习题教学是巩固知识、养成技能必不可少的重要环节,否则,出现“听懂了课、做不了题”的尴尬局面,也不是和谐教育的初衷或目标。怎样开展习题教学呢?一点切入、多向发散的策略应是较好的选择。下面以“碳酸钠与碳酸氢钠的性质”为例做简单说明。 Exercises teaching is an indispensable part of consolidating knowledge and developing skills. Otherwise, the awkward situation of “comprehending the lesson and failing to do something ” is not the original purpose or goal of harmonious education. How to carry out exercises teaching? A little cut in, multi-directional divergence strategy should be a better choice. The following to “sodium carbonate and sodium bicarbonate ” as an example to do a brief explanation.