Unit 1 Education and Development 1
Unit 2 Tourism and Leisure 36
Unit 3 Spots and Games 74
Unit 4 Population and Society 104
Unit 5 Art and Culture 136
Unit 6 Environment Protection 171
Unit 7 Science and Technology 207
Unit 8 Trade and Finance 241
Unit 9 International Relations 285
Unit 10 Speeches and Remarks 331