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【简答题】
[集装箱运费计算] 某种货物一批,总重量为582公吨,总体积为1000立方米。如果40英尺和20英尺的集装箱,其限定载重量、容积、装运该货由甲地运至乙地每箱的运费分别为24.5和17.5公吨、67和30立方米、750和400美元。问选用哪一种规格的集装箱运费较省?需要多少个集装箱?运费多少?
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that
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if
【单选题】Was it because it snowed last night ______ he didn't come?
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why
B.
that
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when
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then
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C.
【单选题】Was it because it snowed last night _____ you didn't come?
A.
when
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that
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so
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what
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