题目内容：

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

The Mayan civilization was from a group of people 1. lived in Central America. The Maya people used a(n) 2. (write) language before Columbus came to the Americas in 1492 AD. They were good 3. art, building, and math. They knew about stars and planets, which helped them make calendars.

The Mayan civilization was the most important between the years of 250 AD and 900 AD. 4. (gradual), the Mayan civilization spread all the way from Central Mexico to Honduras, Guatemala, and northern El Salvador.

The Maya people traded with other people in the Americas. They made changes to their buildings to make them much 5. (good). The style in which they made 6. ( they) buildings was often similar to styles of buildings in countries that the Maya people traded with.

The Mayan civilization started getting smaller after 900 AD. The Spanish arrived in 7. 15th century and took over Central America, even in the Mayan areas. However, the Maya people still live there today. They even keep the old Mayan traditions and 8. (believe).There are many Mayan languages still spoken today, 9. (include) one called the Achi language. A play called Rabinal Achi 10. (consider) very important to the world.