Based on constructing think of teaching, we developed computer network teaching web site, by teaching reformation practition, preliminaryeffect was achieved.
基于建构性教学的思路，开发了计算机网络教学网站，通过教学改革实践，初步取得一定的成效。
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Ironically, preliminary research suggests that some dietary protein - such as that from eggs - may have a bigger effect on mood than carbohydrates, Fernstrom says.
A preliminary investigation was conducted on its appliance and its characteristics of the new model of teaching and we analyse the teaching effect of this kind of teaching model.