Unit1 1
Comprehensive Course 1
Text A 1
Text B 5
Skills 8
Key to the Exercises 11
参考译文 19
Extensive Course 21
Notes 21
Key to the Exercises 23
Unit 2 25
Comprehensive Course 25
Text A 25
Text B 31
Skills 37
Key to the Exercises 40
参考译文 48
Extensive Course 50
Notes 50
Key to the Exercises 53
Unit 3 54
Comprehensive Course 54
Text A 54
Text B 60
Skills 64
Key to the Exercises 66
参考译文 75
Extensive Course 77
Notes 77
Key to the Exercises 79
Unit 4 81
Comprehensive Course 81
Text A 81
Text B 85
Skills 91
Key to the Exercises 92
参考译文 101
Extersive Course 103
Notes 103
Key to the Exercises 105
Unit 5 106
Comprehensive Course 106
Text A 106
Text B 113
Skills 117
Key to the Exercises 119
参考译文 128
Extensive Course 130
Notes 130
Key to the Exercises 133
Unit 6 134
Comprehensive Course 134
Text A 134
Text B 140
Skills 144
Key to the Exercises 145
参考译文 153
Extensive Course 154
Notes 154
Key to the Exercises 157
Unit 7 158
Comprehensive Course 158
Text A 158
Text B 163
Skills 168
Key to the Exercises 170
参考译文 178
Extensive Course 180
Notes 180
Key to the Exercises 182
Unit 8 183
Comprehensive Course 183
Text A 183
Text B 188
Skills 193
Key to the Exercises 196
参考译文 204
Extensive Course 206
Notes 206
Key to the Exercises 208
Unit 9 209
Comprehensive Course 209
Text A 209
Text B 214
Skills 219
Key to the Exercises 222
参考译文 230
Extensive Course 232
Notes 232
Key to the Exercises 235
Unit 10 236
Comprehensive Course 236
Text A 236
Text B 240
Skills 244
Key to the Exercises 245
参考译文 254
Extensive Course 256
Notes 256
Key to the Exercises 259