高中英语外研版 (2019)必修 第二册Unit 6 Earth first教案设计

这是一份高中英语外研版 (2019)必修 第二册Unit 6 Earth first教案设计，共5页。

新外研社（19）高中英语必修二
Unit 6 Earth first-Presenting ideas教案
Teaching objectives:
1. Enable students to review the words related to dealing with environmental problems.
2. Guide students to present your ideas about what you can do to deal with an environmental problem.
3. Lead students to know how to write a persuasive letter.
4. Help students to raise the awareness that it is everyone’s duty to protect the environment.
Evaluation objectives:
1. Ask students to present their ideas about the environmental issues and solutions to check whether they can express their ideas properly and whether they can feel the importance of protecting the environment.
2. Ask students to write a persuasive letter to check whether they master how to write one.
Teaching key and difficult points:
1. Learn how to write a persuasive letter.
2. Write a persuasive letter.
Teaching methods:
Cooperative Teaching Method, Task-based Approach, Communicative Approach
Teaching procedures:
Step1:Review some expressions related to environmental problems
Translate the following sentences:
1.其他人开始肆无忌惮地捕杀鲨鱼。
2.1975年后,美国大型鲨鱼的数量迅速下降,这一趋势很快蔓延到全球。
3.今天,随着我们越多地了解鲨鱼,更多的人比以往想要保护它们以防灭绝。
4.近年来,我们看到大片的湿地被人类活动所破坏。
5.种树能大大地减少温室效应。
6.通过运用可重复利用的产品减少浪费。
7.努力减少碳的足迹且使用可再生的能源。
8.你用的能量越少,二氧化碳释放的就越少。
9.政府正在采取措施尽可能多地减少雾霾。
10.工厂必须遵守它们用什么化学药品的规则。
11.在一些城市,人们开车进入中心需要交费。
Suggested answers:
1.Other people started fishing for sharks,killing as many as they could.
2.After 1975,the number of large sharks around America fell quickly,and soon fell around the world.
3.Today,as we learn more about sharks,more people than ever want to protect them from extinction.
4.In recent years,we have seen large areas of wetland that were damaged by human activity.
5.Planting trees can help a lot in reducing the greenhouse effect.
6.Reduce waste by choosing reusable products.
7.Try to reduce your carbon footprint and use renewable energy.
8.The less energy you use,the less carbon dioxide is released.
9.The government is taking measures to reduce smog as much as possible.
10.Factories must follow rules about what chemicals they use.
11.In some cities,people have to pay to drive in the centre.
Step 2:Present your ideas
Prepare a talk according to the following commands and guidance.
★What’s the environmental problem you will mention?　
★What causes it?
★How to solve it?
Useful expressions:
◆lead to/bring out/contribute to
◆be concerned about
◆would like to suggest
◆We hope that...
◆One of the reasons is that...
◆In order to improve the situation,we should...
◆replace...with...
◆as far as I am concerned
◆reusable bags
◆on foot/by bike
◆limited resources
◆offer an alternative to...
◆make joint effort
◆raise people’s awareness of
◆appeal to sb.to do sth.
T:Now, if I ask you to call on the public to do as you advise people to do, how will you organize your language. That is to say, you should know how to write a persuasive letter. Now let’s look at an example.
Step 3:Write a persuasive letter
Task 1:Read the passage on Page 71 and answer the following questions.
1.What is the purpose of the letter?
2.What is the existing problem?
3.What are the proposed actions from Class 8?
Suggested answers:
1.To call on everyone to take part in the Clear Your Plate campaign.
2.Over 30% of the world’s food is wasted,while many people in poor areas do not have enough to eat.
3.Do not order more than you need in the school canteen;order less and take leftover food home when dining in restaurants;call on family members and friends to take part in the campaign.
Task 2:Work in groups.Discuss another environmental issue about how to write a persuasive letter and make notes.
※Problem:
※Cause(s):
※Solution(s):
Task 3:Think about another environmental issue and ask students to join in the campaign related to the issue (for example,the No Bottled Water campaign) and write a persuasive letter with the help of these expressions(100-120 words).
The letter should include the following aspects:
※Problem:
※Cause(s):
※Solution(s):
Useful expressions:
We are writing this letter to raise your awareness of...
We are concerned that...
We would like to suggest...
We hope that you will consider...
One of the reasons for this is...
In order to improve the situation,we should...
Suggested answers:
Dear Friends,
We are writing this letter to raise your awareness of the need to protect our planet.You can help simply by participating in the No Bottled Water campaign.People tend to think bottled water is cleaner and more convenient.However,they may not know that according to scientific research,millions of tons of plastic are used worldwide to make water bottles each year.The plastic can take hundreds of years to break down.
If you are worried about the effects of bottled water on the Earth,we would like to suggest you take the following steps:
1.Carry your water in a sustainable,reusable bottle.In this way,you don’t need to buy bottled water.
2.If you have to purchase a plastic bottled beverage,recycle the bottle after use.
3.Ask your family members and friends to take part in this campaign.
Everyone is responsible for making our planet cleaner and better by doing what we can.Let’s start now.
With best wishes,
Class 29
Homework:
1. Polish the summary and check the grammar and spelling mistakes in groups.
2. Transform your speech into a short passage（within 100 words）
教学反思：
1. 通过本节课的学习，学生能够理解并掌握有关环境问题以及解决方案的词汇。
2. 通过本节课的学习，学生能够恰当应用表示原因与措施的表达。
3. 通过本节课的学习，学生能够加深对单元主题的理解，提高语言应用的能力，实现知识与思维能力的迁移。