Unit 1 Academic Life 1
Unit 2 Love and Marriage 7
Unit 3 Internet 15
Unit 4 Health 22
Unit 5 Famous Scientists 29
Unit 6 Sports 38
Unit 7 Environmental Protection 47
Quiz 1 56
Unit 8 Festivals and Holidays 62
Unit 9 Disasters 71
Unit 10 Social Communication 79
Unit 11 Culture and Cultural Awareness 87
Unit 12 Terrorism 95
Unit 13 Entertainment 103
Unit 14 Science and Technology 111
Quiz 2 118