英语任务型阅读,In Iraq,archaeologists(考古学家) discovered maps that are over 4,300 years

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英语任务型阅读,In Iraq,archaeologists(考古学家) discovered maps that are over 4,300 years
In Iraq,archaeologists(考古学家) discovered maps that are over 4,300 years old.These maps were made of clay(陶土).In China,archaeologists discovered silk(丝绸) maps that are 2,000 years old.However,historians believe that mapmaking in China is much older than 2,000 years.All these maps represented small areas,for example,farmland and towns.
Archaeologists believe that the first map of the world may be a 2,600-year-old clay map from Babylonia (in modern Iraq).Ancient people did not know what the world really looked like,but they had many ideas about it.The Babylonian map shows the Earth as a flat(平的) circle.The circle has a huge ocean with several islands in it.Other ancient maps showed the Earth on the back of a turtle,with four elephants holding the Earth up.
For centuries,people wondered how big the Earth was.But,as they thought the Earth was flat,no one was able to calculate its size.Gradually,however

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