游戏1
游戏2
游戏3
袋中装有3个黑球和2个白球
袋中装有2个黑球和2个白球
袋中装有3个黑球和1个白球
从袋中取出2个球
若取出的两个球同色,则甲胜
若取出的两个球不同色,则乙胜
问其中不公平的游戏是( )
A:游戏2
B:游戏3
C:游戏1和游戏2
D:游戏1和游戏3
澳门的主要经济支柱式( )
如图所示的电路中,当灯泡L1烧坏时(设电源电压U不变),则通过 L2的电流( )
This1my good friend. 2 name is Tiger Mi. It is a cat. It's only two. It 3 fish and chicken 4 ,but it 5like rice 6 .I like to 7 with it. Every day, we get up together, eat together, and do my homework together. Sometimes, Xie Kai and Wang Bin, my 8 at school ,come to my house. They like Tiger Mi, too. They 9Tiger Mi English. But Tiger Mi can't 10 English well. Do you have a cat? Tell me something about it, please
与左心房相连的血管是( )