2. 外语
  3. This practice book is intended for foreign engineers or students of engineering who have already mastered the elements of Englis

This practice book is intended for foreign engineers or students of engineering who have already mastered the elements of Englis

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问题     This practice book is intended for foreign engineers or students of engineering who have already mastered the elements of English, and who now want to use their knowledge of the language to read books on their own subjects. Readers should understand, however, that the purpose of the book is to teach language, not to teach engineering.
    The language in which scientific and technical facts are expressed is certainly not a different language from that of everyday life, but all the same it presents the foreign student with a number of special problems. The most obvious and the most widely recognized of these problems is the vocabulary. One of the aims of this practice book is to present as many technical words as possible, and as often as possible : words such as work and pain and load and feed and force. Words like these look harmless, but they can cause a lot of trouble to the student.
    But more than anything else, I have tried to describe the technical statement; that is, the completed sentence rather than the individual word. Many of the structures illustrated in the book are essential to the expression of technical facts and ideas-at least for the present.
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答案harmless
解析 从第二段最后一句可知。
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