题目内容

肝硬化患者常可能出现的电解质和酸碱平衡紊乱的类型是 …………( )

A. 高钙血症
B. 代谢性碱中毒
C. 低钠血症
D. 低钾血症
E. 低氯血症

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关于静电场高斯定理的理解,考虑真空中一个闭合曲面(高斯面),下列说法正确的是

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B. 闭合曲面上各点电场强度都为零时,曲面内电荷的代数和必定为零。
C. 闭合曲面的电通量为零时,曲面上各点的电场强度必定为零。
D. 闭合曲面的电通量不为零时,曲面上任意一点的电场强度都不可能为零。

“Marriages between Jews and German citizens or those of similar blood are forbidden.” The Marriage Law, one of the Nuremberg Decrees (法令) of 1935, was aimed at protecting the purity (纯粹) of German ___1____ . The Nazis _____2____ people into racial types. They said Germans were descended from (为……的后裔) the Aryan race. This propaganda (宣传) film shows Aryans of old, the Teutonic Knights (日耳曼骑士), supposedly the root of all ___3___culture and nobility. Pure Aryan Germans could be recognized from their blonde (金黄色的) hair and ___4____ eyes. It was all a fantasy (虚假的东西) but the fantasy was dressed up (被装扮成) as ___5______ . Germans were being taught to think of other races as somehow ___6____ than perfect, and the German people bought the ___7____ .

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