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as the role of Eddie and Hobo. Act a short play with your partner. (ask two or three groups of students to do it.) Would you like to see a UFO? Why? Maybe the UFO would take you to travel in space and visit other pla. If it happened one day, it is an amazing thing. Step 2: wele to the Unit ( show some pictures to teach the new words) Actually there are lots of amazing things in the world. Here are lots of surprising things. For example: 1). Do you know if plants can grow without the lightning? 2). Do you know how long it takes to travel from the Earth to the moon? 3). Do you know if you can sneeze and open your eyes at the same time? 4). Do you know who is the tallest man in the world? 5). Do you know how the elephants walk? 6). Do you know if t