Unit 13 Albert Einstein 1
Unit 14 Satellites 12
Unit 15 A Famous Detective 22
Unit 16 The sea 32
Unit 17 Life in the future 42
Unit 18 Mainly revision 55
Mid-term examination 68
Unit 19 A freedom fighter 76
Unit 20 Disability 87
Unit 21 Music 98
Unit 22 A tale of two cities 106
Unit 23 Telephones 116
Unit 24 Mainly revision 125
Final examination 134
Tapescript and key 142