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【单选题】
患者男 ,55 岁。因心力衰竭使用洋地黄进行治疗。治疗期间的下列医嘱中 , 护士提出质疑和核对的是
A.
氯化钾溶液静脉滴注
B.
生理盐水静脉滴注
C.
5% 葡萄糖溶液静脉滴注
D.
葡萄糖酸钙溶液静脉滴
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参考答案:
举一反三
【简答题】若离心泵的实际安装高度大于允许安装高度,在操作中会发生()现象。
【简答题】在化学实验中,常常依据反应伴随的现象来确定反应是否发生.请按要求写出化学方程式. (1)反应中伴有发光、放热现象 ; (2)加热某种固体(或固体混合物),反应后固体质量减小 ; (3)根据下表写出有沉淀生成的复分解反应 . NO 3 ﹣ SO 4 2 ﹣ OH ﹣ K + 溶 溶 溶 Na + 溶 溶 溶 Cu 2+ 溶 溶 不溶
【简答题】下表列出由实验测定的几种物质的比热容. 根据以上表格,请写出两条你发现的规律. 规律一:______; 规律二:______.
【单选题】It can be inferred from the passage that in early America ______.
A.
people competed with each other fiercely for land
B.
many people worked for the railroad companies
C.
quite a few families made it on their own
D.
social and personal interdependence was indispensable to Americans
【简答题】填写单词。 1. His books have _______ the lives of millions of people. 2. How can I try to _______ English like a native speaker? You'd better practice more with English speaker. 3. It's our _______ to keep...
【单选题】若离心泵输送流体的温度增加,则其允许安装高度()。
A.
增大
B.
减小
C.
不变
D.
不确定
【单选题】Acetic acid (C2H4O2) was discovered in 1996. It has 24 valence electrons and the Lewis structure is below. How many lone pairs are there?
A.
2
B.
3
C.
4
D.
5
【简答题】在化学实验中,常常依据反应伴随的现象来确定反应是否发生.请按要求写出化学方程式. (1)反应中伴有发光、放热现象______; (2)加热某种固体(或固体混合物),反应后固体质量减小______; (3)根据下表写出有沉淀生成的复分解反应______. NO 3 - SO 4 2- OH - K + 溶 溶 溶 Na + 溶 溶 溶 Cu 2+ 溶 溶 不溶
【单选题】The Lewis structure of AsH 3 shows __________ nonbonding electron pair(s) on As.
A.
0
B.
1
C.
2
D.
3
E.
This cannot be determined from the data given.
【单选题】The Lewis structure of N 2 H 2 shows __________.
A.
a nitrogen-nitrogen triple bond
B.
a nitrogen-nitrogen single bond
C.
each nitrogen has one non-binding electron pair
D.
each nitrogen has two non-binding electron pairs
E.
each hydrogen has one non-bonding electron pair
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