Unit 1 In the library 1
Unit 2 Water sports 5
Unit 3 Make our world more beautiful! 8
Unit 4 Travel 12
Unit 5 Have a good time! 15
Unit 6 Mainly revision 18
期中测试 22
Unit 7 A man who never gave up 25
Unit 8 Merry Christmas! 28
Unit 9 What is it made of? 32
Unit 10 When was it built? 36
Unit 11 Planting trees 39
Unit 12 Mainly revision 43
期末测试 47
Unit 13 The world's population 51
Unit 14 Shopping 54
Unit 15 A doctor for animals 57
Unit 16 The football match 61
Unit 17 The missing necklace 64
Unit 18 Mainly revision 67
综合试题一 70
综合试题二 74
综合试题三 77
综合试题四 80
综合试题五 83
综合试题六 87
录音稿及参考答案 90