问题
单项选择题
将8名乒乓球选手分为两组,每组4人,则甲、乙两位选手不在同一组的概率为()。
A.A
B.B
C.C
D.D
答案
参考答案:B
解析:
将8名乒乓球选手分成两组,每组4人,共有种分法。甲、乙两位选手不在同一组,即是将剩余6名选手分成两组,每组3人,共有
种分法。则所求概率为
=
。故应选B。
将8名乒乓球选手分为两组,每组4人,则甲、乙两位选手不在同一组的概率为()。
A.A
B.B
C.C
D.D
参考答案:B
解析:
将8名乒乓球选手分成两组,每组4人,共有种分法。甲、乙两位选手不在同一组,即是将剩余6名选手分成两组,每组3人,共有
种分法。则所求概率为
=
。故应选B。
Dear friends, Do you remember your first day at a new school or in a new area? How about the 31 when your family 32 to a new state? Ugh! What about the feelings of being a stranger? Then, with time, you find someone who likes 33 you like. Friends are great gifts in life. I have good friends too, but not because they are completely(完全的) 34 .Sometimes they talk too much; sometimes they need me a lot. I know I ask too much of them. I hope my friends, like my father, 35 about me a lot. I once told my friends to give me all their love and be generous and gentle. I told my friends, in other words, to love me 36 I loved them. They didn’t 37 me at first, but then they became kinder. My love for them slowly made them learn to 38 friends. They learned to love others and 39 the idea that LOVE is part of life. If we listen to and try to understand each other, love 40 .We should work on it, even if it’s hard at first. A true friend loves US at all times. Your friend, Jesus
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