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  3. It is difficult to imagine what life would be like without memory. The meani

It is difficult to imagine what life would be like without memory. The meani

游客2024-02-18  34
问题     It is difficult to imagine what life would be like without memory. The meanings of thousands of everyday  perceptions, the bases for rite decisions we make, and the roots of our habits and skills are, to be found in our past experiences, which are brought into the present by memory.
    Memory can be defined as the capacity to keep information available for later use. It includes not only "remembering" things like arithmetic or historical facts but also involves any change in the way an animal typically behaves. Memory is involved 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 exists not only in humans and animals but also in some physical objects and machines. Computers, for example, contain devices of storing data for later use. It is interesting to compare the memory-storage capacity of a computer with that of a human being. The instant-access memory of a large computer may hold up to 100,000 "words" — ready for instant use. An average U.S. teenager probably recognizes the meaning of about 100,000 words of English. However, this is but a fraction of the total amount of information which the teenager has stored. Consider, for example, the number of faces 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 combinations of words. [br] The comparison made between the memory capacity of a large computer and that of a human being shows that______.
选项 A、the computer’s memory has a little bigger capacity than a teenager’s
B、the computer’s memory capacity is much smaller than all adult human being’s
C、the computer’s memory capacity is much smaller even than a teenager’s
D、bothAandB
答案 C
解析 细节题。本题问的是：将一台大型计算机的存储能力与人的记忆力作比较，显示出______。依据文章第3段从第4句直到段尾“The instant-access memory of a large computer may hold up to 100，000“words”—ready for instant use．An average U．S．teenager probably recognizes the meaning of about 100，000 words of English．However，this is but a fraction of the total amount of information which the teenager has stored．Consider，for example，the number of faces and places that the teenager can recognize on sight”可知，计算机在记忆词汇方面的能力与青少年不相上下，但除了词汇之外，青少年还可以记忆大量其他信息，比如人的面容和地点之类的东西，这是计算机不具备的能力。因此，计算机的记忆力不如一名青少年的记忆力强。故选 C。
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