九年级英语上册Unit 2 Topic 3 Section B 教案

　　 Ⅰ. Teaching aims and demands

　　 1. Learn some new words and useful expressions:

　　 ought to, turn off, action, on time.

　　 2. Go on learning to protect the environment.

　　 3. Review giving advice.

　　 Ⅱ. Teaching aids

　　 A tape recorder; a small blackboard

　　 Ⅲ. Teaching method

　　 Five-finger Teaching Plan

　　 Step 1 Review

　　 1. We all should protect the environment around us. We need to reduce the waste we produce. We should use both sides of paper, and reuse plastic bags rather than throw them away, but actions speak louder than words.

　　 Actions speak louder than words.

　　 T: Easier said than done.

　　 2. T: Everybody would like to become a greener person. But it's not easy, how to be a greener ?

　　 S3: Don't use plastic bags. S4: Don't spit in a public place.

　　 S3: Turn off the lights when you leave a room. S4: Save water when you wash your hands. ...

　　 T: According to your views, we know that we can do lots of things to protect the environment at school and at home. For example, we ought to save every drop of water and turn off the lights when we leave a room. We'd better walk or ride a bike while we're traveling a short distance. Take a cloth bag and don't use plastic bags when we go shopping.

　　 ought to=should turn off turn on travel a short distance Step 2 Presentation

　　 1. (1) Let the students listen to the tape and answer the questions.

　　 (1) Would Michael like to be a greener person?

　　 (2) When you go shopping, do you take a cloth bag or plastic bags?

　　 (2) T: Listen to the tape again, and tell Jane's advice.

　　 First, you ought to turn off the lights ... Second, you'd better walk or ride a bike instead of ...

　　 Third, take a cloth bag when ...

　　 2. T: Now, I'll let two students read 1a for us. The others listen carefully, and find out the difficulties you don't understand. Pay attention to the stress and intonation.

　　 It's easy to be a greener person. It's+adj+to do sth. Would you like to be a greener person?

　　 Step 3 Consolidation

　　 1. (1)T: According to the main sentences. Please change the dialog into a short report. You have two minutes.

　　 (2)(Ask the students to retell the dialog)

　　 S1: Michael would like to be a greener person. Jane gives him three pieces of advice. She tells him that he ought to turn off the lights when he leaves a room. when he wants to travel a short distance, he'd better walk or ride a bike, not take a bus or a taxi...

　　 2. T: Please match the letters with the sentences. One minute later, I'll ask a student to give his/her answers, then check our answers together.

　　 T: Boys and girls, please look at the pictures about the daily life. What do they show us? Who can tell us? Hands up!

　　 S2:Picture a shows us that we ought to save electricity. S3:Picture b shows us that ...

　　 S4:Picture c shows us that ... S5: ...

　　 3. T: Very good! Pay attention to our lives around us every day. There are many good habits to save energy or protect the environment. Who can try to tell us? S6:Take care of the wild animals. S7:Don't cut down the trees.

　　 4. T: Make a new dialog like 1a according to the sentences in 1b, practise it with your partner. Later the volunteers act it out.

　　 Example:

　　 S9: Hi, S10. Would you like to be a greener person?

　　 S10: Of course, I'd love to, but what should I do?

　　 S9: First, Reduce waste. Don't buy bottles or boxes which people can use only once.

　　 S10: Oh, that's easy. What's next?

　　 S9: Second, recycle boxes and plastic bottles.

　　 S10:That's right. ...

　　 S9: ...

　　 Step 4 Practice

　　 1. (1)Play the tape for the students to finish the chart.

　　 What time

　　 Where to go

　　 How to go

　　 What to do

　　 (2) T: Listen to the tape and repeat. At the same time, draw a line under the new words and important points.

　　 (3) T: Now, who can guess the meanings of them?

　　 Clean-up Day, on time

　　 (4)

　　 What time 8:00 Where Outside the school gate

　　 How to go By bus Lunch Take food and drink by yourself

　　 What to do Plant trees, collect garbage

　　 T: Look at the form, write a note for Tree Planting Day, then report it in front of the class. You have three minutes to write. OK! Let's begin!

　　 Tomorrow is March 12th, It's Tree Planting Day. We decide to go to West Hill to plant trees. I hope everyone in our class will take an active part in the activity.

　　 We will meet outside the school gate at 8:00 in the morning, then go there by bus. In the afternoon we'll plant trees and collect the garbage. There will be a lot of work to do tomorrow, so make sure you have a good rest tonight. See you tomorrow.

　　 Step 5 Project

　　 1. T: Now, please work in pairs and try to complete 2b.

　　 2. Homework:

　　 (1) Write an article about three Rs.

　　 (2) Tell your family and friends how to save energy.

　　 Design :

　　 Would you like to be a greener person?

　　 Section B

　　 ought to It's easy to be a greener person.

　　 turn off turn on It's+adj+to do sth.

　　 travel a short distance Would you like to be a greener person?

　　 Clean-up Day Easier said than done.

　　 on time Actions speak louder than words.