题目

五、语法填空阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。Have you ever heard of friendships among animals? At a zoo in Germany, an unusual friendship developed 【1】a cat and a bear.No one is quite sure how the friendship first began. One day, some 【2】(worker) in the zoo noticed a black cat was in the bear’s cage(笼子), and the two animals were playing together peacefully. They were surprised 【3】well the small cat seemed to get along with the large bear. The bear keeper allowed the cat to stay with the bear. And8、下列函数中，图象经过原点的为（　　）A、y=-xB、y=-5x-1C、y=5x+1D、y=-x+3