After the passage the author will talk about ____.

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• 1The 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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• 2Lens 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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• 3One of the features of REM sleep is that ____.

  A.there are large slow waves, though rapid for the first few minutes

  B.you have the deepest sleep

  C.there are no brain waves

  D.the brain waves are a little fast and the brain becomes a littleactive

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• 4In the second paragraph the word “dart” means ____.

  A.glare

  B.move rapidly or suddenly

  C.stop moving

  D.gaze

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• 5The brain waves are the slowest during ____.

  A.stage 1

  B.stage 2 and stage 3

  C.stage 4

  D.REM sleep

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• 6Which of the following words cannot be used to describetoday's lenses、

  A.More delicate.

  B.Cheaper.

  C.Numerous.

  D.Unpopular.

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• 7Lens 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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• 8The passage is most probably a preface to ____.

  A.a technical writing handbook

  B.a handbook on composition

  C.a book on a literary writing

  D.a scientific paper

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• 9In 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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• 10You 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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