根据句意及首字母提示填空。

1. I don't like winter because it's c        .

2. Don't eat the meat, it's too  h        .

3. It's windy outside, put one your w        .

4. I don't like r         weather, because it's boring.

5. In summer, people like swimming. It can make them c        .

交换机数据交换通常有（）三种方式。

A.直接交换、改进的直接交换、存储转发交换

B.直接交换、分组转发、存储转发交换

C.数据包转发、直通转发、改进的直接交换

D.直接交换、校验转发、存储转发交换