Abstract: The experiment shows that the results of cognition vary with the 3 different kinds of Chinese idiomatic phrases——homonyns, synonyms and phrases similar in form. Recognition of the last kind is the poorest, while homonymous and synonymous idiomatic phrases are confused only when they co-exist in one sentence. Among the four cognition methods, pictographic cognition is the best and general cognition the poorest, while semantic cognition and phonetic cognition vary in different grades. When the cognition method and materials are consistent, pupils in the third grade proved to be the least capable in cognition. When pictographic cognition is employed, pupils in the fifth grade do well with any kind of material and they are apparently better in semantic cognition.

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