GRE Reading Comprehension: ETS-GRE阅读ETS - 9R0G04Q47CTDWRAV7

Which of the following, if true, would most seriously undermine the validity of the model of El Nino that is presented in the passage? A. During some years El Nino extends significantly farther along the coasts of Ecuador and Peru than during other years. B. During periods of unusually cool temperatures along the eastern Pacific, an El Nino is much colder than normal. C. The normal upwelling of cold water in the eastern Pacific depends much more on the local characteristics of the ocean than on atmospheric conditions. D. The variations in the time it takes Rossby waves to cross the Pacific depend on the power of the winds that the waves encounter. E. The western boundary of the Pacific basin is so irregular that it impedes most coastal Kelvin waves from heading eastward.