14．Tu Youyou has become the first Chinese woman to win a Nobel Prize，for her work in helping to create an anti-malaria（瘧疾） medicine．The 84-year-old's route to the honour has been anything but traditional．In China，she is being called the"three nos"winner：no medical degree，no doctorate，and she's never worked overseas．
In 1967，malaria，a then deadly disease，spread by mosquitoes was decimating Chinese soldiers fighting Americans in the jungles of northern Vietnam．A secret research unit"Mission 523"was formed to find a cure for the illness．Two years later，Tu Youyou was instructed to become the new head of"Mission 523"．
"Mission523"read ancient books carefully for a long time to find historical methods of fighting malaria．When she started her search for an anti-malarial drug，more than 240，000compounds（化合物） around the world had already been tested，without any success．Finally，the team found a brief reference to one substance，sweet wormwood（青蒿），which had been used to treat malaria in China around 400AD．The team took out one active compound in wormwood，and then tested it．But nothing was effective until Tu Youyou returned to the original ancient text．After another careful reading，she changed the drug recipe one final time，heating the compound without allowing it to reach boiling point．
After the drug showed promising results in mice and monkeys，Tu Youyou volunteered to be the first human recipient of the new drug．"
In any case，Tu Youyou is consistently praised for her drive and passion．One former colleague．Lianda Li，says Ms Tu is"unsociable and quite straightforward"，adding that"if she disagrees with something，she will say it．"
Another colleague，F(xiàn)uming Liao，who has worked with Tu Youyou for more than 40years，describes her as a"tough and stubborn woman"．Stubborn enough to spend decades piecing together ancient texts，she applies them to modern scientific practices．The result has saved millions of lives．
52．According to Para．I，we can learn thatC．
A．Tu is the first woman to win a Nobel Prize
B．Tu has a medical degree
C．Tu's road to success is not traditional
D．Tu discovered a cure for malaria
53． The underlined word"decimating"can be replaced byB．
A．encouraging B．killing
C．a(chǎn)nnoying D．benefiting
54． Which of the following statements is true？D
A．Tu first invented the idea of using sweet wormwood as a cure．
B．Tu was inspired by medical textbooks published in northern vietnem．
C．The compound needs to be heated to the boiling point to be effective．
D．Over 240，000compounds were proved ineffective before Tu's seareh．
55．Tu Youyou can be best described as aA person．
A．devoted and stubborn
B．straightforward and mean
C．considerate and tough
D．sociable and generous．
分析 本文介紹了中國第一個諾貝爾醫(yī)學(xué)獎獲得者屠呦呦并講述了她利用青蒿素治療瘧疾的研究過程以及周圍的人對她的評價．
解答 52．C 細(xì)節(jié)理解題．根據(jù)本段第二句The 84-year-old's route to the honour has been anything but traditional．句中的"anything but"意為"絕不…"，可知屠呦呦的成功之路和傳統(tǒng)的成功之路完全不一樣．故C正確．
53．B 猜測詞義題．根據(jù)句中a then deadly disease可知當(dāng)時瘧疾是一種致命的疾病，這種并可以導(dǎo)致人死亡．所以本句In 1967，malaria，a then deadly disease，spread by mosquitoes was decimating Chinese soldiers fighting Americans in the jungles of northern Vietnam．中的下劃詞意為"killing"，指這種疾病正在殺死在越南作戰(zhàn)的中國士兵．故B正確．
54．D 細(xì)節(jié)理解題．根據(jù)第三段第二句When she started her search for an anti-malarial drug，more than 240，000 compounds（化合物） around the world had already been tested，without any success．屠呦呦實驗了二十四萬多種化合物，但是都沒有成功．結(jié)果證明這些化合物對于瘧疾這種病是無效的．故D正確．
55．A 推理判斷題．根據(jù)文章倒數(shù)第二句Stubborn enough to spend decades piecing together ancient texts，she applies them to modern scientific practices．可知屠呦呦性格很固執(zhí)，固執(zhí)地研究了幾十年的古代典籍．根據(jù)第三段第二句When she started her search for an anti-malarial drug，more than 240，000 compounds（化合物） around the world had already been tested，without any success．屠呦呦實驗了二十四萬多種化合物，這說明她很努力認(rèn)真，對于自己的研究項目很投入．故A正確．
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