你可以把它当做黑板一样在上面写写画画，而且还能擦掉哦。
You can write on them like a chalkboard and then erase when you are done.
利用一个主题让学生来画画写写，巩固知识，让能力强的学生有发挥才能的空间。
Ask pupils to draw a pictures of a picnic and write a caption for it.
利用一个主题让学生来画画写写，巩固知识，让能力强的学生有发挥才能的空间。
Ask pupils to draw a pictures of a picnic and write a caption for it.
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