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【单选题】
random库中,sample(seq,k)函数的作用是A.
对序列类型中的元素随机排序
B.
从序列类型中返回一个元素
C.
初始化随机数种子
D.
生成一个长度为k的随机数序列
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A.
正确
B.
错误
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A.
have
B.
had
C.
will have
D.
may have
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【单选题】We owe your name and address ______ the CommercialCounselor’s Office in New Zealand , through ______ we know that you arewell experienced in the export of textiles.
A.
from, whom
B.
to, whom
C.
from, which
D.
to, wihch
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