What did the boy do last night?
A:He went to the party.
B:He saw a movie.
C:He did some reading.
苏伊士运河是哪两个大洲的分界线( )
该事件最有可能是____(填写一个你认为正确的序号).
①掷一个质地均匀的正六面体骰子,向上一面的点数是2;
②掷一枚硬币,正面朝上;
③暗箱中有1个红球和2个黄球,这些球除了颜色外无其他差别,从中任取一球是红球.