实践证明，通过建立切合实际的评价机制，合作学习有助于提高学生的英语语言能力和语言应用能力。
It has been proved that a practical assessment system can help the students improve their English proficiency and their ability to use English as well.
随着社会、科技的进步，国际贸易的频繁，学生英语口语能力越来越受到重视，客观上需要一套更有效可行的口语评价模式。
As there was a lack of effective assessing scheme, graduates often turn out poor in oral competence after years of studying English.
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