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问题 单项选择题

某一时期，企业问大打价格战，对于新进入者进行顽强抵抗。企业注重学习曲线的应用，力争提高效率，进一步压缩成本的生命周期是（）。

A.导人期

B.成长期

C.成熟期

D.衰退期

答案

参考答案：C

解析：该题考查的是产品生命周期模型。题干描述的为产业处于成熟期的主要特征。

单项选择题

王女士，39岁，心脏病史8年，因“急性胃肠炎”输液后出现气促、咳嗽、咳白色泡沫痰，查体心率120/min，两肺底湿性哕音，诊断为左心衰竭，心功能Ⅲ级。

护理措施不妥的是( )。

A．给氧吸入

B．注意保暖

C．保持大便通畅

D．记录出入水量

E．给予高热量饮食
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单项选择题

You are building a water treatment facility．Routine tests reveal that there are contaminants in the water but that they have an extremely low risk for causing any sickness．As the project manager，you should______．

A．inform the public that a detailed examination has been ordered to determine the extent to which the problem exists

B．do nothing because there is extremely low risk for sickness except for some effects on small children and the elderly

C．tell the public there is no problem，except for small children and the elderly who need to boil the water before drinking

D．educate the public about the advances on water treatment technology and the industry efficiency and safety record
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