第四部分:短文改错:10% Besides Egyptians, people of Mexico also builded 41._____________ pyramids. They didn’t build the pyramids for tombs. They 42. _____________ were used to build a pyramid and then build a temple on 43.____________ top of them. The pyramids of Mexico are not as high as 44.______________ that of Egypt, but they are big. Each pyramid has a wide 45.____________ stairway that go from the bottom to the top. 46._____________ The biggest pyramid in Mexico is almost 2000 year 47.___________ old. Scientists think it spent 10,000 men more than ten years 48.____________ to build. On top of it they build a temple to worship sun. 49.____________ The temple is no longer there and people call it the pyramid 50.____________ of the sun.