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蓄电池有难闻的臭味，是由（）引起的。
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目前对上颌窦癌最佳治疗选择是（ ）
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弧焊变压器的线圈短路时（）。
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面向对象数据模型
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组成自然环境和生活环境的综合体因素是（）
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Excel格式化工具栏中的边框与颜色按钮具有的功能是设置（）。
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心导管检查根据检查部位不同，分_________、__________检查两种。
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我国产品质量认证的具体实施程序是（）。
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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8处填上正确答案（）
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主场优势效应