2. 考研
  3. Working memory，or short-term memory，involves the ability to hold and use information in the immediate future． (31) is only

Working memory，or short-term memory，involves the ability to hold and use information in the immediate future． (31) is only

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问题 Working memory，or short-term memory，involves the ability to hold and use information in the immediate future．    (31)    is only held in working memory for about 20 seconds．The challenge that students    (32)    is to move information from their working memories into their long-term memories．If they don’t do this in about the first few minutes after receiving the information，that information Can be lost．To keep this newly learned material from    (33)    away，it needs to enter the network of the brain’s wiring．
    After repeated practice，working memories are set down as permanent neuronal(神经的)circuits    (34)    to be activated(激活)when the information is needed．When a memory has been recalled    (35)    ，its neuronal circuits are more highly developed because of their repeated activation．
        (36)    exercising a muscle，these circuits then become more efficient and easier to access and activate．Practice results    (37)    repeated stimulation of the memory circuit．Like hikers along a path    (38)    eventually leave a depression in the road，repeated practice stimulates cells in the memory circuit such that the circuit is reinforced and becomes    (39)    ．This means it can be quickly turned from off to on，and switched    (40)    through a variety of cues coming in from the senses．
(35)
选项 A、usually
B、often
C、well
D、soon
答案B
解析 考查句意和词汇。句子的意思是：当记忆被频繁唤醒，大脑的神经网络因为重复的活动，发展得更为高级。“频繁”由often来表示更恰当，经常使用more often的说法，usually的意思是“时常，经常”，放到这里不太合适。故本题选B。
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