• 2021-04-14
    Solidification of Alloys: Solidify over a range of temperature, Mushy zone, Columnar dendrites crystals
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      It's very hot. The temperature is ______ 35℃ already. A: over B: on C: in D: at

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      ​The business places of enterprises shall be appropriate for the operation __________ and operation scale of drugs.​ A: range B: scope C: yield D: zone

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      The business places of enterprises shall be appropriate for the operation __________ and operation scale of drugs. A: range B: scope C: yield D: zone

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      Since you had a temperature and felt pain all over, you’d better go to the ________.

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      A cost is described as staying the same over a certain activity range and then increasing but remaining stable over a revised activity range in the short term. What type of cost is this?? A semi-variable cost|A stepped fixed cost|A variable cost|A fixed cost