Unit15 Healthy eating

Unit16 Fire

Unit17 Nature

Unit18 The necklace

Unit19 Jobs

Unit20 Mainly revision

期中综合检测试题

Unit21 Karl Marx

Unit22 Britain and Ireland

Unit23 Rescuing the temple

Unit24 The science of farming

Unit25 At the conference

Unit26 Mainly revision

期末综合检测试题

附录1：能力训练与综合检测试题参考答案

附录2：听力录音材料