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  3. As the baby-boomer generation contemplates the prospect of the Zimmer frame there has never been more interest in delaying the p

As the baby-boomer generation contemplates the prospect of the Zimmer frame there has never been more interest in delaying the p

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问题     As the baby-boomer generation contemplates the prospect of the Zimmer frame there has never been more interest in delaying the process of ageing. One consequence has been a(n) 【B1】______rise in the popularity of brain-training games. But how 【B2】______ really is a daily dose of cryptic crossword?
    Robert Wilson, a neuropsychologist at Rush University in Chicago, and his colleagues decided to【B3】______out, 【B4】______following a group of people without dementia. Participants were asked to【B5】______how frequently they engaged in cognitively【B6】______activities. The researchers were looking for such things as reading newspapers, books and magazines, 【B7】______ challenging games like chess, listening to the radio and watching television, and 【B8】______ museums.
    The good news, as they report in Neurology, is that【B9】______activity of this sort seems to slow the rate of【B10】______decline in those without cognitive【B11】______. The bad news is that in those who do then develop Alzheimer’ s disease it is associated with a more rapid【B12】______decline.
    What seems to be happening is that cognitive stimulation helps【B13】______the effect of theneurodegenerative lesions associated with dementia. It does not,【B14】______, make them go away. They continue to【B15】______, so that when the disease does eventually take【B16】______there are more of them around than there otherwise would be, which results in a more【B17】______cognitive fall off. That is not a message of despair, 【B18】______, because the length of time someone suffers from dementia is thus 【B19】______ and their healthy life prolonged. So the message is,【B20】______on with the crosswords.
【B2】
选项 A、effective
B、affective
C、efficient
D、constructive
答案A
解析 考查形容词辨析。空格处所在句意为：不过一天一张字谜游戏到底有多大的______呢?前文阐述了大脑训练游戏迅速兴起，后文介绍了针对游戏效果的实验。据此推知，空格处应该是对于游戏的效果表示怀疑。A．effective“有效的，起作用的”，符合文意，为最佳选项。affective“情感的”；efficient“有效率的”；constructive“建设性的”，均不符合题意。
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考研英语一

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