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?Imagine life without wheels ?Imagine life without telephones ?Imagine life without light bulbs 。 3. 從以下話題中任選一個進行思考并作口頭準備,然后在下一課時口頭匯報。Period 2 Reading (II) Module 2 Science and technology Oxford English Unit 4 Inventions Revision What inventions are described in the following sentences? 1 We can use it to municate with people over long distances. 2 We can make phone calls with it anytime, anywhere. 3 It is perhaps one of the most practical inventions in the 20th century. Now people use it for both work and play. telephone/mobile phone mobile phone puter lift 4 After its invention, we no longer needed to use the stairs. airplane/aircraft air conditioner the underground 5 It cools or warms rooms to make them more fortable for people to stay in. 6 Passengers who use this for transportation no longer need to worry about traffic jams. 7 The Wright brothers invented the first machinepowered model of it. What in