Unit 1 Study Plan Unit 2 Products’Instructions and Maintenance Unit 3 Information Unit 4 Smoking Is Harmful Unit 5 worid-known Men Unit 6 Love for Old People Unit 7 Honesty Unit 8 Means of Commuflication Unit 9 Sources of Energy Unit 10 Sports Unit 11 Interpersonal Communication Unit 12 Food Culture Unit 13 Amusement and Entertainment Unit 14 Manners and Customs Unit 15 Stock Unit 16 Insurance Unit 17 Staying in the United States Unit 18 Internet Learning Unit 19 An Unit 20 Colourful Lifc Unit 21 Transportation Unit 22 Britain Unit 23 Addiction Unit 24 Man And Nature Unit 25 Making Suggestions and Choices Unit 26 Friendship Test 1 Test 2 Test 3 Test 4