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Unit 1? ? ?Meeting Tourists at the Airport
Unit 2? ? ?On the Way to the Hotel
Unit 3? ? ?At the Hotel
Unit 4? ? ?On the Way to the Scenic Spot
Unit 5? ? ?At the Scenic Spot
Unit 6? ? ?On the Way to the Restaurant
Unit 7? ? ?At the Shop
Unit 8? ? ?At the Restaurant
Unit 9? ? ?On the Way Back to the Hotel
Unit 10? ?On the Way to the Airport
Unit 11? ?Seeing Tourists Off at the Airport
Unit 12? ?Handling Emergencies
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