Unit 1 Academic Life 1
Unit 2 Love and Marriage 11
Unit 3 Internet 20
Unit 4 Health 32
Unit 5 Famous Scientists 43
Unit 6 Sports 53
Unit 7 Environmental Protection 65
Quiz 1 75
Unit 8 Festivals and Holidays 80
Unit 9 Disasters 89
Unit 10 Social Communication 97
Unit 11 Culture and Cultural Awareness 106
Unit 12 Terrorism 116
Unit 13 Entertainment 126
Unit 14 Science and Technology 138
Quiz 2 149