Unit 1 National Customs民族習(xí)俗 Unit 2 Village and City Life鄉(xiāng)村與城市生活 Unit 3 Early Memories童年回憶 Unit 4 Education教育 Unit 5 National and Local Produce and Products 全國和地方性的物產(chǎn)和產(chǎn)品 Unit 6 Pollution and Recycling 污染與資源再利用 附錄一 Grammar Reference參考語法 附錄二 Sentence Patterns 句型總結(jié) 附錄三 Vocabulary 詞匯表