課本封面:前言和目錄 Unit 1 Past and present Unit 2 Travelling Unit 3 Online tours Unit 4 A good read Project 1 An information folder Unit 5 Good manners Unit 6 Sunshine for all Unit 7 International charities Unit 8 A green world Notes 不規(guī)則動(dòng)詞 課文注釋 單詞表