cheer的形容词用英语怎么说?

　　例句：

　　We all cheered as the team came on to the field.

　　球队入场时我们都为之欢呼。

　　A great cheer went up from the crowd.

　　群众爆发出一阵热烈的欢呼声。

　　The results of the test were very cheering.

　　化验结果令人欢欣鼓舞。

　　You need something to cheer you up ─ I know just the thing!

　　你需要点什么使你高兴起来，我知道什么正合你的需要。