则在这次活动中，该班同学捐款金额的众数和中位数分别是（   ）

一只小鸟在平静的湖面上飞过，当小鸟距水面3m时，小鸟在湖面的“倒影”是____ （填“实”或“虚”）像，它是由于光的____ 形成的，该“倒影”距小鸟____m．

下列各组句子中划线词语古今义基本相同的一项是（  ）。

    Tom has three good friends. They are Jack, David and Mark. They have different hobbies. Tom likes football. He often plays football on weekends. He thinks playing football can make him strong and healthy. He is in the school football team.

    Jack doesn't like sports. He likes listening to music. He likes Jay Chow best of all the singers. He has many of his CDs. He often listens to music on the way. He thinks music can let him feel happy.

    David doesn't like sports or music. He likes stamps. He collects stamps for five years. The stamps are very beautiful. He thinks collecting stamps can help him know more about the world.

    Mark likes taking photos. He has a few cameras. When he is free, he often takes out his camera and takes some pictures. Some of his pictures are in the newspapers. He thinks the world is beautiful. He wants to show the beauty of the world to others.