内容简介
Unit 13 Healthy eating
Unit 14 Festivals
单元检测1
Unit 15 The necklace
Unit 16 Scientists at work
单元检测2
Unit 17 Great women
Unit 18 New Zealand
单元检测3
Unit 19 Modern agriculture
Unit 20 Humour
单元检测4
Unit 21 Body Ianguage
Unit 22 A world of fun
单元检测5
综合测试卷
听力材料
参考答案