题目

根据材料内容选择最佳答案。 Ashima was a girl from a poor family. She was very beautiful and very good at singing and dancing. A lot of young men liked her. But Ashima was in love with Ahei, a brave (勇敢的) and smart young man. One day, Ashima met Azhi, the son of a very rich family in the village. Azhi wanted Ashima to marry (嫁) him. But Ashima said she only loved Ahei. When the weather got cold, Ahei had to leave the village to work in a very far place. After Ahei left, Azhi kidnapped Ashima, took her home and asked her to marry him. Ashima still said no. When Ahei heard ab 列方程解决实际问题． 黄大叔的养殖场里有母鸡2100只，比公鸡的4倍多100只．公鸡有多少只？