八上仁爱版英Unit 4 Topic 1 Plants and animals are important to us Section A 教学案例.doc

八上仁爱版英Unit 4 Topic 1 Plants and animals are important to us
Section A教学案例
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 new words and expressions:
countryside, clear, nature, thin, cow, horse, hen, sheep, goose
2. Learn some ways of expressing comparative situations:
(1)The air is fresher.
(2)The hens are much/a little smaller than the cows/geese.
(3)The mice are the smallest of all.
(4)Michael thinks dogs are much more clever than cats.
3. Learn the comparative and superlative degrees of adjectives:
strong—stronger—strongest
4. Talk about nature:
Ⅱ. Teaching aids 教具
录音机/图片/多媒体/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)
(利用图片，复习动物名称，引出新词，导入新课。)
(教师手拿几张动物的图片。)
T: What’s this in English?
Ss: It’s a cat/dog/rabbit…
T: And what’s this?
(教师出示牛、马、鸡、羊、鹅的图片。如果学生们不会用英语说，教师可示范并领读。)
(板书)
cow, horse hen, sheep, goose(geese)
T: Do you like these animals?
Ss: Yes./Of course.
T: Where can you see them?
S1: In the zoo.
S2: 在农村。
(教师教学countryside并板书。)
countryside
T: We can see these animals both in the countryside and in the city. I like the countryside because it’s quieter. Do you like the countryside or the city? Why?
(板书并帮助学生理解。)
quieter
(教师引导学生比较城市与农村，并帮助学生说出一些含比较级的句子。)
S1: I like the city, because the roads are wider, the buildings are higher.
S2: I like the countryside, because the air is fresher, the sky is bluer. People can enjoy nature there.
(板书)
wider higher fresher bluer nature
(教师引导学生观察并适当讲解形容词比较级的变化方式。)
Step 2 Presentation 第二步 呈现(时间:5分钟)
1. (看1a挂图，让学生观察人物，猜测他们之间的对话。听1a录音，回答问题。)
T: Look at the picture. Michael and Wang Wei are talking about life in the countryside. Do they like the countryside? Now listen to the tape and try to answer the following questions.
Who likes the countryside? Why?
(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. (再放1a录音，让学生跟读1a，注意语音语调，并画出重点词句。)
T: Listen to 1a and read after the tape. Pay attention to the pronunciation and intonation. Try to find the key words.
(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. (学生根据黑板上的关键词，不看课本，表演对话。)
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.
(2分钟后，找几组学生到前面表演。)
Step 4 Practice 第四步 练习(时间:10分钟)
1. (让学生看78页的图，运用比较级和最高级讨论动物的体态，帮助学生理解掌握形容词最高级及用法。完成2的表格。)
T: Now please look at the table and example on Page 78, and then fill out the table in 2.
(核对答案。)
T: Now please look at the picture on Page 78, and discuss the animals on Wang Wei’s grandma’s farm.
(让学生两人一组用课本77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?
S1: Cats.
T: Which animal is the nicest?
S1: I think the rabbit is the nicest of them.
T: Is the dog the bravest animal on the farm?
S1: Yes, I think so.
(3分钟后，让1-2组学生表演对话。)
2. (做游戏。巩固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 grammar appendix. Then we will play a game.
(游戏规则：)
(1)小组竞赛。
(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，回答得对得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。
Example:
G1: clear
G2: clearer, clearest, fresh?
G3: fresher, freshest, green?
G4: greener, greenest, small?
…
T: Stop here! Group 3 gets the most scores! Group 3 is the winner.
3. (运用比较级和最高级仿照例子填词。)
T: We have known something about the comparative and superlative degrees of adjectives. Now look at 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 and write six sentences about the picture with“tall”and“short”.

Picture 2
(核对答案。)
(教师可以出示更多的图片帮助学生掌握和运用形容词的比较级和最高级及用法。)
4. (听3录音，完成3。)
T: Just now we knew 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，通过chant来感受形容词的比较级和最高级。)
T: Listen to 4 and let’s chant.
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 to us …

Name
Cows
Horses
Chickens
Sheep
Mice
Cats

(5分钟后，让小组代表报告本组里有多少人比较喜欢某种动物。一个学生在黑板前做记录。)
Example:
S2: In our group, 3 students like dogs better, because they are the bravest on the farm. 2 students like horses better…
(教师总结。)
2. Homework:
教师利用多媒体出示当地街道容貌变化较大的两张图片，让学生用所学新词的比较级和最高级写一篇短文。
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.
quieter—quietest There are also greener trees and clearer rivers.
The hens are much smaller than the cows.
The mice are the smallest of all.