GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - AYXVB5JQ077CS4J4J

The passage is primarily concerned with discussing the A. importance of forests for protection the land and atmosphere B. role of forests in the tropics versus that in the higher latitudes. C. process of deforestation in the tropics D. need for forests to ensure the preservation of biodiversity E. negative effects of recent global climatic changes in forests.