题目内容

金黄色葡萄球菌肺炎并发的胸腔积液最常见为

A. 漏出液
B. 渗出液
C. 脓性胸液
D. 血性胸液
E. 乳糜性胸液

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男性,30岁,因受凉后出现畏寒、发热,咳铁锈色痰,伴左侧胸痛。K线胸片左下肺大片密度增高阴影。 肺足球菌肺炎容易并发

A. 脓胸
B. 肺气肿
C. 肺纤维化
D. 机化性肺炎
E. 以上都不是

在评价两个相互排斥的投资方案时应该着重比较其各自的内含报酬率。()

A. 对
B. 错

写信人姓名及地址:Wang Zhigang,Nanhai Textiles Import & Export Inc.,32 Fuxing Road,Beijing 100859,P.R.China收信人及地址:Manager of Chicago Clothes Inc.,1578 Morton Ave.,Chicago,IL. 60053,U.S.

How to Write an AbstractThe rules for writing an abstract (摘要) are almost the same to those for writing the summary of an investigation report. In an abstract you make an outline of the problem and the purpose of your investigation, mention very briefly how you conducted the investigation or tests, describe your main findings, and make the conclusions. All these must be done in as few words as possible: ideally, your abstract will be about 125 words long and never more than 250 words.From the abstract, readers must be able to decide whether the information you provide in the scientific paper or report is particularly interesting to them and whether they should read further. Because a scientific paper is written for readers who generally are familiar with your technical or scientific discipline (学科), you may use technical terminology (术语) in the abstract. The abstract should be written last, when the Whole paper has been written, so that you can make an abstract of the brief details you need from what you have already written. When should you write the abstract After you have finished().

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