97. The Bronze Age p.161

　　While on an expedition in western China twenty years ago， some explorers discovered the mummies of a tall， red-haired people. Though estimated¹ to be nearly 4，000 years old， the corpses² were quite well preserved. Scientists are excited because these mummies are a link between the East and the West. What were redheads doing in China and who were they？

　　Though the answers to these questions may never be answered with certainty³， these mummies provide new information about the Bronze Age， when men used tools and weapons made of bronze. This was the period between the Stone Age and the Iron Age. As the explorers continue their work， new mysteries are waiting to be discovered.

　　That old man aged⁴ beautifully.

　　to come of age 成气候，成年     Some writers do not come of age until they are 50.

　　The Chinese are a peace-loving people.   a people 民族

　　She is a big-eyed girl.

　　preserved pork 腊肉

　　Caucasian 高加索人，白种人（white race）           Mongoloid 蒙古人，黄种人

　　be made of 性质不变     be made from

　　wine 水果葡萄酒

　　The boys enjoys going on a long train journey/trip.

　　a piece of evidence （不可数）