根据句意和所给首字母完成句子。

1. The policeman asked to see his driving l                  .

2. —I can walk home.

    —Don't be s             . It's much too far!

3. Following the national news we have the l                news and weather.

4. The i            of washing one's hands before meals is that it prevents infection.

5. I'd like to have my ears p              so that I can wear earrings.

下一代网络的特点是什么？