目录 Syllabus Unit 01 They Talk in a Whistling Language Unit 02 The Incas Had an Organized Calendar Unit 03 People Used Shells as Money Unit 04 Country or City? Unit 05 Nobody Invented Rock & Roll Unit 06 There Are Twelve Signs of the Zodiac Unit 07 There Is Still Child Labor in Yemen Today Unit 08 The Taj Mahal Is Wonderful Review Test Ⅰ Review Test Ⅱ Audio Script Answer Key
以下为对购买帮助不大的评价