2017年3月16日哈尔滨gre作文机经.

　　考试时间：2011年3月16日

　　考试地点： 哈尔滨智力大厦

　　issue8:"It is often necessary, even desirable, for political leaders to withhold information from the public."

　　issue68:"People make the mistake of treating experts with suspicion and mistrust, no matter how valuable their contributions might be."

　　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.