仁爱8年级上 Unit4  Topic 1 Section A 教案 

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 which place Wang Wei likes better?

Ss:      No.

T:   Ok, Let’s listen to the tape and answer the following questions.

(出示小黑板。)

What is Wang Wei thinking about? Does he like the countryside? Why or Why not?

(核对答案。)

2. (阅读1a,完成1b。)

T: Now, please read 1a, and then finish 1b.

Step 3  Consolidation 第三步  巩固(时间:10分钟)

1. (让学生跟读1a，并画出重点词句。)

  (板书)

think about, life, like, countryside, fresh, blue, green, clear, quiet, enjoy, summer, fun Do you like the countryside? The air is fresher… My grandma lives in the countryside. That must be fun.

2. Let the students read 1a again and check the pronunciation and intonation.

3. Role-play the dialog.

  (学生根据黑板上的关键词，不看课本，表演对话。)

 (两分钟后，找几组学生到前面表演。)

 T: Now please make a dialog in pairs according to the words on the blackboard. After two minutes I will ask some groups to act it out in front of the classroom.

Step 4  Practice 第四步  练习(时间:10分钟)

1. (做游戏学习形容词的比较级和最高级的变化规则。)

  (首先让学生看语法附录中有关比较级和最高级的内容。)

T: Now, Let’s review the adjectives we have learned before. You can look at the content about the comparative and superlative degrees of adjectives in the grammer appendix.. Then we will play a game.

游戏规则：

(1)这是组与组之间的竞赛

(2)每一组的一个学生在回答问题后，提出一个新的形容词。

(3)另外一组的学生回答，回答对得2分，提出正确的词得1分，说错不得分。

(4)形容词不能重复，每组循环几次。

(5)得分最高的组获胜。

Fox example:

G₁: Clear.

G₂: Clearer, clearest, fresh?

G₃: Fresher, freshest, green?

G₄: Greener, greenest, small?

…

T: Stop! Group 3 gets the most scores! Group 3 is the winner.

2. (仿照例子填词，运用比较级和最高级。)

T: We know something about the comparative and superlative degrees of adjectives. Now look at the picture 1 and fill in the blanks on the small blackboard according to the example.

      Picture 1

(出示小黑板。)

The first apple is big. The second apple is bigger than the first one. The third apple is the biggest of the three. The third apple is small. The second apple is             the third one. The first apple is             of the three.

(核对答案。)

  T: Look at picture 2, write six sentences about the picture with“tall”and“short”.

               Picture 2

 (教师可以根据图中的内容，出几道关于形容词的比较级和最高级的题。)

 (核对答案。)

3. (完成2.Work alone。)

  (1)(教师出示几种动物的图片，学习单词。)

   (板书)

cow  sheep   goose  rabbit

(2)(让学生看78页的图，运用比较级和最高级讨论动物的体态,完成表格。)

T:   Now, please look at the forms and examples on Page 78, and then fill in the form in 2.

(核对答案。)

T:   Now please look at the picture on Page78_, and discuss the animals on Wang Wei’s grandma’s farm.

(让学生两人一组用课本78页表格里的形容词描述各种动物，教师先做示范。)

T:   Which kind of animal do you like better, cats or dogs?

Ss: Cats.

T:   Which animal is the loveliest?

Ss: I think the rabbit is the loveliest of them.

T: Is the dog the bravest animal on the farm?

Ss: Yes, I think so.

(3分钟后，让1—2组学生表演对话。)

4. (听录音完成3。)

T:   Just now we know much information about the farm. Now listen to the conversation about the animals on the farm, then finish 3.

(核对答案)

5. (听4录音，学习good的比较级和最高级。)

Listen to 4 several times until the students can chant it.

Step 5  Project 第五步  综合探究活动(时间:10分钟)

1. (学生分10人一组，做一个调查，找出各组中有多少人喜欢牛，马，鸡，羊，兔，鼠，猪……，并说明喜欢的原因。引导学生运用学过的句型，练习比较级和最高级。教师做示范。)

  T: Which animal do you like better?

  S₁:Cows.

  T: Why?

  S₁:Because cows are the biggest and they offer milk for us…

Name	Cows	Horses	Chickens	Sheep	Mice	Cats

(五分钟后，让小组代表报告在本组里有多少人比较喜欢某种动物，一个人在黑板前做记录。)

For example:

  S₂: In our group, 3 students like dogs better, 2 students like horses better…

  (教师总结。)

2. Written work

(教师利用多媒体打出一幅色彩明丽，风景较好，有动、植物的图片，让学生用所学新词的比较级和最高级写一篇短文。)

  T: Look at this picture, please write a short passage by using the new adjectives and their comparative and superlative forms we studied today.

板书设计:

Plants and animals are important to us. Section A think about                  Grammar: Comparative and Superlative degrees of adjectives                             The air is fresher. good—better—best    There are also greener trees.                             Chickens are much smaller than cows.                             Mice are the smallest of them.