1. 用方框内所给单词的适当形式完成短文

interest    build    everywhere    at    tall

    Mexico (墨西哥) is on the south of the US and it's a very beautiful country. Most of the people there speak Spanish.

    Mexico is one of the most famous old cultural centres in the world. The Mayan Civilization (玛雅文明) developed there. People can see many oldin Mexico, such as the Pyramid of the Sun and the Pyramid of the Moon. They are very famous places of, and lots of people from other places visit them every day.

    In Mexico, you can see cactuses (仙人掌) . There are about two thousand kinds of cactuses in the world, and you can find more than half of them in Mexico. Some cactuses are about 17 metres and 40 ,000 kilograms! That's amazing. isn't it? So Mexico is called "The Nation of Cactuses".

    Mexico is also the home town of corn. The Mexicans usually say, "We created corn andthe same time, corn created us."