要求:时态正确,不少于50词。
Last Sunday I went to the zoo. There were many animals there. My parents went there with me. We saw some monkeys. They wore coats. I saw a dog. It wore a hat. It was very funny. We laughed a lot. We took many photos. We had l
已知二次函数y=kx2-7x-7的图象和x轴有交点,则k的取值范围是 ( )
下列成语中,与漫画《始料不及》寓意相同的是( )