Unit 3 Creativity Lesson 8 Good or bad？ 教案

Unit 3 Creativity
Lesson 8 Good or bad?
教材分析
本课是本单元的第二课，主要内容是讨论人类的发明的好处与坏处，要学习的技能是表达自己的观点，和表达对他人观点的态度如支持或反对。通过本课的学习，学生树立辩证的世界观，更流畅地用英语表达自身的观点。
教学目标
【知识目标】
学生能够通过听一段有关发明话题的辩论对话,获取对话中主要人物的观点并记录信息,并能够分辨和理解不同人物的观点。
【能力目标】
学生能够就发明话题口头表达自己的观点并给出原因。
【情感目标】
学生能够辩证地看待发明给人类带来的益处和问题。
教学重难点
【教学重点】
学生听对话获取、记录、理解对话主要人物的观点。
【教学难点】
学生综合运用所学语言表达自己的观点。课前准备
1. 课前准备：调试光盘与课件、给学生分组、为学生布置预习作业等；
2. 教具学具：光盘、大卡片等。
教学过程
Step1. Warm-up
1. Let students identify the inventions on the photos and discuss their benefits and harms. Encourage students to speak out their reasons why they think so.
2. Let students make a preparation for an interview on “Inventions---Good or bad?”.
Step2. Listening
1. Get students to listen to the material first time to obtain speaker’s opinion on inventions.
2. Listen and write A for Andrew or J for Jenny to identify which statements belong to them, respectively.
3. Sum up each speaker’s opinions and write down them.
4. Let students justify whether their opinions are rational or not.
5. Let students listen again and write T or F after the statements in Ex. 4.
6. Put the sentences in the proper places in their mind maps. Let students work in groups.
Step3. Group work
Make an interview on “Inventions---Good or bad?”
1. One group choose a reporter who interviews other group members, and a recorder who take notes of their ideas.
2. The others answer the reporter’s questions, but they should use at least two pieces of information from the listening material.
3. Let students make ideas logical.
4. Students will have 5 minutes to prepare.
5. Drift a contrast table to represent the opinions of both sides.
6. Students make reports on “Inventions---good or bad”.
Step4. Speaking
Teach students how to organize a complete and smooth report.
Example:
Ladies and gentlemen,
I’m honored to be here to make a speech on “Inventions ---good or bad”…
I state the position that/ In my opinion/ I think…
…
Thanks for listening.
Teach the fun_ction sentences for stating opinions to students
Examples:
I support the position that scientists need to quickly increase the number
of new inventions.
In my opinion, scientists should cut down on the number of new inventions.
I disagree.
I don’t agree.
I don’t think so.
Step5. Consolidation
1. Read and complete the conversation with appropriate segments in Ex. 7.
2. Highlight the speech parts standing for opinions and teach their functions.
3. Get students to sort out the affirmative and negative opinions in their eyes.
4. Students act out the dialogue in the groups of 3.
Step6. Debate
Make a debate on playing computer games.
Topic: Playing computer games has more advantages than disadvantages.
1. Divide the class into two sides.
2. Let students try to use the learned expressions to state opinions.
3. Students make the efforts to find strong evidences.
Step7. Language points
1. cut down 裁短； 减少
e.g. He cut down on coffee and cigarettes, and ate a balanced diet.
cut down (on) sth. on可加可不加
2. cause n.原因； 动机； 理由； 事业
vt. 成为…的原因； 导致； 引起； 使遭受
e.g. Smoking is the biggest preventable cause of death and disease.
cause常表示坏事的原因
3. support n./v.支持； 赞同； 拥护
e.g. How did Donna make extra money to support herself?
support既可以表示物质上的支持，也可以表示观点意见的支持
Step8. Homework
Write your opinions on playing computer games.
1. Do you play computer games?
2. What do you think of playing computer games?
3. Why do you think so?