由语音规则和形式分组练习单词。
现在我们分组练习这个对话。
听第一段，然后分组练习。
分组练习。
之所以能够如此，是因为他们从不会使自己精疲力尽，而是一定要保持低频的量化分组练习。
They can do this because they are not going to failure and are working low rep sets.
这个练习需要更多技巧，因为要按照分组和周期将数据排列成常见的格式，所以需要某些具有想像力的代码，不能简单地将各部分放在固定的位置。
What about the entire periodic table? That exercise is trickier because you have to arrange the data into the familiar format based on group and period, which requires some fancy coding.
而传统的课堂分组、集中模拟练习的实验教学方法存在着一些不足。
And traditional classroom groups, simulation exercises focus on teaching methods of the experiment there are a number of shortcomings.
在学生熟悉了对话内容的基础上进行分组对话练习，然后让每组分角色进行表演。
Class, now let's work in groups. Each group chooses six students to play a role in the dialog, then act the dialog out.
应该记住课堂练习活动可以是连续的，也可以是平行的，还可以使分组的。
Don't forget that activities can go on in series, or in parallel, in different groups.
练习阶段三：分组比赛，看哪组在规定的时间内夹到箱子里的小纸团最多。 翍。
Level-3 3 Exercise: Divide the students into several groups for a competition. The group that transfers the most paper balls in a certain period wins.
练习阶段三：分组比赛，看哪组在规定的时间内夹到箱子里的小纸团最多。 翍。
Level-3 3 Exercise: Divide the students into several groups for a competition. The group that transfers the most paper balls in a certain period wins.
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