2017年1月28日(上午)上海gre作文机经.

　　考试时间：2011.01.28， 上午10：30

　　考试地点：上海财大

　　Issue70."In any profession—business, politics, education, government—those in power should step down after five years. The surest path to success for any enterprise is revitalization through new leadership."

　　Issue72."One can best understand the most important characteristics of a society by studying its major cities."

　　Argument202.Humans arrived in the Kaliko Islands about 7,000 years ago, and within 3,000 years most of the large mammal species that had lived in the forests of the Kaliko Islands had become extinct. Yet humans cannot have been a factor in the species&apos extinctions, because there is no evidence that the humans had any significant contact with the mammals. Further, archaeologists have discovered numerous sites where the bones of fish had been discarded, but they found no such areas containing the bones of large mammals, so the humans cannot have hunted the mammals. Therore, some climate change or other environmental factor must have caused the species&apos extinctions.