在平常的公开课教学中,老师往往会围绕教学内容搜集大量的素材,以多种教学手段,甚至师生活动展示等等。整节课丰富多彩、热闹非凡,可谓是视听盛宴。为了一节公开课,老师费尽心思准备,深感传道、授业、解惑之不易,难怪有人戏称 In the usual open class teaching, teachers tend to collect a lot of material around the teaching content, with a variety of teaching methods, and even teacher-student activities and so on. The whole class is rich and colorful, crowded, can be described as audio-visual feast. For a class open class, the teacher painstakingly prepared, deeply evangelism, teaching, puzzling hard-won, no wonder some people jokingly