On their wedding, up________into the air. Then the relatives and friends cheered up.
A:go the balloons
B:did the balloons go
C:went the balloons
D:the balloons went
在一次投球游戏中,黄同学将球水平抛向放在地面的小桶中,结果球沿如图所示的弧线飞到小桶的前方.不计空气阻力,则下次再投时,可作出的调整为( )
下列哪个函数是奇函数( )