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A． ask for B．instead of C． except for D． because of
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【简答题】患者，男性，30岁，因畏寒、发热、厌油、恶心呕吐、食欲缺乏、乏力就诊。诊断为甲型肝炎，收入院治疗。下列隔离措施错误的是A、不同病种病人应分室居住 B、密切接触病人时须穿隔离衣 C、室内保持无蝇、无蟑螂 D、不同病种病人书报可借阅 E、不同病种病人的食品不可交换 应采用哪种隔离A、血液隔离 B、消化道隔离 C、呼吸道隔离 D、昆虫隔离 E、保护性隔离
【单选题】张女士，32岁，因畏寒、发热、厌油、恶心呕吐、食欲缺乏、乏力就诊，诊断为甲型肝炎，收入院治疗，采用哪种隔离
A.
严密隔离
B.
呼吸道隔离
C.
保护性隔离
D.
消化道隔离
E.
接触性隔离
【单选题】18岁的高三学生周浩发现市场上存在“注水肉”砚象．经过一年多的努力，设计发明了一种测定仪器，只要往肉里一插，马上就让“注水肉”现形．他的根据是肉和水都是导电体，但导电率不同．他边试验边改进，最终制作出了这台测试仪。试分析他主要经历了哪些设计环节（）
A.
发现与明确问题，制定设计方案
B.
制作模型或原型
C.
测试、评估和优化，产品的使用、说明
D.
经历了以上全部环节
【单选题】张女士，32岁，因畏寒、发热、厌油、恶心呕吐、食欲缺乏、乏力就诊，诊断为甲型肝炎，收入院治疗，病人采取的隔离措施哪项不妥
A.
不同病种病人应分室居住
B.
密切接触病人时须穿隔离衣
C.
不同病种病人书报可借阅
D.
病室应有防蝇设备
E.
不同病种病人的食品不可交换
【单选题】If average variable cost exceeds average fixed cost at a particular level of output:
A.
Profits must be positive.
B.
That fact is meaningless for deciding the quantity of output to produce.
C.
It is more likely that the output level is low relative to the designed capacity of the production facility than that the output level is low relative to the designed capacity of the production facility.
D.
Both b and c. are likely true.
【单选题】If average fixed cost exceeds average variable cost at a particular level of output:
A.
Profits must be negative.
B.
That fact is meaningless for deciding the quantity of output to produce.
C.
Output levels are probably quite low relative to the designed capacity of the production facility.
D.
Both b and c. are likely true.
【单选题】If average variable cost is less thanmarginal cost, then:
A.
average total cost is rising.
B.
average total cost is constant.
C.
C) average total cost is falling.
D.
average variable cost is rising.
【单选题】If average fixed cost and average variable cost are summed together, the result is:
A.
total revenue.
B.
total profit.
C.
total cost.
D.
average total cost.
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