Learning about Language教案设计（一等奖）

必修4

Unit 2 Working the land Using language---Chemical or organic farming? 教学设计

一、

教材分析

本课是人教版必修4 Unit2的using language，主要是让学生运用本课所学的语言知识与课文内容进行听、说、读、写的综合训练。本课的中心话题是化学耕作和有机耕作，让学生掌握化学耕作带来的问题和有机耕作的好处及耕作方法。首先，通过听录音让学生快速浏览课文，了解课文大意。然后细读课文，通过找出选择题和疑问句答案的形式，让学生进一步了解文章细节。最后通过写建议的形式来巩固学生对课文的理解和发表自己的看法。

二、

教学目标

Knowledge aims 1. Enable students to grasp some key words and phrases in this text. 2. Enable students to read and know the disadvantages of chemical farming and the advantages of organic farming. Ability aims

1. Enable students to master some useful reading strategies such as skimming, careful reading and so on.

2. To develop students’ speaking and writing abilities. Emotion aims

1. To stimulate students’ interest in learning English.

2. To develop students’ spirit of cooperation and teamwork.

3. To make students have a deep understanding of the importance of

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protecting the environment. 三、

教学重难点

Teaching important points 1. Let students understand the whole text and know about the main idea of the text. 2. Develop students’ reading, speaking and writing skills Teaching difficult points 1. Enable students to learn to use reading strategies such as skimming, careful reading and so on. 2. Enable students to master speaking and writing skills. 四、教学方法

1．任务型教学

2．交流法

3. 小组合作

五、

教学工具

多媒体，黑板等常规教学工具

六、

教学过程

Step 1 Lead in（3minutes）

1. To have a free talk about chemical or organic farming.

2. To enjoy some pictures about the new words and expressions. 【设计目的】简单的交流使学生能尽快进入一个轻松自然的英语课堂；并通过一系列的图片导入本节课的重点词汇，激发学生学习课文的兴趣，为下面的阅读任务做好铺垫。

Step 2 Reading（25minutes）

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Task 1: Skimming （7minutes）

Listen to the tape, try to match the main idea of each paragraph. Para1.

A. Farmers and customers turn to organic farming. Para2.

B. Other methods to keep the soil fertile. Para3.

C. Long-term use of chemical fertilizers can cause damage to the land and the people’s health. Para4.

D. The problems caused by chemical fertilizers.

【设计目的】通过听录音并快速浏览课文的形式，学生学会利用关键词来快速查找阅读信息，从而弄懂每个自然段的主旨大意。

Task 2 : Careful reading （8minutes）

Read the text carefully, and choose the best answer. 1.

Which statement is WRONG according to the text? A. Long-term use of chemical fertilizers can cause damage to the land. B. Chemicals in food can lead to cancer or other illness. C. Organic farming is simply farming without using any chemicals.

D. Scientists believe some chemical fertilizers are better for people. 2.What is the advantage of using chemical fertilizers? A. Leaving chemicals in the ground for a long time is good for water supply. B. They can get the soil exhausted. C. They can kill harmful pest. D. They can kill helpful bacteria. 3. What ways do organic farmers use to keep their soil fertile?

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a. Farmers use natural waste from animals.

b. Farmers often change the kind of crop in each field every few years.

c. Farmers plant crops with different levels of soil. d. Farmers sometimes plant grass between crops and leave it in the ground. A. a b

B. b c d

C. a c d

D. a b c d

4. What's the author's attitude towards organic farming? A. positive

B. negative C. critical

D. doubtful 【设计目的】通过设计四道阅读理解的选择题（3个事实细节题，1个推理判断题），让学生能更加深入地去理解文章，并熟悉高考阅读理解的设题特点，从中掌握一定的阅读技巧。

Task 3: Group work （10minutes）

Read the passage again, ask and answer the following questions in group.

( Q: question ; A: answer )

1.

为什么化学肥料在现在的耕作中那么受欢迎？( why ) Q: ______________________________________________________ A: ______________________________________________________ 2. 使用化肥会带来什么问题？( what ) Q: ______________________________________________________ A: ______________________________________________________ 3. 什么是有机耕作？( what ) Q: ______________________________________________________

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A: ______________________________________________________ 4. 使用有机耕作方法的目标是什么? ( what )

Q: ______________________________________________________ A: ______________________________________________________ 【设计目的】结合高考听说题型的形式呈现，小组成员共同合作完成此任务。通过小组之间的合作讨论学习，让每个学生都能够更加深入地去理解文章内容，从中提高学生的口语表达能力，并培养了学生相互合作学习的精神。

Step 3 Practice（10minutes）

After learning this passage，I think that you know the reasons to choose chemical or organic farming. Please write down your advice. ________________________________________________________________________________________________________________________________________________________________________________________________________________________ Sample:

I prefer organic farming because it is more beneficial to the growth of fruits, vegetables and other crops. It is also good for our health. The following structures may help you. I prefer …… because……

It’s better to……

I don’t like ……because……

If I have a choice I’ll choose……

The advantages are……

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【设计目的】通过写建议的形式，让学生在课堂上能够运用所学的语言知识发表自己的看法，从中提高学生的写作能力。

Step 4 Summary（1minute）

1. The problems caused by chemical fertilizers.

2. Farmers and customers turn to organic farming. 【设计目的】通过简单的总结，让学生再一次巩固本节课所要掌握的知识，并能够清楚知道文章所表现的中心内容。

Step 5 Homework（1minute）

Read the text fluently and prepare to retell the text. 【设计目的】通过布置朗读和复述的作业，让学生在课后能够巩固在课堂上所学的内容；同时提高学生复述的能力，让他们在高考听说考试中更加熟悉故事复述所要注意的问题与标准。

Step 6 Blackboard design 左边

学生1写答案

中间

Book 4Unit2 Working the land Using language—Chemical or organic farming? 1.Problems caused by chemical fertilizers. 2. Methods to keep the soil fertile.

右边

学生2写答案

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