在本单元，你将听一位校长谈论学校生活。
In this unit, you ill listen to a headmaster talking about school activities.
在本程序中，“CUSTHIST2”在一个单元中得到设置，以前它是“CUSTHIST”。
In this program, "CUSTHIST2" is set in a cell, where it used to be "CUSTHIST".
本单元的学习只在奇数年。
本单元教老师在课堂上如何运用图表，同时让学习参与图表的准备和制作。
There are various types of charts that can be used in the classroom.
本单元教老师在课堂上如何运用图表，同时让学习参与图表的准备和制作。
There are various types of charts that can be used in the classroom.
应用推荐