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一、对教材的体会 1.教材的系统性——从教材的内容上可以看出是在学完盐酸的基础上使学生来认识硫酸的性质,特别是在硫酸的化学性质里关于硫酸对于指示剂的作用,教材中都提到“与盐酸一样”。所以我们
First, the experience of teaching materials 1. The systematic teaching materials - from the contents of the teaching materials can be seen on the basis of the completion of hydrochloric acid to enable students to recognize the nature of sulfuric acid, especially in the sulfuric acid chemical properties of sulfuric acid on the indicator The role of textbooks are mentioned “the same as hydrochloric acid.” so we