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  3. It is difficult to imagine what life would be like without memory. The meanings of thousands of everyday perceptions, the bases【

It is difficult to imagine what life would be like without memory. The meanings of thousands of everyday perceptions, the bases【

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问题     It is difficult to imagine what life would be like without memory. The meanings of thousands of everyday perceptions, the bases【C1】______the decisions we make, and the roots of our habits and skills are to be【C2】______in our past experiences, which are brought into the present【C3】______memory.
    Memory can be defined as the capacity to keep【C4】______available for later use. It includes not only "remembering"thing like arithmetic or historical facts, but also any change in the way an animal typically behaves. Memory is【C5】______when a rat gives up eating grain because he has sniffed something suspicious in the grain pile. Memory is also involved when a six-year-old child learns to swing a baseball bat Memory【C6】______ not only in humans and animals but also in some physical objects and machines. Computers, for example, contain devices for storing data for later use. It is interesting to compare the memory-storage capacity of a computer【C7】______that of a human being. The instant-access memory of a large computer may hold up to 100, 000" words" ready for【C8】_____use. An average American teenager probably recognizes the meanings of about 100, 000 words of English. However, this is but a fraction of the total【C9】______of information which the teenager has stored. Consider, for example, the number of facts and places that the teenager can recognize on sight The use of words is the basis of the advanced problem-solving intelligence of human beings. A large part of a person’s memory is in terms of words and【C10】______of words.
【C9】
选项 A、deal
B、number
C、mount
D、amount
答案D
解析 本题是测试有关数量的词，所以应先排除C，因为该词的意思为“山，峰”。A项不适合，因为只有a great deal of…，没有该词与total搭配的用法。B项也不适合，因为尽管有the total number of…这一词组，但这只能用来表示可数名词；不能用来表示information这一类不可数名词。
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