Unit 5 Meeting your ancestors Using language.ppt

Read the passage and find out what the possible work division was between man and woman in primitive societies and fill in the chart below. * The work on the early people depends on the dates given to the bones that are 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 that their dates are accurate. 1. Listen to Part 1 of the tape and fill in the layers in the “wastepaper basket” diagram below. yogurt pots orange skin wastepaper used envelopes The waste paper basket 2. Listen to Part 2 and complete the passage. It uses radioactivity to measure the amount of _______ in living things. The _______ in a dead body __________ at a _____ rate. We know how long that takes, so we can measure the amount of _______ and ________ how old a bone is. carbon carbon disappears fixed carbon work out 3. Look at this archaeological drawing of a section showing buildings at different times and work out the order in which they were built. The oldest building is B because it has no layers underneath it. The second oldest building is C because it has one layer underneath it. That layer is the remains of the building in B. The most recent building is building A. It has two layers underneath. They are the remains of buildings B and C. Can you guess what would be eaten on the feast in 18,000 BC? What kind of food did Lala’s family prepare for the feast? nuts, fruits, fish, the deer and pig meat Please decide whether the statements are true or false. 1. Lala’s family groups usually lived together. 2. Dahu was good at making tools. 3. The family groups lived on hunting. 4. Dahu went out to sharpen the scrapers to kill an enemy. F T T F _______ separately ___________ scrape the fish Men’s tasks 1 Making and repairing tools 2 Fishing 3 Hunting animals 4 Protecting the group from harm 5 Cutting down trees Women’s tasks 1 C