Unit1 In the library 1
Lesson 1 1
Lesson 2 4
Lesson 3 6
Lesson 4 8
Unit 2 Water sports 11
Lesson 5 11
Lesson 6 13
Lesson 7 16
Lesson 8 17
Lesson 9 21
Unit 3 Make our world more beautiful! 21
Lesson 10 24
Lesson 11 25
Lesson 12 27
Unit 4 Travel 30
Lesson 13 30
Lesson 14 33
Lesson 15 34
Lesson 16 36
Unit 5 Have e good time! 39
Lesson 17 39
Lesson 18 42
Lesson 19 44
Lesson 20 46
Unit6 Mainly Revision 49
Lesson 21 49
Lesson 22 51
Lesson 23 53
Lesson 24 55
Unit 7 A man who never gave up 58
Lesson 25 58
Lesson 26 60
Lesson 27 62
Lesson 28 64
Lesson 29 67
Unit 8 Merry Christmas! 67
Lesson 30 69
Lesson 31 70
Lesson 32 72
Unit 9 What s it made of? 75
Lesson 33 75
Lesson 34 78
Lesson 35 80
Lesson 36 82
Unit 10 When was it built? 84
Lesson 37 84
Lesson 38 86
Lesson 39 88
Lesson 40 89
Unit 11 Planting trees 92
Lesson 41 92
Lesson 42 94
Lesson 43 96
Lesson 44 98
Unit 12 Mainly Revision 101
Lesson 45 101
Lesson 46 103
Lesson 47 105
Lesson 48 106
Lesson 49 109
Unit 13 The world s population 109
Lesson 50 111
Lesson 51 113
Lesson 52 114
Unit 14 Shopping 117
Lesson 53 117
Lesson 54 119
Lesson 55 120
Lesson 56 122
Unit 15 A doctor for animals 124
Lesson 57 124
Lesson 58 126
Lesson 59 127
Lesson 60 129
Unit 16 The football match 131
Lesson 61 131
Lesson 62 133
Lesson 63 134
Lesson 64 136
Unit 17 The missing necklace 138
Lesson 65 138
Lesson 66 140
Lesson 67 141
Lesson 68 143
Unit 18 Mainly revision 146
Lesson 69 146
Lesson 70 148
Lesson 71 150
Lesson 72 152
Test One（Unit1-3） 155
Test Two（Unit4-6） 162
Test Three（Unit7-8） 169
Test Four（Unit9-11） 177
Test Five（Unit12-15） 184
Test Six（Unit16-18） 191
期中测试 198
期末测试 207
听力材料 216
参考答案 224