根据句意和首字母提示，完成下列单词。

1. I would like to become a b________because I like birds and nature very much.

2. I think it is important that I do something to p________birds.

3. He works in a bank, but his h________is building model boats.

4. You can use any two colours, for e________, red and yellow.

5. Is there any r________why you can't come?

道德修养的主要内容包括(　　)。

A．提高道德认识

B．陶冶道德情感

C．锻炼道德意志

D．加强道德行为训练