職稱英語真題及答案：衛(wèi)生A(完型填空)

1、職稱英語真題及答案：衛(wèi)生A( 完型填空 )More about Alzheimer s DiseaseScientists have developed skin tests that may be used in the future to identify people with Alzheimer s disease1 and may ultimately allow physicians to predict who is at risk of getting this neurological disorder. The only current means of diagnosin

2、g the disease in a living patient is a long and expensive series of tests that eliminate every other cause of dementia.“ Since Alois Alzheimer described the disease nearly a century ago， people have been trying to find a way to accurately diagnose it in its early stages2 ，” said Patricia Grady，actin

3、g director3 of the National Institute of Neurological Disorders and Strokein Bethesda, Maryland.“ This discovery, if confirmed, could prove a big stewpafrodrin our efforts to deal with and understand the disease.”Alzheimer iss the single greatest cause of mental deterioration in older people, affect

4、ing between 2. 5 million and 4 million people in the United States alone. The devastating disorder gradually destroys memory and the ability to function ， and eventually causes death.6 There is currently no known treatment for the disease.Researches discovered that the skin cells of Alzheimer s pati

5、ents hav interfere with their ability to regulate the flow of potassium in and out of the cells. Thefact that the cell defects are present in the skin suggests that7 Alzheimer physiological changes throughout the body ， and that dementia may be the firstnoticeable effect of these changes as the defe

6、cts affect the cells in the brain, scientistssaid.The flowof potassium is especially criticalin cells responsible formemory formation8. The scientists also found two other defects that affect the cellscalcium, another critical element.One test developed by researches calls for9 growing skin cells in

7、 a laboratory culture and then testing them with an electrical detector to determine if the microscopic tunnels that govern the flow of potassium are open. Open potassium channels create a unique electrical signature.A spokesman for the Alzheimer Asssociation said that if the validity of thediagnost

8、ic test can be proven it would be an important development, but cautioned thatother promising tests for Alzheimer s have been disappointing.10詞匯：neurological /inju9r9 lDd3i神k9經(jīng)l/ a病dj. 學的dementia /di 丨 menjis/ n. 癡 呆 deterioration /d iom reijan/ n. 惡 化 ， 退 化devastating / devosteitiB破/壞adj.性極大的，毀滅性的

9、defect / di，ifedkitfekt / n. 缺損，毛病 physiological /丨 fizio丨lt)d3ikal/ adj. 生理的 ; 生理學的 potassium /ps taesio鐘m/ n. formation /fo: me形ijs成n/，n.組成calcium / kaelsism考/ 丐n.microscopic / 丨 maikrs 丨 skDpik / adj. 極小的， 微小的 一signature / signitj9(r) 只/n另. i !J 標志;署名，簽名，簽字 validity /vs lid效st力i/ n，.注釋：有效 (性)1. t

10、o identify people with Alzheimer老s性d癡ise呆ase ;識別患早老性癡呆的人 ;Alzheimer s dise早ase:2. in its early stages：在它的早期階段3. acting director：執(zhí)行主任4. the singly greatest cause：的重要原因5. in the United States alone：僅在美國6. The devastating disorder gradually destroys memory and the ability to function,and eventually cau

11、ses death這.致死亡。種毀滅性的疾病逐漸破壞記憶和行動的能力，最終導7. The fact that. suggests that.：. 事實表明 ，8. cells responsible for memory formation：對記憶的形成至關重要的細胞9. call for ：要求10. . butcautioned that other promisingtests forAlzheimerhsave been disappointing. 但提醒人們其他有關早老性癡呆癥的試驗曾經(jīng)也頗有吸引力，結(jié)果卻令人失望。詞匯：impairment/jim peQmsnnt/. 損 傷

12、community/ko mjuiniti/ n. 社 區(qū) ， 社 會magnifier/ maegnifai3(r) / ti. 方夂大鏡 cane /kein/ n.手杖，藤 Braille /breil/ n. 盲文譯文：早老性癡呆研究的新進展科學家們發(fā)現(xiàn)，采用皮膚化驗的方法可以判斷病人是否患有早老性癡呆癥， 并且最終有助于醫(yī)生預測哪些人有患上這種神經(jīng)功能紊亂性疾病的危險。要診斷一個病人是否患有這類疾病，目前的方法是進行一系列長期而昂貴的測試，以排除 導致癡呆的其他病因?！白詮陌逡了拱柎暮Ｄ涊d了這一病癥以后，近一百年來人們一直在努力尋找能夠在早 期階段就精確地診斷出這種疾病的方法，

13、”馬里蘭州貝色斯達神經(jīng)紊亂與中風國家研究院執(zhí)行主任Patricia Grady 如是說?！斑@個發(fā)現(xiàn)如果得到證實，將會意味著我們在治療和了解這種病癥方面前進了一大步。 ”早老性癡呆是導致老年人大腦功能退化的的重要原因。僅在美國， 就有約 250萬到 400 萬 人患有這種疾病。這種毀滅性的疾病會逐漸破壞記憶和行動的能力， 并最終導致死亡。目前仍然沒有辦法治愈這種病癥。研究者發(fā)現(xiàn)早老性癡呆癥患者的皮膚細胞有缺損。這種缺損會影響人體對出 入于細胞的鉀的流量的調(diào)控?？茖W家認為皮膚細胞有缺損這個事實表明，早老 性癡呆是由人體全身的生理變化引起的，并且大腦細胞受損帶來的變化所產(chǎn)生的最為明顯的后果就是癡呆。鉀的流量對于與記憶密切相關的細