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IV Sum up T: What do we learn today? Encourage the Ss to make a brief summary. Homework: 1. Read the dialog after the tape. 2. Write about other inventions after class. basketball an American 1891 piano an Italian 1709 phone an American 1876 Look at ___ ____. He’s __ _______. He invented ____ ________ in ____. Look at this man . He’s Chinese. He invented Chang’s Smeismograph in 132. Blackboard design: Module4 Unit 2 An English man invented this bicycle in 1839.