阅读理解，判断正误。

    On Sunday morning, Mr. Baker takes Mike and Joan to a plane to fly home. He opens the door of the plane and lets the children in. Soon the plane begins to up. Joan looks out of the window, "Oh, we're like birds in the sky!" She says. She looks at the houses, but they are like toy houses. Mike looks out of the window, too. He sees some buses. They look like toy buses. The people on the ground look very, very small, too. Then the plane comes down and down, and stops on the ground. Mike and Joan are very happy.