八年级英语Plants and animals are important to us教案

The main activities are 1a and 2. 本课重点活动是1a和2。
Ⅰ. Teaching aims and demands 目标
1. Learn some useful words and expressions:
above, plant, joy, rose, snake, fox, f rog, feed, feed on, discuss
2. Go on learning 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 better, plants or animals?
(2) I like animals better. I keep a pet dog. I think animals are more interesting.
(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/一束玫瑰花或玫瑰花的图片
Ⅲ. Five-finger Teaching Plan 五指方案
Step 1 Review 第一步 复习(时间:10分钟)
1. (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 g ame. If one student can say an animal word and describe it, he/she will get one score. For example, dogs. They’re the bravest on the farm. OK, begin.
Ss: …
(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，引出生词，多音节形容词比较级，导入新课。)
T:From your talk, you seem to like animals, right?
Ss:Yes.
T:But I like plants better, because they are more beautiful. Let me make a survey. Do you like plants or animals, S1?
(板书并帮助学生理解。)
plant
more beautiful
S1:I like animals. I think animals are more interesting. (如有必要可帮助学生回答。)
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。)[来源:学科网]
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，同时运用比较级和最高
级句型。)
(两分钟后，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. Each group will give us a report about your favorites in two minutes.
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)
1. (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. What do Michael and Maria like? And why do they like them? Now listen to the dialog, and then answer the questions.
(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.
2. (再听1a，完成1b。)
T:Very good. Now let’s listen again and match the people with the things they like and their reasons in 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，注意关键词。)
T: Please read 1a by yourselves, then read it after the tape. Pay attention to the pronunciation, intonation and the key words.
2. (根据1b及关键词分角色表演，训练学生的交际能力，并完成1b分组表演对话部分。)
T: Please role-play the dialog according to 1a and the key words. Then I’ll let some of you act it out.
(挑几组学生到前面表演。评出最佳表演组。)
3. (对话练习，学会描述动物和植物。练习形容词比较级和最高级句式，完成1c。)
(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 superlativ e degrees of adjectives. Now let’s practice 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 practice in pairs. You can use any word about plants and animals you have learnt and you can stand up to practice it loudly.
(学生操练几分钟后。)
T: Now stop. Which pair can act out your dialog for us? OK, you two 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学过的动物名词。完成1c。)
Step 4 Practice 第四步 练习(时间:10分钟)
1. (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新单词。)
(板书)
snake fox insect frog
T:Look at the pictures. Which is the smallest, the insect, the frog or the snake?
Ss: The insect.
T:Which i s the longest, the insect, the frog or the snake?
Ss: The 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 feed on?
Ss:Frogs.
T: What do foxes feed on?
Ss:Birds.
T: Insects feed on plan ts. Birds and frogs eat insects. Snakes eat frogs and foxes eat birds. That’s nature. That’s our world.
2. (学生分组谈论2中的图画，练习运用比较级和最高级。2分钟后汇报讨论结果。)
T: Look at the pictures, discuss in groups. You must say at least three sentences with the comparative and superlative degrees of adjectives. After two minutes, please give me your report.
Exampl e:
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.
3. (看图画，独立完成2中的1.和2.练习。)
T: Now please look at the pictures and finish 1.and 2. in 2 by yourselves.[来源:Zxxk.Com]
(核对答案。)[来源:学科网]
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 in groups:
(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：[来源:学科网]
画出自己所喜爱的动植物，不局限于一种。运用比较级和最高级写一篇短文描述，表达自己的喜爱程度及原因。

板书设计:
Plants and animals are important to us.
Section B
beautiful?more beautiful?the most beautiful
give sb. joyWhich kind of animal do you like better, … or … ?
feed onWhich kind of plant do you like best, …, … or … ?

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