对于代谢性酸中毒的患者，下列治疗中最关键的是

【名词&注释】

低钾血症(hypokalemia)、代谢性酸中毒(metabolic acidosis)、土壤通气透水性

[单选题]对于代谢性酸中毒的患者，下列治疗中最关键的是

A. 纠正酸中毒
B. 病因治疗
C. 补液治疗
D. 纠正低钙血症
E. 防治低钾血症

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学习资料：

[单选题]Passage FourMillions of stars are traveling about in space. A few form. groups which journey together, but most of them travel alone. And they travel through a universe so large that one star seldom comes near to another.

A. We believe, however, that some two thousand million years ago, another star wandering through space, happened to come near our sun. Just as the sun and the moon raise tides on the earth, so this star must have raised tides on the surface of the sun. But they were very different from the small tides that are raised in our oceans; a large tidal wave' must have travelled over the surface of the sun, at last forming a mountain so high that we cannot imagine it. As the cause of the disturbance (动荡) came nearer, so the mountain rose higher and higher. And before the star began to move away again, its tidal pull had become so powerful that this mountain was torn to pieces and threw off small parts of itself into space. These small pieces have been going round the sun ever since. They are the planets (行星).
B. 46. Millions of stars are______.
C. following a regular path in space
D. always travelling together
E. seldom wandering about in the universe
F. moving about without a fixed course

[单选题]下列有关沙土类土壤的叙述不正确的是( )

A. 土壤中以粗沙和细沙为主
B. 土壤黏性大
C. 土壤孔隙多
D. 土壤通气透水性好

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