题目内容：

Good afternoon, everyone. My topic for today is “Early money”. I’m going to t___1____

you something about money u ___2_____in the early days. To tell you the truth, we know little about h___3___ early people came to use money, but we do know some of the things w____4___ have been used a___5___ money. In early times in some European c___6____ salt was very difficult to g___7___.  It was used as money. In some p____8____ of Asia, tea was used for money. The American Indians used nuts and other things. Perhaps the most c_____9____ money of all was an animal of some kind. In some places today, cows are still used as a k___10_____ of money. So you see, things highly valued (价值) by everybody may serve as money. The Chinese were the first p___11____ to use coins as money. Oh, here are some coins of the p____12_____. You can come over and have a look.