Unit13 Albert Einstein 1
Unit14 Satellites 9
Unit15 A famous detective 16
Unit16 The sea 23
Unit17 Life in the future 30
Unit18 Mainly revision 37
期中综合检测试题 44
Unit19 A freedom fighter 49
Unit20 Disability 56
Unit21 Music 63
Unit22 A Tale of Two Cities 70
Unit23 Telephones 78
Unit24 Mainly revision 85
期末综合检测试题 91
附录：1.能力训练及综合检测试题参考答案 96
2.听力录音材料 102