11.Why do men die earlier than women?The latest research makes it known that the reason could be that men's hearts go into rapid decline when they reach middle age.
The largest study of the effects of ageing on the heart has found that women's longevity may be linked to the fact that their hearts do not lose their pumping power with age.
"We have found that the power of the male heart falls by 20-25percent between 18and 70years of age,"said the head of the study,David Goldspink of Liverpool John Moores University in the UK.
"Within the heart there are millions of cells that enable it to beat.Between the age of 20and 70,one-third of those cells die and are not replaced in men,"said Goldspink."This is part of the ageing process."
What surprises scientists is that the female heart sees very little loss of these cells.A healthy 70-year-old woman's heart could perform almost as well as a 20-year-old one's.
"This gender difference might just explain why women live longer than men,"said Goldspink.They studied more than 250healthy men and women between the ages of 18and 80,focusing on healthy persons to remove the confusing influence of disease."The team has yet to find why ageing takes a greater loss on the male heart,"said Goldspink.
The good news is that men can improve the health of their heart with regular exercise.Goldspink stressed that women also need regular exercise to prevent their leg muscles becoming smaller and weaker as they age.
1.The underlined word"longevity"in the second paragraph probably refers to"B".
A.health
B.long life
C.a(chǎn)geing
D.effect
2.The text mainly talks aboutD.
A.men's heart cells
B.women's ageing process
C.the gender difference
D.hearts and long life
3.http://www./according to the text,the UK scientists have known thatC.
A.women have more cells than men when they are born
B.women can replace the cells that enable the heart to beat
C.the female heart loses few of the cells with age
D.women never lose their pumping power with age
4.If you want to live longer,you shouldC.
A.enable your heart to beat much faster
B.find out the reason for ageing
C.exercise regularly to keep your heart healthy
D.prevent your cells from being lost
5.We can know from the passage thatB.
A.the reason why ageing takes a greater loss on the male heart has been found out
B.scientists are on the way to finding out why the male heart loses more of the cells
C.the team has done something to prevent the male from suffering the greater loss
D.women over 70could lose more heart cells than those at the age of 20.
分析 為什么男人不如女人長壽?最新的研究表明,男人的心臟在中年時會迅速衰退.本文主要介紹了女性比男性長壽的原因主要是基因問題,還有男性可以通過鍛煉來延長自己的壽命.
解答 1.B 詞義猜測題.根據(jù)第一段的 Why do men die earlier than women為什么男人比女人早死?及第二段The largest study of the effects of ageing on the heart has found that women's longevity may be linked to the fact that their hearts do not lose their pumping power with age.關(guān)于衰老對心臟影響的最大研究已經(jīng)發(fā)現(xiàn),女人的 longevity可能與她們的心臟不會隨著年齡的增長而失去泵送能力有關(guān),可知 longevity意為"長壽",故選 B.
2.D 主旨大意題.根據(jù)第一段的…the reason could be that men's hearts go into rapiddecline when they reach middle age 原因可能是男人的心臟在中年時迅速衰退,和第 二 段中的women's longevity may be linked to the fact that their hearts do not lose theirpumping power with age 女人的長壽可能與她們的心臟不會隨著年齡的增長而失去泵送能力有關(guān),及全文內(nèi)容可知,本文主要探討的是心臟與長壽的關(guān)系,故選 D.
3.C 細節(jié)理解題.根據(jù)第五段的 What surprises scientists is that the female heartsees very little loss of these cells 科學(xué)家們感到驚訝的是,女性心臟很少失去這些細胞.可知,女性心臟隨著年齡的增長失去了很少的細胞.故選 C.
4.C 細節(jié)理解題.根據(jù)最后一段的 The good news is that men can improve the health oftheir heart with regular exercise 好消息是男人可以通過經(jīng)常鍛煉來改善他們的心臟健康及文章主題可知,如果想長壽就應(yīng)該經(jīng)常鍛煉以保持心臟健康,故選 C.
5.B 推理判斷題.根據(jù)倒數(shù)第二段的 The team has yet to find why ageing takes a greaterloss on the male heart 這個團隊還沒有發(fā)現(xiàn)為什么衰老會給男性心臟帶來更大的損失,可推知,科學(xué)家正在尋找為什么男性心臟喪失更多細胞的原因,故選B.
點評 本文是科教類閱讀,主要考查細節(jié)理解題和推理判斷題.在做細節(jié)理解題時,首先根據(jù)題目要求迅速在文章里找出相應(yīng)的段落、句子或短語.認真比較選項和文中細節(jié)的區(qū)別,在做推理判斷題時不要以個人的主觀想象代替文章的事實,要根據(jù)文章事實進行合乎邏輯的推理判斷.