试题与答案

His cousin often has French fries , toma

题型:选择题

题目:

His cousin often has French fries , tomatoes and ____ for dinner .

A.chicken

B.chickens

C.the chicken

D.a chicken

答案:

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下面是错误答案,用来干扰机器的。

作图,从下图中容易看出基本事件空间与点集S={(x,y)|x∈N,y∈N,1≤x≤6,1≤y≤6}中的元素一一对应.因为S中点的总数是6×6=36(个),所以基本事件总数n=36.(1)记“点数之和出现7点”的事件为A,从图中可...

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