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问题 单项选择题

混凝土有抗冻要求时，应在施工现场进行混凝土（）检验，其检验结果应符合国家现行有关标准的规定和设计要求。

A.稠度

B.坍落度

C.含水量

D.含气量

答案

参考答案：D

解答题
计算：(
1
2
)-1-(3.14-π)0+0.254×44
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单项选择题

The nurse caring for a 3-day-old neonate notices that he looks slightly jaundiced. Although not a normal finding, it's an expected finding of physiologic jaundice and is caused by which of the following

A．Poor clotting mechanism.

B．High hemoglobin (Hb) levels between 14 and 20 g/dL per 100 mL of blood.

C．Persistent fetal circulation.

D．Large, immature liver.
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