Unit 1 Lesson 1―Lesson 2
Unit 2 Lesson 3―Lesson 4
Unit 3 Lesson 5―Lesson 6
Unit 4 lesson 7―Lesson 8
Unit 5 Lesson 9―Lesson 10
Unit 6 Lesson 11―Lesson 12
Unit 7 Lesson 13―Lesson 14
Unit 8 Lesson 15―Lesson 16
Unit 9 Lesson 17―Lesson 18
Unit 10 Lesson 19―Lesson 20
Unit 11 Lesson 21―Lesson 22
Unit 12 Lesson 23―Lesson 24
**套综合测试题Lesson 1―Lesson 24
Unit 13 Lesson 25―Lesson 26
Unit 14 Lesson 27―Lesson 28
Unit 15 Lesson 29―Lesson 30
Unit 16 Lesson 3l―Lesson 32
Unit 17 Lesson 33―Lesson 3

Unit 1 Lesson 1―Lesson 2
Unit 2 Lesson 3―Lesson 4
Unit 3 Lesson 5―Lesson 6
Unit 4 lesson 7―Lesson 8
Unit 5 Lesson 9―Lesson 10
Unit 6 Lesson 11―Lesson 12
Unit 7 Lesson 13―Lesson 14
Unit 8 Lesson 15―Lesson 16
Unit 9 Lesson 17―Lesson 18
Unit 10 Lesson 19―Lesson 20
Unit 11 Lesson 21―Lesson 22
Unit 12 Lesson 23―Lesson 24
**套综合测试题Lesson 1―Lesson 24
Unit 13 Lesson 25―Lesson 26
Unit 14 Lesson 27―Lesson 28
Unit 15 Lesson 29―Lesson 30
Unit 16 Lesson 3l―Lesson 32
Unit 17 Lesson 33―Lesson 34
Unit 18 Lesson 35―Lesson 36
Unit 19 Lesson 37―Lesson 38
Unit 20 Lesson 39―Lesson 40
Unit 21 Lesson 41―Lesson 42
Unit 22 Lesson 43―Lesson 44
Unit 23 Lesson 45―Lesson 46
Unit 24 Lesson 47―Lesson 48
第二套综合测试题Lesson 25―Lesson 48
Unit 25 Lesson 49―Lesson 50
Unit 26 Lesson 51―Lesson 52
Unit 27 Lesson 53―Lesson 54
Unit 28 Lesson 55―Lesson 56
Unit 29 Lesson 57―Lesson 58
Unit 30 Lesson 59―Lesson 60
Unit 31 Lesson 61―Lesson 62
Unit 32 Lesson 63―Lesson 64
Unit 33 Lesson 65―Lesson 66
Unit 34 Lesson 67―Lesson 68
Unit 35 Lesson 69―Lesson 70
Unit 36 Lesson 71―Lesson 72
第三套综合测试题Lesson 49―Lesson 72
Unit 37 Lesson 73―Lesson 74
Unit 38 Lesson 75―Lesson 76
Unit 39 Lesson 77―Lesson 78
Unit 40 Lesson 79―Lesson 80
Unit 41 Lesson 81―Lesson 82
Unit 42 Lesson 83―Lesson 84
Unit 43 Lesson 85―Lesson 86
Unit 44 Lesson 87―Lesson 88
Unit 45 Lesson 89―Lesson 90
Unit 46 Lesson 91―Lesson 92
Unit 47 Lesson 93―Lesson 94
Unit 48 Lesson 95―Lesson 96
第四套综合测试题Lesson 73―Lesson 96
参考答案

Unit 1 Lesson 1―Lesson 2
Unit 2 Lesson 3―Lesson 4
Unit 3 Lesson 5―Lesson 6
Unit 4 lesson 7―Lesson 8
Unit 5 Lesson 9―Lesson 10
Unit 6 Lesson 11―Lesson 12
Unit 7 Lesson 13―Lesson 14
Unit 8 Lesson 15―Lesson 16
Unit 9 Lesson 17―Lesson 18
Unit 10 Lesson 19―Lesson 20
Unit 11 Lesson 21―Lesson 22
Unit 12 Lesson 23―Lesson 24
**套综合测试题Lesson 1―Lesson 24
Unit 13 Lesson 25―Lesson 26
Unit 14 Lesson 27―Lesson 28
Unit 15 Lesson 29―Lesson 30
Unit 16 Lesson 3l―Lesson 32
Unit 17 Lesson 33―Lesson 34
Unit 18 Lesson 35―Lesson 36
Unit 19 Lesson 37―Lesson 38
Unit 20 Lesson 39―Lesson 40
Unit 21 Lesson 41―Lesson 42
Unit 22 Lesson 43―Lesson 44
Unit 23 Lesson 45―Lesson 46
Unit 24 Lesson 47―Lesson 48
第二套综合测试题Lesson 25―Lesson 48
Unit 25 Lesson 49―Lesson 50
Unit 26 Lesson 51―Lesson 52
Unit 27 Lesson 53―Lesson 54
Unit 28 Lesson 55―Lesson 56
Unit 29 Lesson 57―Lesson 58
Unit 30 Lesson 59―Lesson 60
Unit 31 Lesson 61―Lesson 62
Unit 32 Lesson 63―Lesson 64
Unit 33 Lesson 65―Lesson 66
Unit 34 Lesson 67―Lesson 68
Unit 35 Lesson 69―Lesson 70
Unit 36 Lesson 71―Lesson 72
第三套综合测试题Lesson 49―Lesson 72
Unit 37 Lesson 73―Lesson 74
Unit 38 Lesson 75―Lesson 76
Unit 39 Lesson 77―Lesson 78
Unit 40 Lesson 79―Lesson 80
Unit 41 Lesson 81―Lesson 82
Unit 42 Lesson 83―Lesson 84
Unit 43 Lesson 85―Lesson 86
Unit 44 Lesson 87―Lesson 88
Unit 45 Lesson 89―Lesson 90
Unit 46 Lesson 91―Lesson 92
Unit 47 Lesson 93―Lesson 94
Unit 48 Lesson 95―Lesson 96
第四套综合测试题Lesson 73―Lesson 96
参考答案

Unit 1 Lesson 1―Lesson 2
Unit 2 Lesson 3―Lesson 4
Unit 3 Lesson 5―Lesson 6
Unit 4 lesson 7―Lesson 8
Unit 5 Lesson 9―Lesson 10
Unit 6 Lesson 11―Lesson 12
Unit 7 Lesson 13―Lesson 14
Unit 8 Lesson 15―Lesson 16
Unit 9 Lesson 17―Lesson 18
Unit 10 Lesson 19―Lesson 20
Unit 11 Lesson 21―Lesson 22
Unit 12 Lesson 23―Lesson 24
**套综合测试题Lesson 1―Lesson 24
Unit 13 Lesson 25―Lesson 26
Unit 14 Lesson 27―Lesson 28
Unit 15 Lesson 29―Lesson 30
Unit 16 Lesson 3l―Lesson 32
Unit 17 Lesson 33―Lesson 34
Unit 18 Lesson 35―Lesson 36
Unit 19 Lesson 37―Lesson 38
Unit 20 Lesson 39―Lesson 40
Unit 21 Lesson 41―Lesson 42
Unit 22 Lesson 43―Lesson 44
Unit 23 Lesson 45―Lesson 46
Unit 24 Lesson 47―Lesson 48
第二套综合测试题Lesson 25―Lesson 48
Unit 25 Lesson 49―Lesson 50
Unit 26 Lesson 51―Lesson 52
Unit 27 Lesson 53―Lesson 54
Unit 28 Lesson 55―Lesson 56
Unit 29 Lesson 57―Lesson 58
Unit 30 Lesson 59―Lesson 60
Unit 31 Lesson 61―Lesson 62
Unit 32 Lesson 63―Lesson 64
Unit 33 Lesson 65―Lesson 66
Unit 34 Lesson 67―Lesson 68
Unit 35 Lesson 69―Lesson 70
Unit 36 Lesson 71―Lesson 72
第三套综合测试题Lesson 49―Lesson 72
Unit 37 Lesson 73―Lesson 74
Unit 38 Lesson 75―Lesson 76
Unit 39 Lesson 77―Lesson 78
Unit 40 Lesson 79―Lesson 80
Unit 41 Lesson 81―Lesson 82
Unit 42 Lesson 83―Lesson 84
Unit 43 Lesson 85―Lesson 86
Unit 44 Lesson 87―Lesson 88
Unit 45 Lesson 89―Lesson 90
Unit 46 Lesson 91―Lesson 92
Unit 47 Lesson 93―Lesson 94
Unit 48 Lesson 95―Lesson 96
第四套综合测试题Lesson 73―Lesson 96
参考答案