九年级英语第十三单元部分教案

Unit 13 We’re trying to save the earth!

Section A 1 (2a-2d) 安乐初级中学苏奇上

一、教学目标：

1. 语言知识目标

基本词汇：litter, advantage, bottom, fisherman, coal, ugly, cost, wooden, plastic, takeaway, bin, shark, fin, method, cruel.

Harmful, chain, ecosystem, industry, law, scientific, afford,

reusable, transportation, recycle, napkin, upside, gate,

bottle, president, inspiration, iron, work, metal,

creativity,

基本词组：be harmful to, at the top(of sth.), take part in, turn off, take action, throw away, put sth. to good use, pull… down,

bring back

基本句型：We’re trying to save the earth!

The river used to be so clean.

The air is badly polluted.

No scientific studies have showed that shark fins are good for health.

We should help save the sharks.

2. 技能目标: 能正确运用现在进行时，现在完成时，被动语态，情态动词和used

to 句型。

3. 情感目标:有环境危机意识，学会关注环境保护环境。

二、教学重难点：

1. 教学重点：（1）能正确运用现在进行时，现在完成时，被动语态，情态动词

和used to 句型。

（2）保护环境的措施方法。

2. 教学难点：能正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。

三、教学步骤:

VI. Listening

1. 2a Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.

A. land pollution

B. air pollution

C. noise pollution

D. water pollution

Keys: B A

2. 2b Listen again and complete the sentences.

1) The air is badly polluted because there are ___________ on the road these days.

2) Factories that burn coal also ________ the air with a lot of black smoke.

3) There is also too much rubbish and waste. People _________________ things every day.

4) People are also littering in ______________ like parks. This is turning beautiful places into ugly (丑陋) ones.

Keys: more cars pollute are throwing away public places

3. Listen and answer the questions.

1) Who is the interviewer talking to

2) What are they talking

3) What other problems do they see

Keys: Susan and Jason.

The environmental problems.

There’s too much rubbish and waste in the streets.

VII. Practice (2c)

Use the information in 2a and 2b to role-play conversations between Jason and Susan.

Jason: The air has become really pollute d around here. I’m getting very worried.

Susan: Yes, I used to be able to see stars in the sky.

Jason: The problem is that…

VIII. Discussion

Ask students what we should do to save the earth. Help students answer, turn off the

lights when you leave a room; stop riding in cars; stop using paper towels or napkins; recycle books and paper.

IX. Reading

1. Read 2d and complete the chart.

2. Role-play the conversation.

Interviewer: Jason and Susan, what are your ideas for solving these problems

Jason: Well, to cut down air pollution, we should take the bus or subway instead of driving.

Susan: Yeah, or ride a bike. There are other advantages (优点) of bike riding. It’s good for health and it doesn’t cost (花费) anything! Interviewer: Great ideas! What about waste pollution

Susan: Mmm, I think simple things like bringing a bag to go shopping can help. I started doing that a year ago.

Jason: Me, too. Also, I never take wooden chopsticks or plastic (塑料) forks when I buy takeaway (外卖食品) food. I use the ones at home. Susan: And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone.

Interviewer: So together, our actions can make a difference and lead to