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约3300字。本单元教案。

　　Lesson 57: Let’s Clean Up!
　　Teaching Content:
　　Mastery words and expressions: yard, rubbish, pick up, bit, a bit of, big
　　Oral words and expressions: garbage, pollution, finish doing, get to work
　　Teaching Aims:
　　1. Let the students understand to protect our environment is our duty.
　　2. We should r school yard clean.
　　Teaching Important Points:
　　1. Know how many ways we can say “garbage”.
　　2. Talt the destroy of the rubbish.
　　Teaching Difficult Points:
　　Some words and expressions, such as: pick up, clean up
　　Teaching Preparation: pictures
　　Teaching Aids: audiotape, flashcards, pictures
　　Type of lesson: new lesson
　　Teaching Procedure:
　　Step1. e to “TALT IT.”
　　Step2. Show the new words to the students. Let the students read the words first. Then let them read after the tape.
　　Step3. Listen to the tape and do Exercise 3 in activity book.
　　Step4. Read the text and check the answers silently. At the same time, answer the following questions:
　　1.  Where are Jenny, Brian and Danny?
　　2.  How’s the weather?
　　3. What do English people call “rubbish”?
　　4. What is Jenny studying in class this week?
　　5. What does the teacher think of Jenny’s idea?
　　Step5. Read the text in roles loudly. Then let some students act it out in front of the class.
　　Step6. Practice
　　Explain some language points to the class. Then ask the students to map sentences with them.
　　1. But look at all of the rubbish!
　　2. Somebody should pick up that garbage!
　　3. It would take too long.
　　4. Each student could clean up a bit of the school yard.
　　5. We would finish cleaning in an hour.
　　Step7. e to “LET’S DO IT.”
　　Work in teams with three or four people. Let some students act their dialogue out in front of the class.
　　Step 8. Homework
　　1. Finish off the exercises in activity book.
　　2. Go on the next reading in the student book.
　　Summary:
　　This lesson is close to our life. Try to take the students out of the classroom and show the garbage to them. Then let them say what they feel about the garbage. Ask them to act the dialogue out in the school yard. Advice the students to pick up the garbage and clean up the school yard.
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