Contents Unit 1 School and Friends Unit 2 Teachers and Students Unit 3 Class and Subjects Unit 4 School Life Unit 5 Parents and Children Unit 6 Family and Housework Unit 7 Diet and Health Unit 8 Our Animals Friends Unit 9 Festival and Holiday Unit 10 Rules Around Us Unit 11 Shopping Unit 12 Shopping Online Unit 13 The Famous City in the World Unit14 Travelling Unit15 The Sports Unit 16 The Weather and the Climate Unit 17 The Plants and the Seasons Unit 18 My Hometown and the Country Life Unit 19 Information Technology and the Internet Around Us Unit 20 The Books and Reading Unit 21 The Safety Around Us Unit22 Protect the Environment Around Us Unit 23 Different Customs in Different Countries Unit24 The Famous Person in the World Unit 25 Traditional Stories 答案与解析
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