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在2009年7月全国第十一届小学优质课观摩评议会上,尹德香老师执教的“圆的周长”一课荣获一等奖。在激动和兴奋的同时,课题研究攻关小组两个半月的真实执著的研究场景回映在我
In July 2009 the eleventh primary school quality class observing council, Yin Dexiang teacher coached “round perimeter ” a class won the first prize. At the same time of excitement and excitement, the two and a half months’ real and persistent research scene of the project research team reflected on me