抛掷一枚硬币60次，出现正面的频数为31，那么出现反面的频率约为_爱下问搜题

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问题填空题

抛掷一枚硬币60次，出现正面的频数为31，那么出现反面的频率约为（）。（精确到0.01）

答案

0.48

单项选择题

在绩效考核的过程中管理者通常有过分严厉或过分宽大评定员工的倾向，这种现象是( )。

A．刻板效应

B．盲点效应

C．晕轮效应

D．过宽或过严倾向

完形填空

Learning to Accept
I learned how to accept life as it is from my father. 21_,he did not teach me acceptance when he was strong and healthy,but rather when he was 22 and ill.
My father was 23 a strong man who loved being active, but a terrible illness 24 all that away.Now he can no longer walk and he must sit quietly in a chair all day. Even talking is 25 . One night, I went to visit him with my sisters. We started 26 about life,and I told them about one of my 27 . I said that we must very often give things up 28 we grow—our youth, our beauty, our friends---but it always 29 that after we give something up,we gain something new in its place. Then suddenly my father 30 up. He said, “But, Peter,I gave up 31 ! What did I gain?” I thought and thought, but I could not think of anything to say. 32 , he answered his own question: “I 33 the love of my family.” I looked at my sisters and saw tears in their eyes,along with hope and thankfulness.
I was also 34 by his words. After that, when I began to feel irritated(恼怒的)at someone, I 35 remember his words and become 36 . If he could replace his great pain with a feeling of love for others, then I should be 37 to give up my small irritations. In this 38 ,I learned the power of acceptance from my father.
Sometimes I 39 what other things I could have learned from him if I had listened more carefully when I was a boy. For now, though, I am grateful for this one 40 .

B．experiences

A．Surprisingly

B．Immediately