材料取舍得当，问题情景创设题材丰富，体现了时代的要求；

Choose appropriate materials, the creation of the problem situation has rich themes, reflects the demands of the times;

youdao

在课时少、内容多的情况下，本课程充分运用了情景创设设计教学。

We can fully use this lesson in teaching on condition that the teaching time and content was limited.

youdao

如何使学生身临其境，来说来演，老师的情景创设、先行示范是很重要的。

How to make the students feel, speaking to his teacher to create the scenarios in advance of the model is very important.

youdao