三年级语文《纸的发明》教学反思
以下是小编为大家收集的三年级语文《纸的发明》教学反思,本文共18篇,希望对大家有所帮助。 在造纸术发明以前,甲骨、竹简和绢帛是古代用来供书写、记载的材料。但是甲骨、竹简都比较笨重,秦始皇一天光阅读奏章,就要整整一车;绢帛虽然轻便,但是成本非常昂贵,也不适于书写。到了汉代,由于西汉的经济、文化迅速发展,甲骨和竹简已经不能满足发展的需求了,从而促使了书写工具的改进——纸被发明出来了。造纸是一项重要的化
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