第一部分：每课一测Test for Unit 1 1
Test for Unit 2 7
Test for Unit 3 15
Test for Unit 4 21
Test for Unit 5 28
Test for Unit 6 35
Test for Unit 7 43
Test for Unit 8 51
Test for Unit 9 58
Test for Unit 10 65
Test for Unit 11 73
Test for Unit 12 82
Key to All Tests 91
第二部分：课文参考译文Unit 1 104
Unit 2 106
Unit 3 108
Unit 4 110
Unit 5 112
Unit 6 114
Unit 7 116
Unit 8 118
Unit 9 120
Unit 10 122
Unit 11 124
Unit 12 126
第三部分：课文参考答案Unit 1 131
Unit 2 136
Unit 3 140
Unit 4 143
Unit 5 146
Unit 6 149
Unit 7 152
Unit 8 155
Unit 9 157
Unit 10 160
Unit 11 163
Unit 12 166
Key to the Two Model Tests 170