Unit 1 Fundamentals of Interpreting Unit 2 Ceremonial Speeches Unit 3 Tourism Unit 4 Sports Unit 5 Education Unit 6 Culture Unit 7 Economy Unit 8 Foreign Trade Unit 9 China's Foreign Policy and International Relations Unit 10 Questions About Hong Kong, Macao and Taiwan Unit 11 Environmental Protection Unit 12 population, Society and Family Unit 13 China's Ethnic Groups and Religions Unit 14 Medcine Unit 15 Science and Technology Unit 16 Finance.