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
The age-old riddle of why many women outlive men has been solved. It’s their pumping power, British researchers have found.
The age-old riddle of why many women outlive men has been solved. It’s their pumping power, British researchers have found.
admin
2012-07-05
38
问题
The age-old riddle of why many women outlive men has been solved. It’s their pumping power, British researchers have found.
The average male heart becomes weaker【C1】______age, and by the age of 70 its power to pump blood around the body could have【C2】______by up to a quarter of its youthful strength. Unlike men, women pump just as strongly at 70 as they do at 20. 【C3】______the same period there was no age-related【C4】______in the power of the female heart,【C5】______that the heart of a healthy 70-year-old woman could【C6】______almost as well as a 20-year-olds. The【C7】______difference between the sexes might【C8】______for why women live longer.
The good news is that men of any age can【C9】______the health of their heart simply by taking more【C10】______exercise. The results are based on the【C11】______of a two-year study of a cross-section (横截面) of the British population, which【C12】______the effects of aging on the cardiovascular (心血管的) system. David Goldspink, Professor at Liverpool John Moores University, examined more than 250 men and women between 18 and 80. None of the【C13】______had a weekly exercise routine and all were【C14】______to have low fitness levels, but were【C15】______healthy. Each of them【C16】______five hours of tests to measure their blood pressure and the performance of their heart while at【C17】______and while they exercised on a treadmill (跑步机).
The researchers found that the large arteries (动脉) in the body became【C18】______and less elastic (有弹性的) with age, causing increased blood pressure. Blood flow to the muscles and skin of the limbs was also found【C19】______to decrease. These changes were found to occur earlier in men,【C20】______women caught up soon after the menopause (更年期).
【C1】
选项
A、beyond
B、on
C、from
D、with
答案
D
解析
介词辨义题。第一段提到通常情况下,女性比男性长寿。此处说“一般情况下男性的心脏随着年龄增长而衰老”,with age意为“随着年龄的增长”,with“(表示伴随)与此同时,随着”符合文意。其余三个介 词均不能做此搭配,故排除。
转载请注明原文地址:https://kaotiyun.com/show/hn57777K
0
大学英语四级
相关试题推荐
A、AnEgyptian.B、ARoman.C、ABritish.D、AmannamedBlake.C事实题。本文介绍水泥是如何发明的。通过浏览选项可知本题问的是“这个人是淮”,明白这点后,听录音时就要在相应的选项旁做好标记。古埃及人
"Tear’emapart!""Killthefool!""Murderthereferee(裁判)!"Thesearecommonremarksonemayhearatvarioussportingevents
AcademicFreedomreferstotherightofteachersandresearchers,particularlyincollegesanduniversities,toinvestigatethei
AcademicFreedomreferstotherightofteachersandresearchers,particularlyincollegesanduniversities,toinvestigatethei
AcademicFreedomreferstotherightofteachersandresearchers,particularlyincollegesanduniversities,toinvestigatethei
TheBritisharenotsofamiliarwithdifferentculturesandotherwaysofdoingthings,____________(这种情况经常也存在)inothercountrie
OnemajorreasonforGermany’shighunemploymentandtheevidentweaknessofbusinessinvestmentisthenatureofthetaxsystem
A、Itwasanindependentcountry.B、ItbelongedtoIndia.C、ItwasoneoftheBritishcolonies.D、ItwasasmallislandinthePa
随机试题
用立钻钻一φ10mm的孔,选择的主轴转速为500r/min。求钻削时的切削速度。
如图3-84所示的结构,支座I处的水平反力为下列何值?[2005年第35题]
背景资料某承包商中标某高速公路机电系统。该高速公路的管理体制为二级。其中收费系统的收费视频监视子系统作为分项工程进行施工。该子系统的摄像机包括广场摄像机、车道摄像机、收费亭摄像机、金库摄像机、监控室摄像机,并配有监视器、视频切换控制矩阵、数字录像设备等。
保险组织的终止分为()形式
按照《税收征管法》的规定,下列关于税收强制执行与税收保全措施的表述中,正确的是( )。
某企业批量生产一种零件,投产批量为6件,经过4道工序加工,按照加工顺序,单件每道工序作业时间依次为20分钟、10分钟、25分钟、15分钟,假设零件移动用时为零。根据以上资料,回答下列问题:将一个批次的该种零件全部生产出来,工序间、搬运次数最多的零件移
下列数据特征的测度中,属于位置平均数的是()。
下列关于创新的论述中,正确的是()。
ISDN为了使通信网络内部的变化对终端用户是透明的,它必须提供一个标准的______。
有SQL语句:SELECTDISTINCT系号FROM教师WHERE工资>=ALL(SELECT工资FROM教师WHERE系号="02")与如上语句等价的SQL语句是
最新回复
(
0
)