A:He's from New York.
B:He's in New York.
C:He was at school.
these (对应词)____
把下列各数填在相应的大括号里:
﹣(+4),|﹣3.5|,0, π3 ,10%,2016,﹣2.030030003…
正分数集合:{____…}
负有理数集合:{____…}
无理数集合:{____…}
非负整数集合:{____…}.