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2014年職稱英語《衛(wèi)生類A級》真題及答案(匯總)
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More about Alzheimer's Disease
Scientists 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 ________ (51) is at risk of getting this neurological disorder.
The only current means of ________ (52) the disease in a living patient is a long and expensive series of tests that eliminate every other cause of dementia.(癡呆)
“ Since Alois Alzheimer described the ________ (53) nearly a century ago，people have been trying to find a way to ________ (54) diagnose it in its early stages2，” said Patricia Grady，acting director3 of the National Institute of Neurological Disorders and Stroke in Bethesda, Maryland. "This discovery, if ________ (55) , could prove a big step forward in our efforts to deal with and understand the disease. ”
Alzheimer's is the single greatest ________ (56) of mental deterioration in older people, affecting between 2. 5 million and 4 million people in the United States ________ (57). The devastating disorder gradually destroys memory and the ability to function，and eventually causes death.6 There is currently no known _______ (58) for the disease.
Researches ________ (59) that the skin cells of Alzheimer' s patients have defects that interfere with their ability to regulate the flow of potassium in and out of the cells. The fact that the cell defects are present in the skin suggests that7 Alzheimer's ________ (60) from physiological changes throughout the body，and that dementia may be the first noticeable effect of these changes as the defects ________ (61) the cells in the brain, scientists said.
The flow of potassium is especially ________ (62) in cells responsible ________ (63) memory formation8. The scientists also found two other defects that affect the cells' supply of calcium, another critical element.
One test developed by researches calls for9 growing skin cells in a laboratory culture and then testing them with an electrical detector to determine if the microscopic tunnels that ________ (64) the flow of potassium are open. Open potassium channels create a unique electrical signature.
A spokesman for the Alzheimer's Association said that if the validity of the diagnostic test can be proven it would be an important ________ (65) , but cautioned that other promising tests for Alzheimer's have been disappointing.
51. A. what B. one C. it D. who
52. A. fighting B. carrying C. transmitting D. diagnosing
53. A. answer B. effect C. disease D. study
54. A. slowly B. accurately C. newly D. incorrectly
55. A. designed B. announced C. confirmed D. reported
56. A. cause B. factor C. focus D. exception
57. A. finally B. lonely C. yet D. alone
58. A. examination B. evidence C. treatment D. fact
59. A. discovered B. predicted C. expected D. warned
60. A. keeps B. breaks C. results D. translates
61. A. affect B. remove C. collect D. form
62. A. steady B. natural C. continuous D. critical
63. A. at B. out C. for D. of
64. A. start B. get C. follow D. govern
65. A. chance B. concept C. development D. decision
答案：
51-55：DDCBC
56-60：CDCAC
61-65：ADCDC
