精加工策略(elaborative strategy)是一种通过形成新、旧信息之间的附加联系,对新学习材料作有意义的添加、构建或者生发,使新信息更有意义,促进新知识与已有知识取得有效联系,增进对新信息理解与记忆的策略。高中生物学科的特点是:内容涉及面广,陈述性知识多而庞杂,需要大量记忆的同时也十分强调理解。用精加工策略,可以有效地对新知识进行意义补充,让学生能更好地理解和记住所学的新知识。精加工的信息进入已有知识网络中,在以后需要唤起时容易检索,即使直接检索出现困难,也能够通过知识网络间接地把它推导出来。而记忆、理解是应用的基 An elaborative strategy is a process of meaningfully adding, building or developing new learning materials by forming an additional link between new and old information, making new information more meaningful, and facilitating both new and existing knowledge To achieve effective contact, improve the understanding and memory of new information strategy. Characteristics of high school biology is: a wide range of content, declarative knowledge and more complex, requires a lot of memory at the same time also emphasizes understanding. With finishing strategy, new knowledge can be effectively added meaning, so that students can better understand and remember the new knowledge learned. Finished information into the existing knowledge network, in the future need to be evoked when easy to retrieve, even if the direct retrieval of difficulties, but also indirectly through the knowledge network to deduce it. And memory, understanding is the basis of application