Unit One 1
Key to Exercises 1
参考译文 3
Unit Two 6
Key to Exercises 6
参考译文 8
Unit Three 12
Key to Exercises 12
参考译文 14
Unit Four 18
Key to Exercises 18
参考译文 20
Unit Five 23
Key to Exercises 23
参考译文 25
Unit Six 29
Key to Exercises 29
参考译文 31
Unit Seven 34
Key to Exercises 34
参考译文 36
Unit Eight 39
Key to Exercises 39
参考译文 41
Unit Nine 44
Key to Exercises 44
参考译文 46
Unit Ten 49
Key to Exercises 49
参考译文 51
Unit Eleven 55
Key to Exercises 55
参考译文 57
Unit Twelve 61
Key to Exercises 61
参考译文 63
Unit Thirteen 69
Key to Exercises 69
参考译文 71
Unit Fourteen 75
Key to Exercises 75
参考译文 77
Unit Fifteen 81
Key to Exercises 81
参考译文 83
Unit Sixteen 87
Key to Exercises 87
参考译文 89
自测题 95
Test One 95
Key to Test One 106
Test Two 108
Key to Test Two 120
Test Three 121
Key to Test Three 133
Test Four 135
Key to Test Four 144
Test Five 146
Key to Test Five 156
大学英语模拟试题 158
大学英语模拟试题参考答案 169