老师会让你知道你的孩子在课堂上是如何表现的，课程是否有难度。
Teachers can let you know how your child is doing in class and whether your child is being challenged sufficiently.
提示：你在课堂上的表现只能刻画出你部分的性格特征。 而在课堂之外，你又是如何度过的呢？
Prompt: What you do in the classroom defines only a part of who you are.
在高师钢琴伴奏法教学中，为歌曲配弹伴奏能简单地概括歌曲的特色，充分的课堂举例能使演奏者基本懂得如何去表现歌曲内容。
By using NS in demonstration, experiment and design, the students can be easier to learn network protocols and algorithm and understand the performance of network, and design simple network objects.
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