乘务员待乘卧床休息时间不得少于__________h。

乘务员待乘卧床休息时间不得少于__________h。

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高温车间的纵轴应与当地__________主导风方向相垂直。

高温车间的纵轴应与当地__________主导风方向相垂直。

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Which is one reason why most fights and car accidents are on

Which is one reason why most fights and car accidents are on Saturday night?

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请根据下面短文回答第题:In 1870s the workday was days long.

请根据下面短文回答第题:In 1870s the workday was days long.

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根据下列材料,回答题:请在(47)题处填上最佳答案:

根据下列材料,回答题:请在(47)题处填上最佳答案:

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