必修四Unit2教案南宁十四中肖如

1、教学案例 南宁十四中 肖如Unit 2 Working the landPeriod Four Teaching Design 教学设计Teaching Contest ( 教学内容 ) : ReadingII Chemical or organic farming? Teaching Objectives (教学目标 )：1. To understand the passage.2. To summarize and remember the main idea of the passage.3. To learn some useful words and expressions in t

2、he passage.Teaching important points ( 教学重点 )1. To let students find out the topic sentence of each paragraph.2. To let students summarize and remember the main main idea of the passage.3. To let students find out the useful words and expressions in the passage and learn them by exercises.Teaching d

3、ifficult points( 教学难点 )1.How to help students summarize and remember the main main idea of the passage.2.How to master the language poits .Teaching Procedures ( 教学过程 )Step 1. Lead-in ( 导入)Greetings .Today we are going to have Reading II ,Unit2. Before the reading we are going to review the words and

4、 expressions in the passage. Show the words on the screen and ask the students to read. After the review, come to the text.Step 2. Fast reading Task 1: Read the text after the tape and then discuss the following questions in groups1 Why are chemical fertilizers so popular in farming today? 2What pro

5、blems can be caused by using chemical fertilizers? 3 What is organic farming? 4 What is the main reason for using organic farming methods?.Step 3. Task2: Read the text carefully and underline the topic sentence of each paragraph.Paragraph.1: Paragraph.2: Paragraph.3: Paragraph.4: Step 4. Task3: Writ

6、e down the mainidea of the text._ _ can cause many problems, so _ farming is becoming more popular.Step 5. Careful readingTask4: Find and write down the methods and advantages in the passage. Methods of organic farmingAdvantages of methods1Farmers use natural waste from animals.1This makes the soil

7、richer in minerals and so more fertile.223344Step 6. SummaryTask5 Fill in the blanks.In recent days, scientists have discovered that _ chemical fertilizers for a long time can _ the land and also peoples health. There are several problems _ by chemical fertilizers. They hurt the health of the land,

8、_ in the water for a long time and _ into peoples bodies through their food. _ farming is becoming more _ with some farmers and many customers after these discoveries _ out.Organic farming does not _ any chemicals. There are many organic farming _for making the land healthy and productive. All of th

9、ese methods try to _ good food and to _ the enviornment and people healthy.Step 7. Task6 Find out the useful words and expressions:1 build _ 增强; 建立 完成句子：他们的话增强了我的信心。 Their words _ _ my confidence.2 lead _ 导致；通向 其中to是_词，后面跟_ . 类似的有： 完成句子：1) 吃太多的糖会导致增肥。 Eating too much sugar _ _ much weight. 2）条条大路通罗马

10、。 All roads _ _ Rome.3 focus on _ 完成句子：When studying, he _ _ _ _ ( 集中注意力于) his lessons.4 keep free _ 使免受 完成句子：家长不应该让孩子受到伤害。Parents should _ _ _ _ _ harm.拓展：free 的短语 自由地做 _ 免费 _5 reduce v. _ reduce increase _ ( _ ) 减少到（减少了） 增加到（增加了） 完成句子：1) 汽车数量由40辆减少到30辆。The number of the cars was _ _ 40 _ 30. 2）人口增

11、长了15%。The population has _ _ 15 percent.6 comment n. v. _ make comments on sth. _完成句子：他对我们的建议没有作评论。He _ _ _ _ our proposal.Step 8. Homework1 Read the text again and again.2 Do the exercises.教学反思如何让互动课堂真正动起来？我的体会是：在开展互动课堂时应该遵循的2个原则。一是复杂问题简单化。比如，这节课的难点之一是概括文章大意，本来概括文章大意就不容易，更何况用英语来概括呢？因此要将复杂问题简单化难点问题容

12、易化。我把概括文章大意这一环节的设计成学生容易做到的简简单单完成句子的活动。二是乏味问题趣味化。语言点学习这一环节，是学生觉得乏味的一环。我把这一环节的设计成分组比赛的活动，材料简单容易，活动有趣，让全体学生都参与进来，让互动课堂真正动起来。学生学案Unit2 Working the land ReadingII ( Chemical or organic farming? )导学案 Task 1: Discuss the following questions in groups.1 Why are chemical fertilizers so popular in farming tod

13、ay? 2What problems can be caused by using chemical fertilizers? 3 What is organic farming? 4 What is the main reason for using organic farming methods? Task2: Read the text carefully and underline the topic sentence of each paragraph.paragraph.1: paragraph.2: paragraph.3: paragraph.4: Task3: Write d

14、own the mainidea of the text._ _ can cause many problems, so _ farming is becoming more popular.Task4: Find and write down the methods and advantages in the passage. Methods of organic farmingAdvantages of methods1Farmers use natural waste from animals.1This makes the soil richer in minerals and so

15、more fertile.223344Task5 Summary. Fill in the blanks.In recent days, scientists have discovered that _ chemical fertilizers for a long time can _ the land and also peoples health. There are several problems _ by chemical fertilizers. They hurt the health of the land, _ in the water for a long time a

16、nd _ into peoples bodies through their food. _ farming is becoming more _ with some farmers and many customers after these discoveries _ out.Organic farming does not _ any chemicals. There are many organic farming _for making the land healthy and productive. All of these methods try to _ good food a

17、nd to _ the enviornment and people healthy.Task6 Find out the useful words and expressions:1 build _ 增强; 建立 完成句子：他们的话增强了我的信心。 Their words _ _ my confidence.2 lead _ 导致；通向 其中to是_词，后面跟_ . 类似的有： 完成句子：1) 吃太多的糖会导致增肥。 Eating too much sugar _ _ much weight. 2）条条大路通罗马。 All roads _ _ Rome.3 focus on _ 完成句子：When studying, he _ _ _ _ ( 集中注意力于) his lessons.4 keep free _ 使免受 完成句子：家长不应该让孩子受到伤害。Parents should _ _ _ _ _ h