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多项选择题

以下哪些情形影响食品冷藏、冷冻温度()。

A.冰箱内较厚积霜
B.存放了大量食品
C.常取用冰箱内食品
D.未冷却食品放入冰箱

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相关考题

未知题型

There are some great differences between a traditional family and a modern onE.The first important difference is in the (11) . In the past, the husband was the only one who worked outside the homE.And it was the husband who usually made decisions about (12) . But now the husband is not the only one who may do so. The (13) is in the woman's rolE.In the past, a woman worked until she had children. But now she works outside the home even when she has children. (14) , she is busier. The final difference is in the role of the children. In the past, children were mostly (15) by their mother. But now children have to get up early and get ready for school themselves and some of' them may even have to make breakfast themselves.

单项选择题

固定子宫位置的不包括 A.
子宫的韧带 B.
盆膈 C.
尿生殖膈 D.
膀胱充盈度 E.
阴道

判断题

刃磨高速钢车刀用的是绿色碳化硅砂轮,刃磨硬质合金车刀用的是氧化铝砂轮
正确
错误

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