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【单选题】
下列哪慢性肾衰最常见的死因:A.
心血管疾病
B.
高钾血症
C.
代谢性酸中毒
D.
贫血
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举一反三
【单选题】A nurse is preparing to obtain a sputum specimen from a client. Which of the following nursing actions will facilitate obtaining the specimen?
A.
Limiting fluids
B.
Having the client take 3 deep breaths.
C.
Asking the client to spit into the collection container.
D.
Asking the client to obtain the specimen after eating.
【单选题】Good advice for collectors is '______'.
A.
Never save the first specimen you find
B.
Always save the first specimen you find
C.
Save the second specimen you find
D.
Save all but the first specimen you find
【多选题】The toughness of a specimen will depend on ( ).
A.
shape
B.
specimen geometry
C.
the way in which the stress is applied.
【单选题】The specimen preparation is important in metallurgy because:
A.
A poorly prepared specimen can damage the microscope.
B.
A poorly prepared specimen will distract from features on the specimen.
C.
Only a well prepared specimen will reflect light.
D.
A poorly prepared specimen will corrode, and the resulting images will be misleading.
【简答题】材料一我国西北地区水能资源以黄河干流上游最为富集，仅黄河龙羊峡至青铜峡918千米长的河段，就可建设25座大中型梯级水电站，总装机容量达1520多万千瓦，年发电量557亿度，相当于整个黄河干流可开发水能资源的一半以上，而且淹没损失小，搬迁人口少。 （1）黄河龙羊峡至青铜峡河段为何水能资源富集？ _____________________________________________________...
【多选题】经济法律关系的内容包括()。A．经济权利B．经济行为C．经济义务D．经济关系
A.
经济法律关系的内容包括( )。 A.经济权利
B.
经济行为
C.
经济义务
D.
经济关系
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