把7个苹果放进3个盘子里，肯定有一个盘子至少有______个苹果．
7÷3=2（个）…1，
2+1=3（个），
答：最少有1个盘子里放3个．
故答案为：3．
With no agreement ___, the leaders in the six-side talks will spend another two hours, ___in the hotel, ___the nuclear problem of the North Korea.
A．reaching; locking; discussing
B．reaching; locking; having discussed
C．reached; locked; discussing
D．reached; locked; discussed
一个班级的人数一定，那么出席人数和缺席人数的（ ）不变。
