【单选题】
Directions: There are 10 blanks in the following passage. For each numbered blank, there are 4 choices markedA,B,C、andD、
Memory can be defined as the capacity to keep {{U}} (54) {{/U}} available for later use. It includes not only "remembering" things like arithmetic or historical facts, but also any change in the way an animal typically behaves. Memory is {{U}} (55) {{/U}} 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 {{U}} (56) {{/U}} 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 {{U}} (57) {{/U}} that of a human being. The in stant-access memory of a large computer may hold up to 100 000 "words" —ready for {{U}} (58) {{/U}} use.An averageAmerican teenager probably recognizes the meanings of about 100 000 words ofEnglish. However, this is but a fraction of the total {{U}} (59) {{/U}} 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 {{U}} (60) {{/U}} of words.
B．appears
C．affects
D．seems
网考网参考答案：A
网考网解析：
exist后面可以和介词in相连；appear多和介词from相连；affect应该直接加宾语；seem后面不能直接加介词in，所以A为正确答案。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>
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