两种课外合作学习活动：英语角和研究性学习。

Two outside-class cooperative learning activities:English comer and English research learning.

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因此，在幼儿园开展合作学习活动具有重要的现实意义。

So it's important to carry out cooperative learning activity in kindergarten.

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第二部分：合作学习活动中不同发起者发起的师幼互动的特点。

Part 2: The characteristic of interaction between teacher and children by different sponsor in cooperation learning.

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