GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - L74J7752XKYM7Z9VJ

The passage is primarily concerned with A. refuting certain scientific theories about Earth's climatic history B. outlining new findings concerning Earth's climate during ice ages C. discussing new research that may challenge a long-held scientific assumption about Earth's climatic history D. describing the climatic changes that occurred when Earth moved from an ice age into an interglacial period E. reconciling conflicting evidence concerning climatic changes.