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Unit 8 Save Our WorldLesson 46 Protect our environment 教材分析This lesson focuses on the environment issues. 教学目标【知识与能力目标】Masterywordsandexpressions:yard,rubbish,pickup,bit,abitof,bigOralwordsandexpressions:garbage,pollution,finishdoing,gettowork【过程与方法目标】Talkaboutthedestroyoftherubbish.【情感态度价值观目标】Knowhowmanywayswecansay“garbage”. 教学重难点【教学重点】1. Let the students understand to protect our environment is our duty.2. We should keep our school yard clean.【教学难点】1. Know how many ways we can say “garbage”.2. Talk about the destroy of the rubbish. 课前准备 图片，PPT 教学过程Step1. Come to “THINK ABOUT IT.”Step2. Listen to the tape and fill in the blanks:Our city is clean, but I think we _ things. I think we waste _ the most. People waste water, _. I try not to waste water. I take short _.A bike _ make any pollution. It makes the _ pollution of all types of transportation. Buses make _ pollution, but _ of people can travel on a bus. Buses make _ pollution than cars.Step3. Read the text silently and check the answers. Then read it again and finish the exercises in activity book.1.Why does Liu Yan worry about pollution too much? Because _.A. She doesnt like Dalian B. the air and water are clean in Dalian C. people dont throw garbage on the ground D. Both B and C2.What do people in Dalian waste most?A. Glass B. Paper C. Metal D. Plastic3.How often does a truck pick up the cans and cardboard? _.A. Every day B. Every week C. Never D. Twice a week4.What does Liu think can make the most pollution? _.A. Cars B. Big factories C. Bikes D. Both A and B5.What makes the least pollution of all types of transportation? _.A. Cars B. Buses C. Bikes D. Ships6.How does Liu Yan go to school every day? _.A. On foot B. By bike C. By car D. By busStep4. Play the tape again. Let the students read after it for several times. Ask the students to read the text loudly in class. Step5. PracticeWork in groups. Discuss the following questions. 1.What do you think of the city in which you live?2.Whats your advice to stop pollution?3.Whats your plan to reduce pollution?Step6. Come to “LETS DO IT!”Step7. Homework1.Finish off the activity book.2.Go on the next reading in the student book.略。
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