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为说明某医院冬季肺炎等呼吸道疾病在门诊病例中的比重大小，应选用的指标是（）
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下列物质中最易发生酸水解的是
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简述无菌操作规程？
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感染性休克静滴多巴胺的作用是下列哪项（）。
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分样器具：（）。
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烟卷中含有大量的有毒物质——烟碱，烟碱也叫做（）。
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In every cultivated language, there are two great classes of words which, taken together, comprise the whole vocabulary. First, there are those words（1）which we become acquainted in daily conversation, which we（2）,that is to say, from the（3） of our own family and from our familiar associates, and（4） we should know and use （5 ）we could not read or write. They （6） the common things of life, and are the stock in trade of all who （7） the language. Such words may be called“popular”, since they belong to the people （8） and are not the exclusive （9） of a limited class. On the other hand, our language （10） a multitude of words which are comparatively （11） used in ordinary conversation. Their meanings are known to every educated person, but there is little （12） to use them at home or in the market-place. Our （13） acquaintance with them comes not from our mother's （14） or from the talk of our school-mates, （15） from books that we read, lectures that we （16） ,or the more （17）conversation of highly educated speakers who are discussing some particular （18） n a style appropriately elevated above the habitual（19） f everyday life. Such words are called“learned”, and the （20） between them and the“popular”words is of great importance to a right understanding of linguistic process. 请在9处填上正确答案（）
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对称式三轴卷板机的上棍可以（）移动。
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网上市场调研的计划包括（）。
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传导慢痛的神经纤维主要是（）