【正文】
voyages in China’s history p1 Reasons for sea exploration 2 Han Dynasty East Roman Gan Ying land Spices。 ivory。rhinoceros 3 4 5 sea 6 Transitional para: time was ripe for a grand meeting 79 Next few hundred years Swahili K. sea Ivory。 Du Huan。sugar 751 Arab DuHuan sea Song Shanga Ming East Africa Zhenghe sea Zebras。rhinoceros horns, shells, skins。Reading Reaching out across the ocean Unit Two 1. Why did those navigators take great efforts and risk their lives to explore those unknown worlds? ? For truth ? For wealth 2. What is the famous road by which ancient Chinese merchants did business with other countries? ? The Silk Road Silk Road Ceylon 1. Which continent is frequently mentioned in t