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发布时间：2006-06-23 16:28     点击：

　　[ B ] how to make people live longer

　　[ C ] the size of certain people ' s brains

　　[ D ] which people are most intelligent

　　47. On what are their research findings based?

　　[A] A survey of farmers in northern Japan.

　　[ B ] Tests performed on a thousand old people.

　　[ C ] The study of brain volumes of different people.

　　[ D] The latest development of computer technology.

　　48. The doctor ' s tests show that _________.

　　[ A ] our brains shrink as we grow older

　　[B] the front section of the brain does not shrink

　　[ C ] sixty-year-olds have better brains than thirty-year-olds

　　[ D ] some people ' s brains have contracted more than other people ' s

　　49. The word "subjects" in paragraph 5 means_________.

　　[ A ] something to be considered

　　[ B ] branches of knowledge studied

　　[ C ] persons chosen to be studied in an experiment

　　[ D ] any member of a state except the supreme ruler

　　50. According to the passage, which people seem to age slower than the others?

　　[A] Lawyers. [B] Farmers.

　　[C] Clerks. [D] Shop assistants.

　　Text 2

　　Television has changed the lifestyle of people in every industrialized country in the world. In the United States, where sociologists have studied the effects, some interesting observations have been made.

　　Television, although not essential, has become an important part of most people' s lives. It alters people' s ways of seeing the world; in many ways, it supports arid sustains (维持) modern life.

　　Television in America today remains, to a large extent, with the same organization and standards as it had thirty years ago. The hope for further development and true achievement toward improving society will require a change in the entire system.

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