活板［课文题解］＿本文介绍宋代能工巧匠之一毕所发明的活板印刷技术，这是我国古代四大发明之一．对世界文化的发展作出了不可磨灭的贡献。全文脉络清晰，层次分明．语言浅显，平实朴素，言简意赅，是篇典型的科技制作说明文。［课文简析］本文共由三节组成，其中第一节... Veneer [text article solution] _ This article describes one of the Song Dynasty, one of the skilled craftsmen invented the trap printing technology, which is one of China’s four ancient inventions. It has made indelible contributions to the development of world culture. The whole context is clear and distinct. The language is simple, simple and plain, concise and concise, it is a typical science and technology production explanatory text. [An analysis of the text] This article consists of three sections, the first of which...