男性,52岁,患慢性骨髓炎6个月,血红蛋白75g/L,白细胞、血小板正常。血清铁6.

题型:单项选择题 案例分析题

问题:

男性,52岁,患慢性骨髓炎6个月,血红蛋白75g/L,白细胞、血小板正常。血清铁6.23μmol/L,铁蛋白200μg/L,骨髓增生活跃,细胞外铁(++)

患者的诊断最可能是()

A.缺铁性贫血

B.巨幼细胞性贫血

C.慢性病性贫血

D.失血性贫血

E.铁粒幼细胞性贫血

考点:广西住院医师血液科血液科题库
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肺部叩诊呈过清音的是()
胸部叩诊呈鼓音的是()

A.肺气肿

B.大量胸腔积液

C.气胸

D.支气管肺炎

E.肺不张

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《素问·痿论》认为"痿躄"的主要病机是()

A.宗筋弛纵

B.骨枯髓虚

C.胞络阻绝

D.肺热叶焦

E.肌肉濡渍

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患儿,6岁,男,睡后经常遗尿,醒后方觉。平素神软乏力,少气懒言,面色苍黄,食欲不振,大便溏薄,常自汗出。苔薄嫩,脉少力。

患儿出现上述证候是由于()

A.下元虚寒,肾气不足

B.游戏过度,精神疲劳

C.脾肺气虚,膀胱失约

D.年龄幼小,不能控制

E.经脉未盛,气血未充

题型:单项选择题 案例分析题

Wherever people have been, they have left waste behind, which can cause all sorts of problems. Waste often stinks, attracts vermin and creates eyesores. More seriously, it can release harmful chemicals into the soil and water when dumped, or into the air when burned. And then there are some really nasty forms of industrial waste, such as spent nuclear fuel, for which no universally accepted disposal methods’ have thus far been developed.

Yet many also see waste as an opportunity. Getting rid of it all has become a huge global business. Rich countries spend some $120 billion a year disposing of their municipal waste alone and another $150 billion on industrial waste. The amount of waste that countries produce tends to grow in tandem with their economies, and especially with the rate of urbanization. So waste firms see a rich future in places such as China, India and Brazil, which at present spend only about $5 billion a year collecting and treating their municipal waste.

Waste also presents an opportunity in a grander sense: as a potential resource. Much of it is already burned to generate energy. Clever new technologies to turn it into fertiliser or chemicals or fuel are being developed all the time. Visionaries see a world without waste, with rubbish being routinely recycled.

Until last summer such views were spreading quickly. But since then plummeting prices for virgin paper, plastic and fuels, and hence also for the waste that substitutes for them, have put an end to such visions. Many of the recycling firms that had argued rubbish was on the way out now say that unless they are given financial help, they themselves will disappear.

Subsidies are a bad idea. Governments have a role to play in the business of waste management, but it is a regulatory and supervisory one. They should oblige people who create waste to clean up after themselves and ideally ensure that the price of any product reflects the cost of disposing of it safely. That would help to signal which items are hardest to get rid of, giving consumers an incentive to buy goods that create less waste in the first place.

That may sound simple enough, but governments seldom get the rules right. In poorer countries they often have no rules at all, or if they have them they fail to enforce them. In rich countries they are often inconsistent: too strict about some sorts of waste and worryingly lax about others. They are also prone to imposing arbitrary targets and taxes. California, for example, wants to recycle all its trash not because it necessarily makes environmental or economic sense but because the goal of “zero waste” sounds politically attractive.

Many recycling firms are disappointed now for the reason that()

A. clever new technologies are updating too quickly to bring any profit

B. they will have no resources to use in a world without waste in the future

C. low prices for recycling products leave little margin to make money

D. governments are reluctant to give financial help to survive the crisis

题型:单项选择题 案例分析题

有关控制文件的配置,Oracle所推荐的最低要求是什么

A.一个控制文件
B.两个控制文件放在同一个硬盘上
C.两个控制文件放在不同的硬盘上
D.3个控制文件放在同一个硬盘上
E.3个控制文件分别放在不同的硬盘上

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