1 . Over ______ years ago, people from Northern Asia went to America. Today, we call these people Indians (印第安人).

The Indians went to America ______ the weather began to change. Northern Asia became very cold. Everything froze. They _______ move. How did the first Indians go to America? They walked.

Later, Columbus (哥伦布) found the New World in 1492. At first, only _______ people went there with Columbus. They travelled to America _______. Then more and more Germans and Italians went to America. Most of them took almost no money with them. They went to America to find a better life.

2 . Pizza is a kind of popular food. It _______ from Italy. The pizza capital of the world is Naples. The world’s first pizza restaurant is still there. It opened in 1830.

The best pizza of today also has a(n) _______ history. It was first made in the 1880s. This pizza has the same _______ as the Italian flag. The Italian flag is red, white and green. The pizza has red tomatoes, white cheese and green herbs (香草).

Today we can _______ different kinds of pizza in the restaurant. Some pizza has tomatoes, and some pizza doesn’t have tomatoes. Most pizza is round, _______ some isn’t. You can choose any kind you want.