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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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泰勒的主要著作有（）。
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蒸汽管路的水击现象
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钢是一种以（）为基体的合金。
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皮肌炎属于（）
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为什么汽缸式做成上、下缸的形式？
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改正下列句子中用词不当的地方并说明理由。 （1）那时候我年纪小，尚不懂事，每天只知道玩。 （2）地里绿油油的庄稼，随着徐徐春风轻轻地摆曳。
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简述典型浊积岩的垂向序列（鲍玛序列）特征。
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无菌术?
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有科学精神、爱国、勤劳、守纪律描述的是（）的性格类型。