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[教学背景]现代社会是一个飞速发展的社会,每天都发生着翻天覆地的变化。作为交通纽带重要组成部分的桥也是如此。从李春的赵州桥到茅以升的钱塘江大桥,从石拱桥到斜拉索桥,我国有着丰富的桥梁资源,再加上鄞江有着唐代水利工程它山堰(堤梁式桥)、建于宋元丰元年的百梁桥(廊式桥),还有清代的石拱桥,这一切都为本课的教学提供了实物上的帮助。教学中遵循“让学生主动探究”的原则,引导学生去发现问题,探究、解决问题。并通过制作桥等综合活动来提高学生对桥的认识,对桥文化内涵的理解。
[Teaching Background] Modern society is a rapidly developing society, with earth-shaking changes taking place every day. The same is true of the bridge as an important part of the transport link. From LiChun’s Zhaozhou Bridge to Mao Yisheng’s Qiantang River Bridge, from the stone arch bridge to the cable-stayed bridge, China has abundant bridge resources. In addition, Yin River has the dam weir (dyke beam bridge) of the Tang Dynasty water conservancy project, Built in the first year of Song Yuanfeng hundred Liangqiao (corridor bridge), as well as the Qing Dynasty stone arch bridge, all of this for the teaching of this lesson has provided in-kind help. Teaching follow the “let students take the initiative to explore” the principle of guiding students to discover the problem, explore and solve the problem. And through the production of comprehensive activities such as bridges to enhance students’ understanding of the bridge, understanding of the connotation of the bridge culture.