We were dying to hear the announcement of the winner of the race.
A:notice
B:news
C:information
分式x-yx2+y2有意义的条件是 ( )
目标的坚定是性格中最重要的力量源泉之一,青少年在确定人生目标时要注意 ( )
一杯可乐售价1.8元,商家为了促销,顾客每买一杯可乐获一张奖券,每三张奖券可兑换一杯可乐,则每张奖券相当于( )