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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16处填上正确答案（）
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既息风止痉又祛风通络的药物是（）
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当气温垂直递减率ｒ﹦0时，表明（）
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关于导爆管雷管的说法错误的是（）。
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开展以班级规章制度为核心的__________，是班主任工作的重要内容之一。
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LZ型螺杆钻具的液马达：在其垂直于轴线的截面，定子和转子是共轭曲线。定子螺旋面瓣数比转子（）瓣，形成工作容腔，当高压泥浆通过工作容腔时，迫使转子在定子容腔内行星运动，万向轴把转子的行星运动转换成定轴转动，将其输出的扭矩和转速传递给传动轴以至钻头。
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蜈蚣的身体可明显地分为（）。?
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（）属于文献的四个要素
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虚拟企业就是由多个企业群体基于市场机遇而结成都的一种动态联盟。()
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有关正常成年人睡眠周期的叙述，正确的是（）。