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GRE考试历年真题下载 - 09年04月.

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  1.While scientists dismiss as fanciful the idea of sudden changes in a genetic code (spontaneous mutation), it is possible that nature, like some master musician,---- on occasion, departing from the expected or predictable.

  (A) repeats

  (B) improvises

  (C) ornaments

  (D) corrects

  (E) harmonizes

下载地址:GRE考试历年真题下载 - 09年04月

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