Unit 1 Dreams 1
Unit 2 Friendship 10
Unit 3 Sports 17
Unit 4 Food 31
Unit 5 Family 40
Unit 6 Health 47
Unit 7 Animals 55
Unit 8 Flowers and Plants 62
Unit 9 Environment 71
Unit 10 Seasons 78
Unit 11 Travel 85
Unit 12 Places of Interest 99
Unit 13 Buildings 107
Unit 14 Holidays 115
Unit 15 Fables and Their Values 123
Unit 16 Cultural Symbols 130
Unit 17 Customs 137
Unit 18 Virtues 144
Unit 19 Internet 150
Unit 20 Women 158
Unit 21 Inventions 165
Unit 22 Happiness 173
Unit 23 Stress 180
Unit 24 Famous People 187
Unit 25 Fashion 193
Unit 26 Disaters 201
Unit 27 Education 210
Unit 28 Water 219
Unit 29 World Wonders 228
Unit 30 Energy 236
参考答案 245