新倮标人教版课件系列 《高中英语》 选修(模块)852
新课标人教版课件系列 《高中英语》 选修(模块）8-5.2
Listening Task 1. P42 The work on early people depends on the dates that are given to the bones found. If the dates are wrong, all the data about early people may also be wrong. So Zhou Heping is very interested to find out how archaeologists make sure their dates are accurate
Listening Task 1: P42 The work on early people depends on the dates that are given to the bones found. If the dates are wrong, all the data about early people may also be wrong. So Zhou Heping is very interested to find out how archaeologists make sure their dates are accurate
I Listen to the tape and fill the layers in the “ waterpaper basket” diagram on the right. 2. Listen to the tape again. Pay attention to the methods archaeologists use to date bones and how those methods work then fill in the chart below
1. Listen to the tape and fill the layers in the “ waterpaper basket” diagram on the right. 2. Listen to the tape again. Pay attention to the methods archaeologists use to date bones and how those methods work, then fill in the chart below
used envelopes wastepaper Yogurt pot Orange skin
Yogurt pot wasterpaper used envelopes Orange skin
Method How it works Each layer looks diferent as they are uncovered, so you can tell Layers in the ground where one layer starts and another inshes. In the waste paper basket. the most recent laver is and older layer is below that and the at the top oldest at the bottom carbon All living things have in their bodies. When they die, the carbon at a rate. The method measures 2 Radiocarbon dating hisappearof carbo fii bones or plants using radioactivity and can ow old the remains are work out
Method How it works 1 Layers in the ground Each layer looks different as they are uncovered, so you can tell where one layer starts and another finishes. In the waste paper basket, the most recent layer is ________, and older layer is below that and the ______ is ___________. 2 Radiocarbon dating All living things have ______ in their bodies. When they die, the carbon _______ at a _______ rate. The method measures ___________ of carbon in bones or plants using radioactivity and can ______ how old the remains are. at the top oldest at the bottom carbon disappear fixed the amount of work out
Listening task 2:p78 The Terracotta warriors are one of the greatest Chinese archaeological finds of the 20th century. Since their discovery in 1974 there has been a great deal of interest in their construction. function and artistic value Amanda peters wants to find out more from her chinese friend, the archaeologist, zhou Lei. about how to preserve them
Listening Task 2: P78 The Terracotta Warriors are one of the greatest Chinese archaeological finds of the 20th century. Since their discovery in 1974 there has been a great deal of interest in their construction, function, and artistic value. Amanda Peters wants to find out more from her Chinese friend, the archaeologist, Zhou Lei, about how to preserve them
Main idea:
Main idea: ____________________________________ ____________________________________ ____________________________________
1. Why is the first problem easier to solve? a The solution is simple b Damp can be easily treated c f only occurs when it is hot D Anew form of chemical protection has been invented
1.Why is the first problem easier to solve? A The solution is simple B Damp can be easily treated C If only occurs when it is hot D A new form of chemical protection has been invented
2. How does the terracotta army show Emperor Qin Shihuang's power? a They are all the size of a man B They are a very impressive sight. C There are copies of 8, 000 different men d Archaeologists think the army is a copy of Emperor Qin Shihuang's real army
2. How does the terracotta army show Emperor Qin Shihuang’s power? A They are all the size of a man B They are a very impressive sight. C There are copies of 8,000 different men D Archaeologists think the army is a copy of Emperor Qin Shihuang’s real army
3. What cause the terracotta warriors to lose their colour? A Sunlight and temperature changes B Damp and temperature changes C Damp and sunlight DAll of the three
3. What cause the Terracotta Warriors to lose their colour? A Sunlight and temperature changes B Damp and temperature changes C Damp and sunlight D All of the three