题目内容

根据净现值与折算率的关系,以及净现值指标在方案评价时的判别准则,可以很容易地导出用内部收益率(IRR)指标评价投资方案的判别准则,若IRR<ic,则NPV<O,那么( )。

A. 方案是可行的
B. 方案是可考虑接受的
C. 方案是不可行的
D. 以上判断都不正确

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导游人员王某因私事接机迟到,致使游客在机场等了1小时。王某的行为应当被扣除()

A. 2分
B. 4分
C. 6分
D. 8分

城市建设用地必需考虑防洪问题,一般要求( )的地段,才可选作城市用地。

A. 50年一遇洪水位以上0.5~1Om
B. 100年一遇洪水位以上0.5~1.Om
C. 50年一遇洪水位以上1.0~1.5m
D. 100年一遇洪水位以上1.0~1.5m

The nurse is caring for a client who has a tracheostomy tube and is undergoing mechanical ventilation. The nurse can help prevent tracheal dilation, a complication of tracheostomy tube placement, by

A. suctioning the tracheostomy tube frequently.
B. using a cuffed tracheostomy tube.
C. using the minimal air leak technique with cuff pressure less than 25 cmH2O.
D. keeping the tracheostomy tube plugged.

After cancer chemotherapy, a client develops nausea and vomiting. For this client, the nurse should give the highest priority to which action in the plan of care

A. Serve small portions of bland food.
B. Encourage rhythmic breathing exercise.
C. Administer metoclopramide (Reglan) and dexamethasone (Decadron) as prescribed.
D. Withhold fluids for the first 4 to 6 hours after chemotherapy administration.

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