They chose the night when her old friend Scotty he

They chose the night when her old friend Scotty held her birthday party as their

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Fossil fuels are non-renewable, so we need to find

Fossil fuels are non-renewable, so we need to find alternative energy sources.

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They are (A.looking; B. searching) the woods for t

They are (A.looking; B. searching) the woods for the missing child.

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Unlike Americans, who seem to prefer coffee,______

Unlike Americans, who seem to prefer coffee,______ a great deal of tea.AEnglish

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能全面反映总体各单位标志值变异程度的指标有A、平均数B、全距C、平均差D、标准差E、标准差系数

能全面反映总体各单位标志值变异程度的指标有A、平均数B、全距C、平均差D、标准差E、标准差系数

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