Unit 1 Animals Unit 2 Food Unit 3 Food&Health Unit 4 Reading Unit 5 Health Unit 6 Love Unit 7 Lifestyle Unit 8 Special Days Unit 9 Holidays Unit 10 School Life Unit 11 People Around Us Unit 12 Famous People (1) Unit 13 Famous People (2) Unit 14 Teenage Issues Unit 15 Interesting Stories Unit 16 Cultures&Customs Unit 17 Internet Unit 18 Future Unit 19 World Special Days Unit 20 Chicken Soup Unit 21 Environment Unit 22 Landmarks(地标) Unit 23 Safety Unit 24 Entertainment Unit 25 Breaking News Unit 26 What Modern Technology Brings Us? Unit 27 Charities&Organizations Unit 28 Science&Technology 参考答案