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A．Because both defraud the innocent public.B．Because they are for the same interest.C．
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A．The U.S. top officials are absolutely responsible for the conspiracy.B．People in no
听力原文： A recent study reveals higher education tends to speed up mental decline and leave elderly people at a loss for words.
Participants in the study were all more than 70 years old. They were tested up to four times between 1993 and 2000 on their ability to remember 10 common words read aloud to them. The most educated test subjects were found to experience a steeper decline during the years in remembering the list.
Individuals with a better education seem to have a higher starting point in their word memory, and so may initially remember more total words than their less educated peers.
The more education one has, the more words one will know to begin with. It appears the more you know, the more you have to lose.
The explanation for the faster decline of more educated individuals could possibly be they were unable to access memory tricks they once relied on to help them remember things. For a while, these strategies can help them compensate, but as they get older, their brains become overwhelmed and they can no longer use those strategies.
Because the study didn't follow people across their entire life spans, there could be other unseen factors. For example, those with less education may start their cognitive decline earlier.
The possibly protective nature against conditions like dementia could be due to a correlation between higher education and generally higher living standards, like access to better health care and better eating habits. The things that make a healthy body make a healthy mind.
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A．Elderly people with poor education cannot read the words and so forget soon.B．Elderl
Section B
Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You should decide on the best choice.
Joyce Carol Oates published her first collection of short stories, By The North Gate, in 1963, two years after she had received her master's degree from the University of Wisconsin and become an instructor of English at the University of Detroit. Her productivity since then has been prodigious, accumulating in less than two decades to nearly thirty titles, including novels, collections of short stories and verses, plays, and literary criticism. In the meantime, she has continued to teach, moving in 1967 from the University of Detroit to the University of verses, in Ontario, and, in 1978, to Princeton University. Reviewers have admired her enormous energy, but find a productivity of such magnitude difficult to assess.
In a period characterized by the abandonment of so much of the realistic tradition by authors such as John Barth, Donald Barthelme, and Thomas Pynchon, Joyce Carol Oates has seemed at times determinedly old fashioned in her insistence on the essentially mimetic quality of her fiction. Hers is a world of violence, insanity, fractured love, and hopeless loneliness. Although some of it appears to come from her own direct observations, her dreams, and her fears, much more is clearly from the experiences of others. Her first novel, With Shuddering FaU(1964), dealt with stock car racing, though she had never seen a race. In Them (1969) she focused on Detroit from the Depression through the riots of 1967, drawing much of her material from the deep impression made on her by the problems of one of her students. Whatever the source and however shocking the events or the motivations, however, her fictive world remains strikingly akin to that real one reflected in the daily newspapers, the television, news, and talk shows, and the popular magazines of our day.
What is the main purpose of the passage？
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