外研版九年级英语上册Module 12 Unit 3-2 Language in use 教案

Module 12 Save our world
Unit 3 Language in use-2
一、教学目标
1. 从听、说、读、写四方面继续巩固本单元关于环保的话题。
2. 巩固构词法（复合词、派生词和词性转换）、扩大词汇量。
3. 通过阅读文章，理解环保倡议活动，并能提出自己的环保倡议并积极付出实际行动。
4. 通过小组环保话题的讨论，能够提出观点，增强环保意识，和同学一起加入环保行列。
二、教学重点及难点
重点：1. 应用构词法猜测文章中生词的含义，扩大词汇量。
2. 在写作中运用适当的句型提出建议，并简要说明理由。
难点：在写作中运用适当的句型提出建议，并简要说明理由。
三、教学准备
多媒体课件
四、相关资源
五、教学过程
Step I Warm-up
1. Brainstorming
T shows some words and ask Ss in groups to make more new words.
Then check the answers as a class.
2. Grammar
T shows more examples of prefix and suffix.
设计意图：带领学生梳理所学知识，继续巩固构词法。
Step II Production
Activity 6
1. Look and say.
T shows the pictures of dustbins for recycling and talk about them with Ss.
2. Ask Ss to discuss the answers to the questions with a partner.
3. When pairs have discussed all the four questions, discuss and compare ideas as a class.
设计意图：围绕环境保护主题，用问答或讨论形式达到语言从输入到输出的转变。
Step III Practice
Activity 7
1. Ask Ss to read the expressions in the box and elicit gestures to indicate the meaning of each expression.
2. Tell Ss to complete the conversation with the correct form of the expressions.
3. Check answers as a class.
设计意图：在活动中巩固了本单元重点短语的理解和运用。
Activity 8
1. Ask Ss to listen to a passage about how to reduce, reuse and recycle.
2. Let Ss read through the sentences first. Ask them to predict which sentences are likely to be true in the listening passage.
3. Listen and check the correct sentences.
4. Check answers as a class.
设计意图：继续围绕模块话题通过听力练习巩固加深，为接下来的写作做支撑。
Activity 9
1. Ask Ss to read the table and try to complete it from memory.
2. Tell Ss to compare their answers with a partner, then play the recording again for them to check their answers.
3. Check answers as a class.
设计意图：练习在听力中理解并找出细节信息的能力。
Around the world
1. Ask Ss to look at the photos and discuss the question.
What does this poster mean
2. Tell Ss to read the passage very quickly and answer the questions.
设计意图：通过阅读有关地球一小时活动，理解文章并巩固本单元环保主题。
Cultural Background
Introduce the origin and significance of world environment day.
设计意图：通过介绍世界环境日的由来和意义，帮助学生了解相关文化背景知识。
Step IV Production
Activity 10
1. Put Ss in small groups and ask them to list different kinds of pollution.
2. Ask Ss to decide upon the kind of pollution their group would like to talk about.
Activity 11
1. Tell Ss to follow the instructions and discuss their topic and one of them need to take notes.
2. The group prepare a short presentation on the type of pollution they have chosen.
Activity 12
Ask Ss to give their presentations to the whole class.
设计意图：以绿色环保为话题，讨论如何从自己做起保护环境，任务与学生的生活息息相关，学生在小组合作中相互讨论交流，唤起学生的环保意识。
Step V Exercise
Ss do some exercises.
1. It was such a ________ (wonder) movie that all of us enjoyed it.
2. It is _________(possible) to buy things without money.
3. Hamburgers are_________ (health) food.
4. Let’s hope that all our troubles will ________(appear) soon.
5. The local people are________ (thank) that the whole nation are helping them rebuild the town.
6. He is too _______ (care) to pass the final exam.
设计意图：在练习中巩固本节课所学内容。
Step VI Summary
英语中常见的构词法：
1. 合成法
2. 派生法（加前缀、后缀）
3. 转化法（词性变词形不变）
设计意图：带领学生梳理所学知识，方便学生课后巩固复习。
Step VII Homework
1. Find out more information about pollution and how to protect our world.
2. Finish your composition: How to protect our world
六、板书设计
Module 12 Save our world
Unit 3 Language in use -2
英语中常见的构词法：
1. 合成法
2. 派生法（加前缀、后缀）
3. 转化法（词性变，词形不变）