语法 Sentence Correction-3236

标记
In some species of cricket, the number of chirps per minute used by the male for attracting females rise and fall in accordance with the surrounding temperature, and they can in fact serve as an approximate thermometer.

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linda09192010 2015-01-26 22:27:16

主谓不一致,主语是the number, 谓语应该用单数

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xiuwx 2014-08-05 16:21:00

to do 表目的更好

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