上册 3
Unit One 3
Key to Exercises 3
参考译文 5
Unit Two 8
Key to Exercises 8
参考译文 10
Unit Three 14
Key to Exercises 14
参考译文 16
Unit Four 20
Key to Exercises 20
参考译文 22
Unit Five 25
Key to Exercises 25
参考译文 27
Unit Six 31
Key to Exercises 31
参考译文 33
Unit Seven 36
Key to Exercises 36
参考译文 38
Unit Eight 41
Key to Exercises 41
参考译文 43
下册 49
Unit One 49
Key to Exercises 49
参考译文 51
Unit Two 54
Key to Exercises 54
参考译文 56
Unit Three 60
Key to Exercises 60
参考译文 62
Unit Four 66
Key to Exercises 66
参考译文 68
Unit Five 74
Key to Exercises 74
参考译文 76
Unit Six 80
Key to Exercises 80
参考译文 82
Unit Seven 86
Key to Exercises 86
参考译文 88
Unit Eight 92
Key to Exercises 92
参考译文 94
自测题 101
Test One 101
Key to Test One 112
Test Two 114
Key to Test Two 126
Test Three 127
Key to Test Three 139
Test Four 141
Key to Test Four 150
Test Five 152
Key to Test Five 162