新视野大学英语读写教程第三版 B3U4 Section A 课后练习答案Pre-reading activities P92 I Nowadays, travelers arriving at the airport are welcomed by I I tall earthen mounds, the tombs of emperors in Western Han Dynasty, built around the Ist century. 2 Thus the year 841 BC marked the beginning of conscious and systematic record keeping. 3 The beacon tower above the Lishan Mountain, where Huaqing Hot Spring is located, is an eternal reminder of the story of the most expensive smile that caused the disappearance of the dy
