使用硝酸银标准液如何测定炉水的盐度?

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问题:

使用硝酸银标准液如何测定炉水的盐度?

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患者,女,42岁,体质较弱,因SLE合并肾功能衰竭而入院治疗,采用激素冲击疗法,连续应用激素一周。该患的肾衰症状有所缓解,但却出现发热、咳嗽、气喘等呼吸系统症状,听诊肺部有啰音。

若该患者咳痰为翠绿色或黄脓色,可能是哪种细菌感染()

A.肺炎链球菌

B.乙型溶血性链球菌

C.肺炎克雷伯菌

D.绿脓杆菌

E.金黄色葡萄球菌

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旅游活动有哪些基本特征?

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下列描述中,对办公自动化最恰当的称谓是()

A.由人/机组成的信息系统

B.辅助办公业务的管理信息系统

C.支持办公决策的决策支持系统

D.信息共享的计算机网络系统

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Passage Four

Before the summer of 2000, the 54 year old John Haughom could accomplish just about any thing at work. "I could move mountains if I put my mind to it."he says of those days. But that summer Haughom found he couldn’t move them any more. On the phone with his wife one morn ing, Haughom broke down. A couple of days later Haughom checked himself in for a three-week stay at the Professional Renewal Center, an in-patient clinic 30 miles outside Kansas City that helps him deal with stress.
Haughom is far from alone. A host of new studies and plenty of anecdotal evidence show that stress in the workplace is skyrocketing. Whatever the cause, stress levels are at record highs. The statistics are startling. According to a new study by the federal government’s Nation al Institute for Occupational Safety and Health, more than half the working people in the U.S. view job stress as a major problem in their lives. This year the European Community officially dubbed stress the second-biggest occupational-health problem facing the continent.
Ten years ago experts warned that stress was out of control, in part because of a shaky economy. What’s notable about today’s wave of stressed-out workers is that it rises all the way to the top. Lack of control is generally considered one of the biggest job stressors, so it used to be thought that middle managers carried the brunt: sandwiched between the top and the bottom, they end up with little authority. Powerful chief executive officers (CEOs) were seen as the least threatened by stress. But in today’s tough economy, top executives don’t have as much control as they used to. "Stress is just part of the job, fortunately or unfortunately, stress’is part of our character building," Lebenthal says. "But I think I don’t need any more character building. What I need is a vacation."
But if you think that going on vacation is hard—and studies show that 85%of corporate executives don’t use all the time off they’re entitled to. Being able to handle stress is perhaps the most basic of job expectations. So among the corporate elite, succumbing to it is considered a shameful weakness. Stress has become the last affliction that people won’t dare admit to. Most senior executives who are undergoing treatment for stress—and even many who aren’t—refused to talk on the record about the topic."Nothing good can come out of having your name in a story like this," one CEO said through his therapist.

Why are middle managers regarded as the most threatened by stress

A.Because they don’t have as much control as they used to.

B.Because they are not able to handle stress.

C.Because they have little power over the situation in the company.

D.Because they need more character building.

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车间质量管理的意义是什么?

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