6名同学争夺3项冠军，获得冠军的可能性有 种。
729
题目分析：根据分步乘法计数原理获得冠军的可能性有。
根据民航规定，未满2周岁的婴儿按成人票价的—付款，不单独占位
A．50%
B． 30%
C．10%
D． 0%
根据所给句子和汉语提示写出恰当的单词，每空一词。 （5分）
小题1:My cousin has bright ____________(微笑的) eyes. They make her very lovely.
小题2:Winter holiday is coming. The Greens _______(决定) to watch beautiful ice lanterns in Harbin.
小题3:My uncle is crazy about DIY. He ___________(装饰)his house himself last year.
小题4:Every year, a lot of ____________(游客) go to the West Lake.
小题5:I caught a bad cold yesterday, now I have a ________________(头痛).
。 
。