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  3. Dr Richard Bergland, a brain researcher at the Harvard Medical School, has written a paper suggesting that human brain is basica

Dr Richard Bergland, a brain researcher at the Harvard Medical School, has written a paper suggesting that human brain is basica

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问题     Dr Richard Bergland, a brain researcher at the Harvard Medical School, has written a paper suggesting that human brain is basically a gland. Building on this view, Dr. Carmine Clemente, director of the Brain Research Institute at UCLA, has been looking into the secretions of the brain. He has estimated that there may be thousands of such secretions—all of which play a part in the functioning of the body.
    What to me is most fascinating of all about these secretions is that they are not locked away or completely removed from the conscious intelligence. It is true that the mind has no ongoing awareness of the numberless functions generated by the brain—the beating of the heart, the actions of the nerve cells, and the functions of all the glands. But the fact that we have no direct knowledge of these functions as they occur does not mean that they are barred from supervision over them. The significance of biofeedback—a term used to describe the ability of the mind to enter into the working of the body—is that human being may actually be able to exert increasing control over themselves and may be able play an important role in overcoming illnesses.
    Numerous medical reports now cite instances in which individuals have been able to direct their bodies in ways generally believed to be beyond the reach of the conscious intelligence. At the UCLA School of Medicine, I witnessed a demonstration which a man controlled his own heartbeat. He could speed it up or slow it almost to a stop merely by concentrating. Such a performance is not unknown in Eastern cultures, but it was startling, to say the least, to see such a demonstration in an American medical school, with a dozen or more physicians as fascinated observers of this use of biffed back. Patients are using biofeedback techniques at the Menninger Foundation in Topeka, Kansas and at other medical centers as a means of relieving their migraine(周期性偏头痛)headaches or lowering their blood pressure. The evidence is incontrovertible that medical changes take place in the body as a result of mental functions or moods.
In respect to the human brain, researchers in the U. S. have______.
选项 A、proved that it is virtually a gland
B、discovered thousands of secretions of it
C、been observing the secretions of it
D、suggested that it affects body functions
答案C
解析 文章第一段说到Dr．Richard Bergland发表了一篇论文，提出大脑是个腺体，但是并没有证明它事实就是，因此A不对。Dr．Carmine Clemente开始观察大脑的分泌物，并估计会有好几千这样的分泌物。因此B项“发现了好几千个分泌物”是不对的，文中仅仅是估计。D项“大脑会影响身体机能”，文中主要讲到大脑分泌物对身体机能的影响。只有C是正确的。
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