The passage is most probably a preface to ____.

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• 1Lens designers today ____.

  A.have a large source of help to fall back on

  B.receive a low salary

  C.are less respectable than those of the past

  D.are not decisive in the lens design

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• 2Which of the following words cannot be used to describetoday's lenses、

  A.More delicate.

  B.Cheaper.

  C.Numerous.

  D.Unpopular.

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• 3After the passage the author will talk about ____.

  A.the principles of designing lenses

  B.techniques of making contact lenses

  C.the design of photographic lenses

  D.styles of lenses

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• 4The final goal of designing a lens is ____.

  A.to trap the opponent's lenses

  B.to focus light with lenses

  C.to handmake lenses at low cost

  D.to reflect light by means of curved surfaces

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• 5Lens design and chess playing are similar in that ____.

  A.the final goal and the means by which it can be reached are known

  B.perfect solutions to a problem can be found

  C.any one decision at any point along the way to the goal can bringnumerous possible results

  D.both A and C

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• 6In part I, the writer arranges the chapters in the orderof ____.

  A.Introduction—Organization—Special Problems—Style—Nonformal Reports

  B.Introduction—Style—Organization—Special Types of Reports—Mechanics

  C.Introduction—Style—Organization—Mechanics—Special Problems

  D.Introduction—Style—Proposals—Special Problems—Mechanics

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• 7You can find some writing exercises in ____.

  A.the chapter on Organization

  B.the chapter on Style

  C.the chapter on Special Problems

  D.the chapter on Proposals

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• 8According to the passage, the chapter on Oral Presentationof Technical Information appears in ____ of the book.

  A.Part Ⅰ of the first edition

  B.Part Ⅱ of the second edition

  C.Part Ⅰ of the second edition

  D.Part Ⅱ　of the third edition

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• 9Which of the following is not true of Part Ⅱ of the new edition、

  A.There isn't the chapter on Special Types of Reports.

  B.The chapter on Oral Presentation of Technical Information is rewritten and expanded.

  C.The chapter on Proposals is a revised chapter.

  D.There is a change of the title of Chapter 8.

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• 10____ allow the vegetable to go bad, he sold them at half price.

  A.More than

  B.Rather than

  C.Other than

  D.Better than

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