Unit 01 Been around the world? 1
Unit 02 Rewind 9
Unit 03 Eureka! 17
Revision 01-03 25
Unit 04 Fast forward 29
Unit 05 Your cup of tea? 37
Unit 06 Guilty as charged 45
Revision 04-06 53
Unit 07 Mother Nature 57
Unit 08 Let the fun begin! 65
Unit 09 Dig in! 73
Revision 07-09 81
Unit 10 Our four-legged friends 85
Unit 11 What's up,Doc? 93
Unit 12 Where the heart is 101
Revision 10-12 109
Unit 13 Art works 113
Unit 14 On the couch 121
Unit 15 Stop to shop 129
Revision 13-15 137
Listening transcripts 141
Additional reference 159
Workbook(Teacher's Edition) 201
Unit 01 Been around the world? 203
Unit 02 Rewind 209
Unit 03 Eureka! 215
Unit 04 Fast forward 221
Unit 05 Your cup of tea? 227
Unit 06 Guilty as charged 233
Unit 07 Mother Nature 239
Unit 08 Let the fun begin! 245
Unit 09 Dig in! 251
Unit 10 Ourfour-legged friends 257
Unit 11 What's up,Doc? 263
Unit 12 Where the heart is 269
Unit 13 Art works 275
Unit 14 On the couch 281
Unit 15 Stop to shop 287
Key to supplementary exercises 293