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Men were quick to 3) _______his style and the Wellington boot was soon all the rage.

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③ It went out of fashion at the end of the 4) ____________.

They have become fashionable again since around 5) ________.

Wellington boots are probably6) ____________ now and will soon Start to 7) _________.__________ now and willsoon Start to 7) _________.

一个工厂中生产得产品中废品率为0.005,任取1 000,计算其中至少有两件是废品的概率____(精确到小数点后4位)。

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