亚洲 1
Unit 1 Trip to Japan 1
Unit 2 Trip to Singapore 29
Unit 3 Trip to the Republic of Korea 55
非洲 82
Unit 4 Trip to Egypt 82
南美洲 105
Unit 5 Trip to Brazil 105
北美洲 131
Unit 6 Trip to Canada 131
Unit 7 Trip to the United States of America 153
欧洲 178
Unit 8 Trip to France 178
Unit 9 Trip to Germany 207
Unit 10 Trip to Italy 232
Unit 11 Trip to Russia 255
Unit 12 Trip to the United Kingdom 280
澳洲 306
Unit 13 Trip to Australia 306
Unit 14 Trip to New Zealand 329
Bibliography 356