【推荐2】把下列各数填在相应的集合里：

12，，，0，，，，，，，

（1）正整数集合{                                                …}

（2）整数集合{                                                    …}

（3）正分数集合{                                                  …}

（4）负分数集合{                                                  …}

（5）非负数集合{                                               …}

（6）有理数集合{                                                  …}