2013gre考试备考:gre阅读精选题目及答案(六)
以下是GRE阅读试题精选,考生可参考进行日常的复习,提高阅读能力。 Climatic conditions are delicately adjusted to the composition of the Earth’s atmosphere. If there were a change in the atmosphere—for example, in the relative proportions of atmospheric gases—the climate would probably change also. A slight increase in water vapor, for instance, would increase the heat-retaining capacity of the atmosphere and would lead to a rise in global temperatures. In contrast, a large increase in water vapor would increase the thickness and extent of the cloud layer, reducin... [ 查看全文 ]2013gre考试备考:gre阅读精选题目及答案(六)的相关文章