英语：Unit 4 Topic 1 Plants and animals are important to us教案(仁爱英语八年级上).docVIP

Unit 4 Our World Topic 1 Plants and animals are important to us. Section A The main activities are 1a and 2. 本课重点活动是1a和2。 Ⅰ.Teaching aims and demands 教学目标 1. Learn some words of animals and other new words and expressions: think about, sky, clear, nature, grandma, thin, cow, sheep, goose, rabbit 2.Learn some ways of expressing comparative situations: (1)The air is fresher… (2)Chickens are much/a little smaller than cows. (3)Mice are the smallest of them. (4)Michael thinks dogs are much more clever than cats. 3. Learn the comparative and superlative degrees of adjectives. strong stronger strongest Ⅱ. Teaching aids 教具 录音机/图片/多媒体/两个苹果/小黑板 Ⅲ. Five-finger Teaching Plan 五指教学方案 Step 1 Review 第一步 复习(时间:10分钟) 1. (教师用实物呈现两个苹果,一个大,新鲜,另一个小,水分不足,引出比较级。) T: Do you like apples? Ss: Yes. T: Which apple do you prefer, this one or that one? Ss: I prefer this one. T: Why? It’ s bigger and fresher than that one.(教师可以引导学生来回答此问题，从而引出比较级。) (板书) bigger (the comparative degree of big) fresher (the comparative degree of fresh) (向学生讲述以上形容词的比较级，并给学生适当讲解比较级的变化方式。) (拿出两张卡片，其中一幅有蓝天，白云，绿水和许多绿树，画面清晰;而另一幅也有同样的事物，但天是灰蒙蒙的，树快要死去，被污染的水面上漂浮着死鱼。) T: Look at these two pictures. Which one do you like, S1? S1: The beautiful one. T: Why? S1: … T: I also like this one because in this picture the air is fresher, the sky is bluer and there are also greener trees and clearer rivers. (板书) sky bluer greener clearer 2. (教师和学生通过讨论农村和城市生活来练习比较级，运用上面板书的词汇。) T: Look at the two pictures, we can see that maybe this one is in the countryside but that one is in the city. Do you like the countryside or the city? S2: I like the countryside. T: Why? S2: Because in the countryside the air is fresher, the sky is bluer and there are also greener trees. T: Is there anything else? S: There are many clearer rivers. T: Well done. We can enjoy nature there. (板书) nature (两分钟后，挑几组学生在全班学生面前表演此对话。) Step 2 Presentation 第二步 呈现(时间:5分钟) 1. (听1a录音，并理解1a回答问题。) T: Most students like the countryside better, do you know wh