BandⅠ Unit 1 Early Bird Unit 2 Suntan and Society Unit 3 Settling down in England Unit 4 The Planet Mercury Unit 5 Where to Eat,Drink and Meet? Unit 6 Balance of Nature …… Band Ⅱ Unit 1 Museums in the Modern World Unit 2 Sales Representative Unit 3 Engineer Unit 4 Contemporary American Society Unit 5 A Marriage of Convenience Unit 6 Clocks Through Time …… Keys · · · · · · (收起)