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【单选题】
久病衰竭,突然精神兴奋,欲饮欲食是A.
有神
B.
C.
失神
D.
假神
E.
以上都不是
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】关于脓毒症与菌血症两者的关系，下列不正确的是
A.
均属于全身性感染
B.
菌血症是脓毒症中的一种
C.
属于全身性感染的不同阶段
D.
可有寒战、高热
E.
白细胞计数明显增高
【简答题】Benefit/Cost ysis
【单选题】下列关于全身性外科感染的叙述,哪项是错误的
A.
菌血症是脓毒症的一种
B.
当代外科感染中，革兰阴性杆菌感染已超越革兰阳性球菌感染
C.
外科真菌感染属条件性感染
D.
真菌感染时血培养易发现
E.
伴有厌氧菌感染时易形成脓肿
【单选题】Benefit measurement and constrained optimization are examples of:
A.
benefit cost ratios。
B.
variable costs。
C.
types of depreciation。
D.
project selection methods。
【简答题】成本一效益分析(cost-benefit ysis，CBA)
【单选题】Choosing to study for an exam until the extra benefit (improved score) equals the extra cost (mental fatigue) is:
A.
not rational.
B.
an application of the cost-benefit principle.
C.
an application of the scarcity principle.
D.
the relevant opportunity cost.
【单选题】Which of the following statements about the cost-benefit approach is TRUE?
A.
Resources should be spent if they are expected to better attain company goals in relation to the expected costs of these resources.
B.
In a cost-benefit analysis, both costs and benefits are easy to obtain.
C.
Resources should be spent if the costs of a decision outweigh the benefits of the decision.
D.
A cost-benefit approach would not be appropriate for a decision to install a budget system or not.
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