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  3. One of the most important results of research into ageing has been to pinpoint the significance of short-term memory. This facul

One of the most important results of research into ageing has been to pinpoint the significance of short-term memory. This facul

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问题     One of the most important results of research into ageing has been to pinpoint the significance of short-term memory. This faculty is easily (1)_____ as ageing advances. What seems to (2)_____ is that in formation is received by the brain, (3)_____ scans it for meaning in order to decode it at some future time. It looks as if the actual (4)_____ of the short-term memory itself may not change too much (5)_____ age. A young man and a man in his late fifties may (6)_____ be able to remember and repeat a(n) (7)_____ of eight numbers recited to them. But what (8)_____ change is that when the older man is asked to re member anything (9)_____ between the time he is first given the numbers to memorise and the time he is asked to (10)_____ them, he will be much less likely to remember the (11)_____ numbers than the young man. This is because the scanning stage is more easily (12)_____ by other activities in (13)_____ people.
    In (14)_____ living one experiences this as a fairly minor (15)_____—a telephone number forgotten while one looks (16)_____ an area code, or the first part of (17)_____ street directions confused with the fast because the last ’turn lefts’ and’ turn rights’ have interfered (18)_____ remembering the first directions. In more formal learning, however, the (19)_____ of short-term memory is more than just a mild social embarrassment. It can be a serious bar to further (20)_____ or indeed to any progress at all.
选项 A、discovered
B、strengthened
C、displayed
D、disturbed
答案D
解析 上一句提到研究人体老化要重视短期记忆的重要性。空白前的"This faculty"指的就是短期记忆能力。如果没有根据全文大意的理解，仅仅根据上句，可能会误选discover、display两个带有积极含义的选项。其后的文意走向是：随着老化程度的发展，这种能力会受到负面影响。因此空白处应该填表示负面影响的词。"disturbed"意为"妨碍，扰乱"，符合中心，正确。"discovered"、"displayed"均没有影响的含义。而"strengthened"虽然表示影响，但却是正面影响，与文意相反。
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