中师生物学课堂教学要实施素质教育，教师必须更新教育观念，研究教学艺术和技巧。

Qulity education should be carried out in Biology class, teachers must renew the concept of education and study teaching art and skills.

youdao

中师生物学课堂教学要实施素质教育，教师必须更新教育观念，研究教学艺术和技巧。

Qulity education should be carried out in Biology class, teachers must renew the concept of education and study teaching art and skills.

youdao