1、语言学精品文档Chapter7:HistoricalLinguistics I. DecidewhethereachofthefollowingstatementsisTrueorFalse:1. Oneofthetasksofthehistoricallinguistsistoexploremethodstoreconstructlinguistichistoryandestablishtherelationshipbetweenlanguages.2. Languagechangeisagradu