精选优质文档-倾情为你奉上Unit1 Archimedes and the golden crownOne day in ancient Greece, King Hiero asked a crown maker to make him a golden crown. At first, he was very happy with it. Its a nice crown, isnt it? he asked his men. Later, however, he began to doubt that it was a real golden crown. Is it made completely of gold? he wondered. He sent it to Archimedes and asked him to find out the truth.This problem seems difficult to solve. What should I do? thought Archimedes.Archimedes w
