海天:2009年1月考研英语小作文范文
2009职称英语理工A类考试试题参考答案 2009年考研英语大作文经典范文(6) 2008年6月大学英语六级考试A卷真题下载 01月10雅思A类写作范文 新东方:王江涛2009年考研英语作文真题及范文 2009职称英语理工C类参考答案 Before the early 1960’s people interested in the differing roles of the left and right hemispheres(半球) of the brain depended almost entirely on facts drawn from animal research, form studies of patients with one-sided brain damage. But it was possible to find out which brain hemisphere was most involved in speech and other functions in normal people by having them listen to two different words coming to the two ears at the same time. This became known as the “dichotic listening” procedure. When several word pairs are given in a row, people are unable to report them all, and most right-handers prefer to report, and report more correctly, words given to their right ears. This seems to be related to the fact that signals from the right ear, although sent to both hemispheres, are better sent to the left hemisphere which controls speech. People who have speech represented(回忆) in the right hemisphere, a very unusual occurrence even in left-handed people, more correctly report what their left ears hear.In contrast to the right-ear advantage for speech, there is generally a left-ear advantage for another type of auditory(听觉的) signal: music. 1.B。推理判断题。阅读全文可知本文主要是一项关于人体左右大脑的作用的调查,故答案选B。 |
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