首页
登录
职称英语
[audioFiles]2018m4s/audio_ezfj_201804_125[/audioFiles]
[audioFiles]2018m4s/audio_ezfj_201804_125[/audioFiles]
游客
2023-10-28
45
管理
问题
选项
答案
Life Span
About a century ago, the average life span for Americans was about 50 years. /Today, the typical American lives for around seventy-eight years. /What accounts for such increased longevity? /Between 1900 and 1950, inventions such as refrigeration and sewage treatment meant that/young people were able to survive longer. /Moreover, medical breakthroughs helped contain diseases/such as some fatal ones that killed many children. /These advances helped increase the average life span. /This means that future medical breakthroughs will result in even longer average life span.
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3137885.html
相关试题推荐
[audioFiles]2018m4s/audio_ezfj_201804_121[/audioFiles]What
[audioFiles]2018m4s/audio_ezfj_201804_028[/audioFiles]TheFreeHugsCampaig
[audioFiles]2018m4s/audio_ezfj_201804_161[/audioFiles]AMi
[audioFiles]2018m4s/audio_ezfj_201804_020[/audioFiles]AIDSWhenAIDSfi
[audioFiles]2018m4s/audio_ezfj_201804_018[/audioFiles]Children’sHealth
[audioFiles]2018m4s/audio_ezfj_201804_017[/audioFiles]IdiomsAnidiomi
[audioFiles]2018m4s/audio_ezfj_201804_016[/audioFiles]ArtificialIntelligen
[audioFiles]2018m4s/audio_ezfj_201804_109[/audioFiles]T
[audioFiles]2018m4s/audio_ezfj_201804_149[/audioFiles]
[audioFiles]2018m4s/audio_ezfj_201804_177[/audioFiles]
随机试题
Whatisthepassagemainlyconcernedabout?[br][originaltext]Sleepisv
ThemainpurposeofEnglishessaywritingistointroduceyoutotheconventions
妊娠期孕妇泌尿系统变化,正确的是A.夜尿量少于日尿量 B.输尿管蠕动增加 C
A.HbA B.HbH和HbBarts C.HbF D.HbA E.Hb
目前,AAA级企业的信用等级系数的取值为( )。A.30% B.50%
为消除已发现的不合格所采取的措施是()。 A.报废B.让步C.纠正
()强调员工之间彼此关心、忠心敬业,关注企业的优良传统。A.家族式企业文化
某建筑物准备进行节能改造,目前有甲和乙两个方案可以实现节能目标,现在正在研究甲和
以职能分析工作为核心,研究和确定企业的职能结构,为设计企业的组织结构提供客观依据
银行结算账户一般分为()。A、基本存款账户 B、特殊存款账户 C、临时存款账
最新回复
(
0
)