Unit 1 The Snake Bite Unit 2 He Was My Father Unit 3 Understanding Your Owner Unit 4 Water Cycle Unit 5 Is My Team Ploughing Unit 6 Football Unit 7 The English Countryside Unit 8 Beauty and Career Unit 9 Secret Messages to Ourselves Unit 10 The Life Story of an Ancient Chinese Poet Unit 11 Teenager's Nightmare Unit 12 Have You Seen the Tree? Unit 13 One of These Days Unit 14 New York City Unit 15 The Ageing Population 附录:Key to Phonetic Symbols
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