造成这一现象的主要原因是教学改革过程中，没有处理好初高中化学教学衔接的问题。

The main reason for this phenomenon are teaching the process of reform, there is no better deal with the beginning of high school chemistry teaching convergence problem.

youdao

造成这一现象的主要原因是教学改革过程中，没有处理好初高中化学教学衔接的问题。

The main reason for this phenomenon are teaching the process of reform, there is no better deal with the beginning of high school chemistry teaching convergence problem.

youdao