以下选项中，不属于遗传性或获得性细胞膜离子转运异常的是（）

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问题单项选择题

A.钙泵活性降低

B.钠泵活性降低

C.钾泵活性降低

D.细胞膜通透性增加

E.钠-钾离子协同转运缺陷

答案

参考答案：C

填空题

根据汉语提示，用适当的单词填空。

1. Her father works in the ________ (医院). He is a doctor.

2. ________ (美国人) eat Turkey with their families on Thanksgiving.

3. Yesterday they ________ (参观) the Summer Palace.

4. My grandfather likes ________ (京剧) very much but I don't like it.

5. Look at the sun! You had better wear your ________ (太阳镜).

填空题

在Visual FoxPro中，项目文件的扩展名是______。