目录 1
Unit 13 Albert Einstein 1
Unit 14 Satellites 12
Unit 15 A famous detective 23
Unit 16 The sea 38
Unit 17 Life in the future 51
Unit 18 Mainly revision 63
期中测试题 77
Unit 19 A freedom fighter 88
Unit 20 Disability 101
Unit 21 Music 114
Unit 22 A tale of two cities 128
Unit 23 Telephones 141
Unit 24 Mainly revision 153
期末测试题 167
听力部分录音文稿 177
参考答案 190