Unit 1 In the library 1
Lesson 1 2
Lesson 2 2
Lesson 3 3
Revision(Lessons 1-4) 4
Unit 2 Water sports 8
Lesson 5 9
Lesson 6 9
Lesson 7 10
Revision(Lessons 5-8) 11
Unit 3 Make our world more beautiful! 15
Lesson 9 16
Lesson 10 16
Lesson 11 17
Revision(Lessons 9-12) 17
Unit 4 Travel 22
Lesson 13 23
Lesson 14 23
Lesson 15 24
Revision(Lessons 13-16) 25
Unit 5 Have a good time! 30
Lesson 17 31
Lesson 18 31
Lesson 19 32
Revision(Lessons 17-20) 33
Unit 6 Mainly revision 37
Lesson 21 38
Lesson 22 38
Lesson 23 39
Revision(Lessons 21-24) 40
Unit 7 A man who never gave up 45
Lesson 25 46
Lesson 26 46
Lesson 27 47
Revision(Lessons 25-28) 47
Unit 8 Merry Christmas! 52
Lesson 29 53
Lesson 30 53
Lesson 31 54
Revision(Lessons 29-32) 55
Unit 9 What iS it made of? 59
Lesson 33 60
Lesson 34 60
Lesson 35 61
Revision(Lessons 33-36) 61
Unit 10 When was it built? 66
Lesson 37 67
Lesson 38 67
Lesson 39 68
Revision(Lessons 37-40) 68
Unit 11 Planting trees 74
Lesson 41 75
Lesson 42 75
Lesson 43 76
Revision(Lessons 41-44) 76
Unit 12 Mainly revision 81
Lesson 45 82
Lesson 46 82
Lesson 47 83
Revision(Lessons 45-48) 83