题目内容：

单词拼写

根据句意和汉语提示，写出下列单词的正确形式，每空限填一词。

1.He studied hard,  _____________(目的是) at being No. 1 in his class.

2.It is t______________ of him to help others.

3.These are kids_________________ to computer games.

4.The source of the river lies in Tibet and it has many__________(支流).

5.Hangzhou is a beautiful city and lives up to its_______________(名声).