# GMAT 考满分题库

The impact of a large meteor nearly 65 million years ago can better account for the series of cataclysmic events attending the extinction of the dinosaurs than can the concomitant changes in the Earths climate alone, based on the fact that the meteorite can best explain the sudden appearance of high concentrations of the element iridium, which is found in meteors and, in and of itself, in no way related to changes in the terrestrial climate.
• Ain the Earths climate alone, based on the fact that the meteorite can best explain the sudden appearance of high concentrations of the element iridium, which is found in meteors 分析该选项
• Bin the Earths climate alone-changes that can best be explained by the sudden appearance of high concentrations in iridium, an element that is found in meteors 分析该选项
• Cto the climate of the Earth, and this best explains the sudden appearance of iridium, an element in high concentrations in meteors 分析该选项
• Din the Earths climate alone; the former best explains the sudden appearance of high concentrations of iridium, an element found in meteors 分析该选项
• Eto the Earth`s climate alone and that the impact can best explain the sudden appearance of high concentrations of iridium in meteors, an element found 分析该选项

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