Unit 1 That must be a record! 1
Unit 2 Crossing limits 15
Unit 3 The land down under 25
Unit 4 Green world 37
Unit 5 Getting the message 52
Unit 6 Going West 67
Unit 7 A Christmas Carol 81
Unit 8 Learning a foreign language 93
期中测试题 105
Unit 9 Health care 117
Unit 10 American literature 130
Unit 11 Key to success 141
Unit 12 Education 152
Unit 13 The mystery of the Moonstone 164
Unit 14 Zoology 174
Unit 15 Popular youth culture 184
Unit 16 Finding jobs 195
期末测试题 206