| The field of medicine has always
attracted its share of quacks and charlatans — disrepu-table women and men with
little or no medical knowledge who promise quick cures at cheap prices. The
reasons why quackery thrives even in modem times are easy to find. To begin with, pain seems to be a chronic human condition. A person whose body or mind "hurts" will often pay any amount of money for the promise of relief. Second, even the best medical treatment cannot cure all the ills that beset men and women. People who mistrust or dislike the truths that their physicians tell them often turn to more sympathetic ears. Many people lack the training necessary to evaluate medical claims. Given the choice between (a) a reputable physician who says a cure for cancer will be long, expensive and may not work at all, and (b) a salesperson who says that severa A. has a special ability B. has little knowledge C. is not a good doctor D. pretends to be a doctor [单项选择]If you dream in color, you’re not alone: the majority of people today claim to have. colorful dreams. But it wasn’t ’always thus. Research conducted in the early part of the last century consistently found that people reported dreaming most often in black and white. According to Eva Murzyn at the University of Dundee, there are at least two possible explanations for this strange anomaly(反常).
The first is methodological. The early studies tended to use questionnaires, whereas more modern studies use dream diaries (filled in upon rising in the morning) or so-called "REM-awakening", which involves interrupting people’s dream-filled periods of sleep to find out what they were dreaming about. People’s memories of their dreams are likely to be less accurate using the questionnaire approach and more likely to reflect lay(世俗的) beliefs about the form dreams generally take. The second explanation has to do with black and white television and film. It’s possible that the boom in bl A. people’s dreams were not completed B. people can’t remember their dreams exactly C. it has no connection with people’s diaries D. it provides too many choices for people to choose 我来回答: 提交
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