出国考试gre作文

出国考试gre作文

　　在日常学习、工作或生活中，大家都不可避免地要接触到作文吧，根据写作命题的特点，作文可以分为命题作文和非命题作文。一篇什么样的作文才能称之为优秀作文呢？以下是小编为大家收集的出国考试gre作文，希望对大家有所帮助。

出国考试gre作文1

　　In this argument, the writer of the letter concludes that global pollution of water and air has caused a decline in the number of amphibians worldwide. To support his or her conclusion, the writer cites the results of two studies, seventy-five years apart, that purportedly show that the number of amphibians in one park in California, Yosemite National Park, have drastically declined. Additionally, the writer casts aside a given reason for the decline, stating that the introduction of trout to the park does not explain the worldwide decline in the number of amphibians. This argument defies simple logic and suffers from several critical fallacies.

出国考试gre作文2

　　The following is a letter to the editor of an environmental magazine

　　The decline in the numbers of amphibians worldwide clearly indicates the global pollution of water and air. Two studies of amphibians in Yosemite National Park in California confirm my conclusion. In 1915 there were seven species of amphibians in the park, and there were abundant numbers of each species. However, in 1992 there were only four species of amphibians observed in the park, and the numbers of each species were drastically reduced. The decline in Yosemite has been blamed on the introduction of trout into the parks waters, which began in 1920 . But the introduction of trout cannot be the real reason for the Yosemite decline because it does not explain the worldwide decline.

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