Unit 1 Study Plan 1
Unit 2 Products' Instructions and Maintenance 7
Unit 3 Information 15
Unit 4 Smoking Is Harmful 21
Unit 5 World-known Men 28
Unit 6 Love for Old People 34
Unit 7 Honesty 42
Unit 8 Means of Communication 48
Unit 9 Sources of Energy 55
Unit 10 Sports 62
Unit 11 Interpersonal Communication 69
Unit 12 Food Culture 77
Unit 13 Amusement and Entertainment 84
Unit 14 Manners and Customs 92
Unit 15 Stock 101
Unit 16 Insurance 108
Unit 17 Staying in the United States 115
Unit 18 Internet Learning 121
Unit 19 Art 130
Unit 20 Colourful Life 137
Unit 21 Transportation 144
Unit 22 Britain 151
Unit 23 Addiction 158
Unit 24 Man And Nature 166
Unit 25 Making Suggestions and Choices 172
Unit 26 Friendship 181
Test 1 190
Test 2 197
Test 3 204
Test 4 211