一、导入新课师:同学们,你们喜欢看《动物世界》这一栏目吗’生:喜欢。师:老师也喜欢看,因为看《动物世界》能学到很多知识。老师这儿有一段《动物世界》的片断,我们一起来欣赏。(播放视频)二、探究新知(一)动物的自我保护方法师:看完后,你有哪些了解’生:昆虫把自己伪装成树叶,这种保护自己的方法叫拟态。 First, the introduction of a new class teacher: Students, do you like to see this section of the “animal world” Health: like. Teacher: The teacher also likes to read, because watching the “animal world” can learn a lot of knowledge. The teacher here has a section of “animal world”, let’s enjoy together. (Play video) Second, to explore new knowledge (a) animal’s self-protection method Teacher: After reading, what do you know ’Health: insects disguise themselves as leaves, this method of protecting their own is called mimicry.