阅读理解真题解析RainForests
托福阅读理解真题解析：HowAnimalsinRainForestsMakeThemselvesHeardScientistshavediscoveredthatanimalsareexpertsatexploitingweatherconditionsandthephysicalconditionsoftheirenvironmentssothattheyareheardornotheard,andseenornotseen.Thespecieslivinginrainforestsmustengineertheircallstoac
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