北师大版 (2019)选择性必修 第一册Lesson 2 War on Plastic Packets教案

Unit 3 Conservation

Lesson 2 War on Plastic Packets

教学目标与核心素养：

知识目标：Students can learn some new words.

能力目标：Students can listen for general understanding and specific information.

情感目标：Students can think individually and learn cooperatively.

教学重难点

教学重点：How to learn the new words.

教学难点：Howto improve students' listening skills.

课前准备：多媒体，黑板，粉笔

教学过程：

一、Pre-listening

1. Greeting

2. Leading-in

教师活动：

ACTIVATE AND SHARE:

Ask students to have a group work:

Do you often use plastic packets and boxes? What are the advantages and disadvantages of using them? Use the words and phrases to help you.

convenient         wasteful and unnecessary    terrible for the environment

environmentally      friendly                   recyclable

to keep the product lasting longer       to keep the product fresh/ clean

Ask for volunteers to share their ideas.

(Suggested Answers:

A lot of things we buy in the supermarket are in plastic packets and boxes. It's convenient to buy meat or fruit or vegetables that are in packets or boxes because it makes shopping quicker and it keeps the products fresh and helps it last longer. However, it is wasteful as most people don't recycle the packets.)

(2) 教师引导学生读题

Look at exercise 2 and skill builder, pay attention to identifying opinions.

二、  While- listening

1. 学生活动：完成练习。

LISTEN FOR UNDERSTANDING:

You are going to listen to two people, Kevin and Alicia, talking about plastic packets. Use the Skill Builder to decide whose opinion each statement is from. Write K (Kevin) or A (Alicia).

1. It is stupid to wrap coconuts in plastic. (    )

2. Plastic packaging keeps the product fresh. (    )

3. Plastic packaging is bad for the environment. (    )

4. The packaging should be recyclable. (    )

5. We should do away with packagingcompletely. (    )

6. Refillable containers are not convenient. (    )

(Answers: 1. K  2. A  3. K  4. A  5. K  6. A)

2. 学生活动：完成练习。

Listen again and decide if they are for or against plastic packaging and find out their reasons. Then role-play Kevin and Alicia.

(Answers:

Kevin: Against

the most stupid example; wasteful and unnecessary; tough shell; never recycles; for the environment; full of plastic waste; end ups swallowing the plastic and dying

Alicia: For

a reason for this; in the best condition; keep the product fresh; will last longer; has other uses; getting into other food; clean; right kind)

3. 学生活动：回答问题。

Listen again. Answer the questions.

1. What did Kevin see in the supermarket?

2. What does Kevin think about this?

3. What solution does Alicia suggest?

4. What does Kevin suggest?

 (Answers:

1. He saw each coconut was wrapped in clear, thin plastic.

2. It's stupid and wasteful.

3. Using recycled packaging.

4 He suggests we should do away with packaging completely and take our own refillable containers.)

FOCUS ON FUNCTION: MAKING AND ACCEPTING SUGGESTIONS

4. 学生活动： 回答问题。

Listen to the conversation and answer the following questions.

1. What are Lisa and Amy talking about in their conversation?

2. What kind of wastes did they simply throw away that can be reused or recycled?

3. Are they alone in action to protect the environment?

(Answers:

1. They are talking about how to become more environmentally aware.

2. They easily throw away newspapers and glass bottles.

3. No, there are lots of groups of people online who share ideas on how to reduce and recycle and who are committed to contributing to a better future for our planet.)

5. 学生活动：完成表格。

Listen again and complete the table.

6. 学生活动：完成练习。

Listen and imitate. Complete the Talk Builder.

Making and Accepting Suggestions

1. ______________ try to cook for ourselves more often.

2. ______________ like a good start.

3. ______________ sort our rubbish and take it to a recycling centre from now on.

4. Wonderful! ______________these are all realistic andachievable steps…

(Answers:

1. We should

2. That sounds

3. Let's

4. I think)

三、After-listening

SPEAK

学生活动：Group work:

Online shopping is becoming more and more popular. However, it produces lots of unrecyclable packaging. What solution do you have to this problem?

四、Summary

重点词汇：convenient, set out, stop…from

重点句型：keep＋宾语＋宾语补足语

五、Homework

Write a short passage to express your solutions for unrecyclable shopping packaging.