高中英語unit5meetingyourancestors聽力原文練習(xí)新人教版選修8-閱讀頁
2024-12-09 18:10本頁面
【正文】 is more scientific. It uses radioactivity to measure the amount of carbon in living things. The carbon in a dead body disappears at a fixed rate. We know how long that takes, so we can measure the amount of carbon and work out how old a bone is. ZH: That39。s very clever. Is it accurate too? RL: There are some problems with very old bones, so you are always given two dates. ZH: How does that work? RL: Well, the date for a bone may be between 9,900 years and 10,100 years old. ZH: I see! How old are the bones in the Zhoukoudian caves? RL: They are between 250,000 and 400,000 years old. ZH: Perhaps we could visit the site together sometime? RL: Of course. Whenever you like! WorkbookListening MORE NEWS ABOUT THE TERRACOTTA WARRIORS Amanda Peters (AP) wants to find out about how to preserve the terracotta warriors from her Chinese friend, Zhou Lei (ZL), an archaeologist. Listen again and fill in the blanks. AP: Where did you go for your holiday, Zhou Lei? ZL: I went to visit the terracotta warriors and found out more about the research to preserve the statues. AP: You’re so lucky! I39。m afraid that those statues that lost their colour can’t get it back? ZL: Sadly, no. But this breakthrough has helped deal with another problem. AP: What39。s that? FP: Because they believed the spirit of one39。m sure that made people behave themselves ... (fade out)
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