Text A Pollution 1
Unit 1 1
Unit 2 1 8
Text B Our Polluted Planet 13
Text C Water 16
Text A Secrets of Straight-A Students 18
Text B What Teachers Want Your Child to Know 32
Text C 5 Benefits of Encouraging Your Child's Imagination 35
Text A A Good Heart to Lean on 37
Unit 3 37
Text B Revenge 51
Text C A Brother like that 54
Unit 4 56
Text A Body Language 56
Text B Brain Controls Communication 69
Text C Symbols 71
Test Yourself 73
Test Paper 73
Text A An Impression of Zhu Diwen 83
Unit 5 83
Text B The Marriotts 96
Text C Charlotte Church 98
Unit 6 100
Text A I don't have a kangaroo for a pet 100
Text B Getting used to life in the United States 113
Text C What time is it? 116
Unit 7 118
Text A The Second Chance of Spots 118
Text B World Champion in the Making 131
Text C Keep the Torch Burning 134
Unit 8 136
Text A AI's Future in Go 136
Text B Robocopters 151
Text C What's Bluetooth? 153
Test Yourself 154
Test Paper 2 154
Appendix 165
Key to Test Paper 1 165
Key to Test Paper 2 166
Glossary 168