2021-2022 英语周报 高二 新课程 16答案

67. One possible versionIn his diary, the man mentioned he wished to sink to the ocean with his wife but fortheir daughter he had to live. Without him, their baby daughter would become an orphan.After drowning himself in sorrow for a short time, he uplifted himself and learned how toraise his baby. Whenever faced with hardships, he would inspire himself with his wifewords-"Take care of our child. " Seeing the little girl grow into a sunny, pretty girl withdouble love from both parents, the man knew he made it to keep his promise.The story was finished and the class was silent. Nobody talked or laughed as usualInstead, it seemed that every student was lost in deep thought, tasting the moving life story.The teacher was sure that the students were reflecting on their replies and that they hadunderstood the moral of the story. Of the Good and Evil in this world, there are hiddensecrets behind them. So we should not really focus on the surface and judge anyone withoutunderstanding them first. Put yourself in others' shoes and then you can really understandtheir behavior

17.解:(1)设A,B,C分别表示甲品牌轿车首次出现故障在第1年,第2年和第3年之内设D表示甲品牌轿车首次出现故障在保修期内,因为A,B,C是互斥的,其概率分别为P(A)=2所以P(D)=P( AUBUC)=P(A)+P(B)+P(C)3即首次出现故障发生在保修期内的概率为的,分)(2)乙品牌轿车首次出现故障未发生在保修期内的概率为35-0故首次出现故障发生在保修期内的概率为1-9(10分)

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