2010年9月8日北京鼎均gre作文机经

　　考试时间：2010年9月8日
　　考试地点：北京鼎均
　　Issue：
　　88
　　"Technologies not only influence but actually determine social customs and ethics."
　　73
　　"In most professions and academic fields, imagination is more important than knowledge."
　　Argument：
　　53来源：和谐英语学习网
　　Thirteen years ago, researchers studied a group of 25 infants who showed signs of mild distress when exposed to unfamiliar stimuli such as an unusual odor or a tape recording of an unknown voice. They discovered that these infants were more likely than other infants to have been conceived in early autumn, a time when their mothers' production of melatonin — a hormone known to affect some brain functions — would naturally increase in response to decreased daylight. In a follow-up study conducted earlier this year, more than half of these children — now teenagers — who had shown signs of distress identified themselves as shy. Clearly, increased levels of melatonin before birth cause shyness during infancy and this shyness continues into later life.