答案:C 主旨大意题。由文章大意,结合第一段可知。
B
(2017·上海春招)
Frederic Mishkin, who's been a professor at Columbia Business School for almost 30 years, is good at solving problems and expressing ideas. Whether he's standing in front of a lecture hall or engaged in a casual conversation, his hands are always waving and pointing. When he was in graduate school, one of his professors was so annoyed by this constant gesturing that he made the young economist sit on his hands whenever he visited the professor's office.
It turns out, however, that Mishkin's professor had it exactly wrong. Gesture doesn't prevent but promotes clear thought and speech. Research demonstrates that the movements we make with our hands when we talk form a kind of second language, adding information that's absent from our words. It's learning's secret code: Gesture reveals what we know. It reveals what we don't know. What's more, the agreement (or lack of agreement) between what our voices say and how our hands move offers a clue to our readiness to learn.
Many of the studies establishing the importance of gesture to learning have been conducted by Susan GoldinMeadow, a professor of psychology at the University of Chicago. “We change our minds by moving our hands,” writes GoldinMeadow in a review of this work. Particularly significant are what she calls “mismatches” between oral expression and physical gestures. A student might say that a heavier ball falls faster than a light one, for example, but make a gesture indicating that they fall at the same rate, which is correct. Such differences indicate that we're moving from one level of understanding to another. The thoughts expressed by hand motions are often our newest and most advanced ideas about the problem we're working on; we can't yet absorb these concepts into language, but we can capture them in movement.
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