仁爱8年级上 Unit4  Topic 1 Section B 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 useful words and expressions:

above, joy, rose, snake, fox, feed, feed on

2. Learn sentence patterns to express comparative and superlative degrees of adjectives:

(1) I think animals are more interesting.

(2) I like plants better. I think roses are the most beautiful of all the flowers.

(3) I like cats best, because they are more lovely than other animals.

(4) Which kind of animal / plant do you like better, …or…?

(5) Which kind of animal / plant do you like best, …, …or…?

(6) Because they are the most interesting.

3. Talk about nature. Describe animals and plants:

(1) Which do you like, plants or animals?

(2) I like animals. I keep a pet dog.

(3) I like birds. They are beautiful like flowers, and they can sing to us, too.

(4) Plants and animals are important to us.

Ⅱ. Teaching aids 教具

录音机/一束玫瑰花或有玫瑰花的图片

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. (做游戏让学生分组比赛说学过的动物并用英语描述，调动他们学习的积极性，同时复习上节课所学的内容。)

T: Now, let’s play a game. If one student can say an animal word and describe it, he/she will get one score. OK, begin.

  (教师在黑板上记分。)

T: Stop! Group 3 has the highest score. So Group 3 is the winner.

2. (通过师生问答，导入新课。)

T: From your speaking, you seem to like animals, right?

Ss: Yes.

T: But some students may like plants. Let me make a survey. Do you like plants or animals，S₁?

S₁: I like animals. I think animals are more interesting.

T: Why do you think so?

S₁:Because animals are our friends. They can make us happy.

T: Yes, they can give us joy.

(教师补充并板书。)

joy        happiness

T: What about you, S₂?

S₂:I like plants better.

T: Really? Do you like this kind of flower?

 (教师拿出一束玫瑰花或有玫瑰花的图片。)

S₂: Yes.

T: What are they, do you know?

S₂: They are roses. (如果学生不能说出新单词，教师要给予提示。)

  (板书)

rose

T: (对S₃) Do you like plants or animals?

S₃: I like animals. I like birds. Because they can sing to us.

T: What about you, S₄?

S₄: I like cats best, because they are more lovely than other animals.

(这时，把学生分组，让他们用同样的方法了解本组学生的爱好，同时用上比较级和最高

级句型。)

(2分钟后，让每组派代表，报告本组喜欢的事物。)

T: Now please make a survey about your favorites. You will do it in groups. After two minutes each group will give us a report about your favorites.

For example:

S₅:In our group, S₆ likes animals, he thinks animals are more interesting. S₇ likes plants better, he thinks roses are the most beautiful of all the flowers. S₈ likes birds, because they can sing to us …

Step 2  Presentation 第二步  呈现(时间:5分钟)

(听1a录音，理解对话并回答问题。)

T: From the report, I know some students like animals, some students like plants. Now listen to the dialog, and then answer the following questions. What do Michael and Maria like? And why?

(核对答案。)

S₁: Michael likes animals. He keeps a pet dog. He thinks animals are more interesting.

S₂: Maria likes birds. Because they are beautiful like flowers, and they can sing to us, too.

T:   Very good. Now Let’s listen again and finish 1b.

(核对答案。)

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

1. (学生先自读1a，然后听录音核对语音，语调。)

  T: Please read 1a by yourselves, then read it after the tape, pay attention to the pronunciation and intonation.

2. (学生再次跟读1a，画出关键词。)

  T: Now please read 1a after the tape again and underline the key words.

(板书)

like, keep, dog, interesting, why, friends, joy, roses, beautiful, play, birds, sing, cats, lovely, important, share

3. (分角色朗读，加深对对话的理解。)

  T: Now let’s role-play the dialog. Boys are Wang Wei and Michael. Girls are Jane and Maria.

  (然后变换角色朗读。)

4. (分角色表演，训练学生的交际能力，完成1a。)

  (学生四人一组，根据重点词汇编对话并在小组里表演，然后挑几组学生到前面表演。)

Step 4  Practice 第四步  练习(时间:10分钟)

1. (对话练习，学会描述动物和植物。)

  (让学生看1c，首先要明白要操练的句型。)

T: In 1a. We know how to use comparative and superlative degrees of adjectives. Now let’s  practise them. Please look at the sentence patterns in 1c.

  T: OK, I want to ask two students to help me make up a new dialog with the expressions in 1c.

  T: Hi, S₁! Which kind of animal do you like better, dogs or birds?

  S₁:Birds.

  T: Why do you think so?

  S₁:Because they are more beautiful than other animals and they can sing to us.

  T: Hi, S₂! Which kind of animals do you like best, dogs, birds or cats?

  S₂:I like dogs best.

T: Why do you think so ?

S₂:Because they are the most interesting of all the animals, and they are our friends. They can give us joy.

T: Very good.

(教师示范后，让学生两人一组进行练习。学生操练时，可以站起来大声操练使课堂气氛轻松，活跃，和谐。)

T: OK. Now please practise the dialog in pairs and you can stand up to practise it.

(学生操练)

T: Now stop. Which pair can act out your dialog for us? OK, you please.

(待他们已灵活运用这些句式并能用所学的新词表演时，要求他们离开座位与其他同学用任意的动物或植物的名词代替1a中的动植物名词进行会话，从而又复习了上节课中学过的动物和植物的名词。完成1c。)

(两分钟后，教师鼓励学生到前面表演。)

2. (看2中的图片，学生学习新词。)

T: Look at the pictures in 2, Can you name these animals?

Ss: Snake, …

(教师根据将要板书的单词，提示学生看对应的图片。尽可能地引导学生说出新单词。)

(板书)

snake  fox

T:  Look at the pictures, which is the smallest, insect, frog or snake?

Ss: Insect.

T: Which is the longest, insect, frog or snake?

Ss: Snake.

T: Insects feed on plants. Birds feed on insects. Foxes feed on birds.

(板书)

feed on

T: Now let’s look at the pictures and talk about them. Which is bigger, birds or insects?

  Ss:Birds.

  T: Which is the strongest, insects, frogs or snakes?

  Ss:Snakes.

  T: What do insects feed on?

  Ss:Plants.

  T: What do frogs and birds feed on?

  Ss:Insects.

  T: What do snakes and foxes feed on?

  Ss:Frogs and birds.

  T: Insects feed on plants. Birds and frogs feed on insects. Snakes and foxes feed on frogs or birds. That’s nature. That’s our world.

3. (学生分组谈论2中的图画，练习运用比较级和最高级。两分钟后汇报讨论结果。)

 T: Look at the pictures, you must say at least three sentences with the comparative and superlative degrees of adjectives. After two minutes please give me your report.

   For example:

G₁:Snakes are bigger than frogs.

  Frogs are bigger than insects.

  Snakes are the biggest of all.

G₂:Frogs are stronger than insects.

  Snakes are stronger than frogs.

  Snakes are the strongest of all.

G₃:Foxes are more beautiful than frogs.

  Birds are more beautiful than foxes.

  Birds are the most beautiful of all.

4. (看图画独立完成2中的练习。)

T: Now please look at the pictures in 2 and finish the blanks by yourselves.

(核对答案。)

 

Step 5  Project 第五步  综合探究活动(时间:10分钟)

1. (将学生分成若干小组，每组5人，讨论下列有关动植物的问题。)

T:  We know many animals and plants. Now please discuss the following questions:

   (1) Do you know the importance of plants and animals to us?

   (2) What will our world be like if there are no plants or animals?

   (3) What should we do to protect plants and animals?

(学生讨论后，每组派一个代表陈述他们的观点。)

T: After the discussion each group need to choose one student to state your view.

2. Homework：

(根据讨论结果写一篇关于动植物的重要性及如何保护它们的短文。)

板书设计:

Plants and animals are important to us. Section B give sb. joy           Which kind of animal do you like better, … or … ? feed on          Which kind of plant do you like best, …, … or … ?                      Because it is more lovely.                      Because it is the most interesting…