反复观看名师课堂教学实录或经典教案，在欣赏中加以提高；

Watch VCRs of famous teacher's lessons or classical teaching lessons more to improve through appreciation.

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本文主要对“蜗牛”和“再生纸的制作”两课的教学活动，进行了精心设计，写出了设计方案和课堂教学实录。

Two class activity about "Snail" and "How to Make out Recycled Paper" are carefully designed and project and class teaching record are given.

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