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

游客2025-03-01 32

问题 It is difficult to imagine what life would be like without memory. The meanings of thousands of everyday perceptions, the bases for the 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 involving 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 for 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 an adult human being’ s
C、the computer’s memory capacity is much smaller even than a teenager’ s
D、both A and B

答案 C

解析细节题。根据第三段可知，计算机可以存储十万个单词，而一个普通的美国青少年大概能记住十万个英文单词的意思，但这只是他大脑存储信息总量的一小部分，所以选项C(计算机的存储能力远不及一个青少年)符合原文意思，同时可以排除选项A(计算机的存储量比一个青少年的大一点点)和选项D。选项B(计算机的存储能力远不及一个成年人的记忆)文中并未涉及和比较。故本题选C。

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