Unit 1 Teachers’ Day 1
Unit 2 The sports meeting 10
Unit 3 A good teacher 18
Unit 4 What were you doing？ 26
Unit 5 The accident 35
Unit 6 In the library 45
第一学期期中测试 54
Unit 7 Mainly revision 63
Unit 8 On the farm 71
Unit 9 A visit to a factory 79
Unit 10 Mr Green’s problem 88
Unit 11 A great inventor 96
Unit 12 Have a good time，Jim！ 104
第一学期期末测试 112
Unit 13 Merry Christmas！ 126
Unit 14 Mainly revision 137
Unit 15 At home with the twins 147
Unit 16 What’s it made of？ 156
Unit 17 What was it used for？ 165
Unit 18 Planting trees 173
第二学期期中测试 183
Unit 19 Mainly revision 194
Unit 20 The world’s population 204
Unit 21 Shopping 213
Unit 22 At the doctor’s 223
Unit 23 The football match 231
Unit 24 Mainly revision 239
第二学期期末测试 247
参考答案 261