedreadingthebook,pleasejustputitback______itbelongs.
______isknowntoall,Englishisoneofthemostwidelyusedlanguagesininternationalcommunication.
Mostpeoplearoundtheworldareright-handed.Thisalsoseemstobetrueinhistory.In1799,scientistsstudiedworksofartm
Beforeanewairlinergoesintoservice,everypartofitistestedagainandagain.Buttherearetwoteststhataremoreimpor
IenteredSt.Thomas’sHospitalasamedicalstudentattheageof18andspentfiveyearsthere.Iwasanunsatisfactorystude
随机试题
HLA-I类抗原血清学分型主要应用的试验是
其诊断应该是颞颌关节真性强直的临床特点中哪项是错误的
外商投资举办的先进技术企业,在依照税法规定免征、减征期满后仍为先进技术企业的,可以按照税法规定的税率减半征收的延长期限为( )年。
下列关于三次产业特征的说法正确的有()。
以下关于劳动定员与劳动定额的说法错误的是()。
发达国家中冠心病的发病率大约是发展中国家的三倍。有人认为,这主要归咎于发达国家中人们的高脂肪、高蛋白、高热量的食物摄人。相对来说,发展中国家较少有人具备生这种“富贵病”的条件。其实,这种看法很难成立。因为,目前发达国家的人均寿命高于70岁,而发展中国家的
1885年12月,印度民族主义者代表大会在孟买召开,宣布了()的成立。
“以热爱祖国为荣、以危害祖国为耻”,就要
如果当前表的记录指针已经到达表尾,则EOF( )的返回值为
AccordingtoHalliday,languagehasthefollowingmetafunctionsEXCEPT______.
最新回复
(
0
)