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課件出示大樹圖片,樹上有單詞,快速說出單詞并說出單詞的過 去式。 ) T: Look at these two bicycles. Can you find the difficulties between them? S:老式自行車,一個輪子大,一個輪子小。 活動過程:將學生分成四人一組來分別討論,并簡單地用英語來陳述掛圖上各種發(fā)明的時間、地點及發(fā)明人。 Step 5 Homework Tell your parents what Invention do you know and write them down. Step 6 Blackboard design Module 4 Unit 2 He invented this bicycle in 1839. Bicycle wheel true 。 3. Read and plete the passage. _____ _____this picture. It’ s a _____. Look at the man _____ the bicycle. He was _____. He _____ this bicycle in _____. 4. Practice True or isn’ t true.(要求學生用手勢來表示 That’ s true. That isn’ t t