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充血性心衰所产生的胸腔积液为
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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. What are the readers likely to do if the abstract appeals to them The readers are likely to（）.
[听力原文]M: Will you go to the beach with us tonight, MaryW: I’d love to, but my mother wants me to drive her to the airport. She’ll go to France to see my brother. What’ll Mary do tonight（）
The national anthem of Australia is now the tune of ______, but on regal and vice-regal occasions God Save the Queen must be played.
金黄色葡萄球菌肺炎并发的胸腔积液最常见为
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