上册 3
Unit One 3
Key to Exercises 3
参考译文 6
Unit Two 9
Key to Exercises 9
参考译文 12
Unit Three 15
Key to Exercises 15
参考译文 18
Unit Four 20
Key to Exercises 20
参考译文 23
Unit Five 26
Key to Exercises 26
参考译文 28
Unit Six 32
Key to Exercises 32
参考译文 35
Unit Seven 38
Key to Exercises 38
参考译文 41
Unit Eight 44
Key to Exercises 44
参考译文 46
下册 51
Unit One 51
Key to Exercises 51
参考译文 54
Unit Two 56
Key to Exercises 56
参考译文 59
Unit Three 61
Key to Exercises 61
参考译文 64
Unit Four 66
Key to Exercises 66
参考译文 69
Unit Five 71
Key to Exercises 71
参考译文 74
Unit Six 77
Key to Exercises 77
参考译文 80
Unit Seven 83
Key to Exercises 83
参考译文 86
Unit Eight 89
Key to Exercises 89
参考译文 92
自测题 97
Test One 97
Key to Test One 105
Test Two 106
Key to Test Two 116
Test Three 118
Key to Test Three 126
Test Four 128
Key to Test Four 136
Test Five 138
Key to Test Five 147