求求：合并sql查询语句
select top 5 * from news where newstype=1
select top 5 * from news where newstype=2
select top 5 * from news where newstype=3
select top 5 * from news where newstype=4
这四条语句，怎么用一条sql语句来写！
[解决办法]
select top 5 * from news where newstype=1union all select top 5 * from news where newstype=2union all select top 5 * from news where newstype=3...........
