下面是长沙岳麓书院的一副对联，为上联“地接衡湘，大泽深山龙虎气”选择下联，最合适的一项是（      ）

 下列区分物质的方法错误的是（　　）

根据上下文意思，用所给单词的恰当形式完成下列短文。

        Toby came back from England yesterday. Two months ago, Toby and his classmate____(enter) a robot competition for his school. More than one hundred  ____(school) around the country joined in it, and Toby's school____(win) the first prize. As captain of his team, Toby felt very proud. He said it was a wonderful experience. But the prize sounded more fantastic. It was a holiday in England. “When the plane took off, I still  ____(do) think it was real. It was like a dream." Toby said. Someone told Toby that the first prize of the robot competition next time____(be) a holiday in America. Toby hoped to enter it then.