根据短文内容，完成下列各题。   

    Jim lives in a village. He often spends time walking by the river behind his old house. Sometimes he swims in the river. But now his father works in town, so he goes there with his family.

    Behind their new house is a park, but the park is very small. So Jim isn't happy. "Is there a river near here?" He asks his mother on the first morning. His mother says, "No, there isn't. But there's a nice park near here, and there's a pool in it. We can go to play there." Jim's very happy on the way to the park. When they get there, Jim wants to swim in the pool, but there's a sign( 标志) before it. It says "Danger! Don't swim in the pool."Jim can't find an interesting place to play.He wants to go back to the village.