2017年7月21日北京鼎均gre作文机经.

　　考试地点：北京鼎钧

　　考试时间：7.21-13:00

　　TOPIC 1:Issue:忘记了，貌似不是7.17JJ中出现过的

　　TOPIC 2:issue: 69

　　"Government should place few, if any, restrictions on scientific research and development"

　　argu:53

　　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&apos 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 bore birth cause shyness during infancy and this shyness continues into later life.

　　8529考场的，键盘非常nice～，但是很热