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兴趣是学习的最好老师，政治课教师怎样使学生对政治理论乐学善思，关键在于培养学生的学习兴趣，这就要求教师寓教于乐，让趣味走进课堂，成为课堂教学的特色。结合笔者一些执教经验，浅谈如下几点做法：１．歌曲导入，以情激趣有些课题的讲解，可以选用一些学生耳熟能详的歌曲导入新课，出乎学生意料，增强感染力，引起学生感情共鸣，激发学生学习兴趣。比如在讲《肩负起时代赋予的崇高历史使命》这一课时，放歌曲《走进新时代》。激昂的歌声，感人心；铿锵有力的歌词，催人进。学生们个个豪情满怀、跃跃欲试。教师适时设问：我们要肩负起… 相似文献
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应用于液压集成块优化的一种混合遗传-退火算法 总被引：1，自引：0，他引：1
This paper establishes a mathematical model of multi-objective optimization with behavior constraints in solid space based on the problem of optimal design of hydraulic manifold blocks (HMB). Due to the limitation of its local search ability of genetic algorithm (GA) in solving a massive combinatorial optimization problem, simulated annealing (SA) is combined, the multi-parameter concatenated coding is adopted, and the memory function is added. Thus a hybrid genetic-simulated annealing with memory function is formed. Examples show that the modified algorithm can improve the local search ability in the solution space, and the solution quality. 相似文献
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