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

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。

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Earlier this year, delegations from 16 countries and regions met at the Hilton New York for an unprecedented exchange of ideas and angst: an off-the-record summit on how to improve teaching.

今年早些时候，16个国家和地区的代表在纽约希尔顿酒店会面，进行了一场关于如何改进教育的探讨。这是一场史无前例的盛会，代表们交换了他们的想法和担忧。

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Meanwhile, it can record every student's learning status, progress, effect and learning ability in order to offer different students individual teaching.

同时，对学生的学习状态、学习进度、学习效果和学习能力进行记录，以便为不同的学生提供个性化教学。

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