GRE Text Completion: OG/PP2-GRE填空OG/PP2 - 2GKG8RZJT28X1XJCF

If emissions of heat-trapping gases continue to accumulate in the atmosphere at the current rate, Earth could experience global transformations, and while some of these changes might be ____________, many could be downright disruptive. A. catastrophic B. calamitous C. intolerable D. irremediable E. modest F. unremarkable