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英語八年級下翼教版 Unit 5 Go with Transportation 教案 4 Lesson 39 Clean Cars? Teaching Content: Mastery words and expressions: sound, dirty, electric Oral words and expressions: pedal, electricity, present…to… Teaching Aims: about the words and expressions about the transportation. about the development of the transportation. Teaching Important Points: the modal verbs about the possibility and impossibility. Teaching Difficult Points Modal Verbs Teaching Preparation: drawings Teaching Aids: audiotape, flashcards, drawings Type of lesson: new lesson Teaching Procedure: Step1. Lead in the class. The teacher sums the main idea of this unit: “ In this unit, we learn about the trains, bicycles, cars and the other transportation. What we want to see in the futur