| Unit 1 Climate Change and Environmental Protection Unit 2 Beliefs and Religions Unit 3 Life and Society Unit 4 Crime and Law Unit 5 Marriage and Family， Life Unit 6 Science and Technology Unit 7 International Relations and Conflicts Unit 8 Natural Disasters Unit 9 Arts and Entertainment Unit 10 Sports and Recreation Unit 11 Health and Medicine Unit 12 Economics and Finance Unit 13 Politics and Governments Unit 14 Culture and Education Unit 15 Editorials and Opinions Unit 16 China and the World Key to the Exercises |
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