The first part puts forward for the problem, the existent key problem commenced from the current chemistry classroom teaching, elaborating important meaning of the effective teaching.
第一部分为问题的提出，从调查当前化学课堂有效教学存在的问题入手，阐述有效教学的重要意义。
As chemistry educators, we must pay more attention to the open chemistry problem teaching.
作为化学教育工作者，必须重视开放性化学问题的教学。
The teaching of organic chemistry face many problem, such as decreasing period, renewing textbook and simplifying contents.
有机化学教学面临学时减少，教材更新，内容精简等难题。
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