阅读短文，用方框中所给单词的适当形式填空，使短文意思通顺、完整。每空限填一词，每词限用一次。有两个词多余。

There was a small village near a mountain. People there loved their village very much and they grew many 小题1:      on the mountain. Water in the rivers was very clear and the 小题2:  was clean. People lived a poor life, but they were very 小题3:    . After a few years, some people in the village started to cut down trees to 小题4:    for money. There were some people from cities 小题5:   to visit the village. People began to kill some wild animals as 小题6:      to treat (招待) the visitors. Of course, they made lots of money. But小题7:     knew what the village would be like in the future.

As time went on, there were fewer plants and animals and the water became 小题8:     . The visitors became fewer and fewer. Several years later, people there knew they must stop destroying (破坏) 小题9:   . They would like to live a happy life as before, so they began to小题10:  new plants. They hoped the village would become as beautiful as before.

被除数和除数同时扩大10倍，余数是20，原来余数是20．______．