During the 1990s world oil production will approach geological estimates of maximum production _____ , even with rapidly increasing petroleum prices.

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• 1Children between the age of 2 and 11 cannot comprehend the difference between commercials and television, so they cannot defend themselves against the _____ techniques of commercial television advertising.

  A.persuasive

  B.advisable

  C.irresistible

  D.appealing

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• 2Both men and women, nine times out of ten,are firmly _____ of the superior excellence of their own sex.

  A.asserted

  B.ensured

  C.convinced

  D.conceived

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• 3Tests have proved that caffeine affects the body by increasing the heart rate and rhythm, which _____ affects the circulatory system.

  A.in the long run

  B.in turn

  C.in return

  D.as a result

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• 4Children going to school must have a chance to _____ excess physical energy; children even more than adults require and enjoy physical exercise and games of all kinds.

  A.work off

  B.let off

  C.play off

  D.put off

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• 5Some people say that if the holder of chopsticks pushes them _____ his stomach to even them up instead of tapping them on the table, the chances are he is a coolie.

  A.on

  B.against

  C.at

  D.to

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• 6It would be very difficult for a library to be without dictionaries and encyclopedea; such reference books are _____ .

  A.unavoidable

  B.inevitable

  C.indispensible

  D.fundamental

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• 7To remain competitive in the international market place, U.S. industries have recognized that they must attract the brightest, most _____ young people available.

  A.committed

  B.dedicated

  C.determined

  D.contributed

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• 8However dull work may be, it becomes bearable if it is a means of building up _____ , whether in the world at large or only in one's own circle.

  A.admiration

  B.vanity

  C.honour

  D.reputation

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• 9Job applicants often developed the suspicion that _____ are set aside for friends and relatives and that advertisements are only put out to avoid this accusation.

  A.positions

  B.vacancies

  C.occupations

  D.posts

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• 10But people who read hour after hour or work where the eyes are kept steadily at one focus soon may come to need glasses to correct their _____ .

  A.vision

  B.view

  C.visibility

  D.perception

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