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  3. It is not the "someday I will win the lottery" kind of daydream, but the kind that taps into the hidden, part of your brain. Tha

It is not the "someday I will win the lottery" kind of daydream, but the kind that taps into the hidden, part of your brain. Tha

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问题     It is not the "someday I will win the lottery" kind of daydream, but the kind that taps into the hidden, part of your brain. That is the kind that comes out only in the still of the【C1】______. These are the dreams that can overtake you. They can cause you to sweat at night. And even when they【C2】______as consciousness looms, they can【C3】______a spell on your day.
    People have【C4】______about dreams for thousands of years since we find【C5】______humans drew pictures on the walls of caves. Because dreams could not be controlled, they were attributed【C6】______the gods. Shakespeare used dreams【C7】______a dramatic device. Remember the sleepwalking Lady Macbeth who rubbed her hands【C8】______in an effort to cleanse the blood from her hands. "Out!" she cried, "damned spot!" However, it was not until Sigmund Freud who came up with what is now【C9】______of as a highly flawed theory that we know dreams represent potential【C10】______that analyzing dreams became an【C11】______area of study.
    Not much changed since Freud. Researchers are unlocking the【C12】______meaning of dreams. A century after Sigmund Freud【C13】______the field of dream analysis, scientists are only now decoding the biology of how we manufacture【C14】______. At the Sleep Neuroimaging Research Program at the University of Pittsburgh Medical Center, researcher Eric Nofzinger, researches into the【C15】______of sleeping subjects using PET scans normally employed to【C16】______various kinds of cancers. By injecting subjects【C17】______mildly radioactive glucose (葡萄糖 ), he has traced the【C18】______of dreams to a primitive part of the brain that controls emotions. "That is why so many dreams are【C19】______events," says Nofzinger, "where we are running from danger or【C20】______an anxious situation. "
【C15】
选项 A、brains
B、minds
C、behaviors
D、benefits
答案A
解析 名词辨义。根据句意可知，科学家用PET扫描系统深入研究睡着的实验对象的大脑以便了解梦境，所以选A)brains。
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