用所给词的适当形式填空。

1. _____ ( eight, year, old) should be allowed to drive.

2. Anna wants to get her ears_____ ( pierce).

3. Young trees should            _____( water) as often as possible.

4. You need             ______ (wear) warm clothes, or you'll catch a cold.

5. The old should                   __ (speak) to politely.

下面关于以德治国与依法治国的关系的说法中正确是（）

A.依法治国比以德治国更为重要

B.以德治国比依法治国更为重要

C.德治是目的，法治是手段

D.以德治国与依法治国是相辅相成，相互促进