课
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Unit 1 A Picnic by the River
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Unit 2 Let's Recycle!
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Unit 3 Growing Roses
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Unit 4 Bird Watching
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Unit 5 Trees in the Forest
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Unit 6 An Easy Way to Shop
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Unit 7 Cell Phone Messages
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Unit 8 Bubbles in Boiling Water
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Unit 9 The Blue Sky
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Unit 10 A New Camera
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Unit 11 Gold
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Unit 12 The Summer Music Festival
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Unit 13 The School Play
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Unit 14 Ballet Class
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Unit 15 Monet’s Garden
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Unit 16 A Haunted House
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Unit 17 A Big Screen TV
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Unit 18 He’s Famous!
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Unit 19 A Housewarming Party
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Unit 20 Making Music