Unit 1 Teachers'Day 教师节 1
Unit 2 The sports meeting 运动会 7
Unit 3 A good teacher 好老师 15
Unit 4 What were they doing? 他们在做什么？ 25
Unit 5 The accident 事故 32
Unit 6 In the library 在图书馆 39
Unit 7 Mainly revision 复习 46
Unit 8 On the farm 在农场 60
Unit 9 A visit to a factory 参观工厂 69
Unit 10 Mr Green's problem 格林先生的问题 79
Unit 11 A great inventor 一位伟大的发明家 87
Unit 12 Have a good time,Jim! 吉姆，祝你玩得开心！ 96
Unit 13 Merry Christmas! 圣诞快乐！ 104
Unit 14 Mainly revision 复习 112
Unit 15 At home with the twins 双胞胎在家里 129
Unit 16 What's it made of? 它是用什么制造的？ 139
Unit 17 What was it used for? 它用来干什么？ 152
Unit 18 Planting trees 植树 161
Unit 19 Mainly revision 复习 172
Unit 20 The world's population 世界的人口 186
Unit 21 Shopping 购物 196
Unit 22 At the doctor's 在医生诊所 206
Unit 23 The football match 足球赛 214
Unit 24 Mainly revision 复习 223