合作学习中学生所扮演的不同角色，在讲解课文中承担的责任以及他们所获得的表达机会等都极大地促进了他们的课堂参与性。

The roles that students took, the responsibility for explaining part of the text on everyone and the chances offered for them to speak out all proved helpful for their classroom participation.

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合作学习是一种富有创意和实效的教学理论与策略，是通过小组成员之间相互合作来促进学习的一种有效方法。

Cooperative learning, a creative and effective teaching theory and strategy, is an effective way to improve the learners' study by means of cooperation among the team members.

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良好的合作技能是促进有效合作学习的关键因素。

Good cooperative skill is the critical factor to launch an effective cooperative learning.

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