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【单选题】
输液护理中判断血容量已补足的简便、可靠依据是（）A.
脉搏在120次／分以下
B.
收缩压在12kPa（90mmHg）以上
C.
中心静脉压在6cmHO以上
D.
安静，肢端温暖
E.
尿量30ml/h以上
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【简答题】下列选项中，属于财务评价指标中的静态评价指标的是（ ）。
【简答题】下列财务评价指标中，属于静态指标的是（ ）。
【单选题】The development of optical fiber over the last twenty years has resulted in the production of optical fiber cables that exhibit very low attenuation and transmission loss in comparison with the best c...
A.
cause very small reduction in the power of signals traveling over them
B.
make very severe enhancement resulting in loss of transmission
C.
show very weak coupling and infrequent transmission failure
D.
attract very little attention so as to cause transmission degradatio
【简答题】什么叫措施项目费?单价措施费和总价措施费如何区别?
【单选题】Some environmentalists warn that the soaring population will cause ______.
A.
the degradation of people's living standard in the next century
B.
the deterioration of living environment in the next century
C.
the reproduction of more wild species in the next century
D.
the extinction of more wild species in the next century
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