According to the passage, the main problem about night work is that

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• 1The question raised in paragraph 1 is "no more academic one"

  A.because Bonjer's findings are different from Browns.

  B.because sleep normally coincides with the hours of darkness.

  C.because some people can change their sleeping habits easily.

  D.because shift work in industry requires people to change their sleeping habits.

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• 2It can be inferred from the passage that many tasks in our society have to be carried out

  A.under severe weather conditions

  B.without any effort.

  C.without any delay.

  D.with eas

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• 3After reading the passage, you may conclude that

  A.the Indian system is also suitable for some small towns.

  B.the Indians tended to follow orders.

  C.our system is much better than the Indians'.

  D.the Indian system would be very difficult to implement in our society

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• 4According to the author, it is hard for a society to work without

  A.a recognized authority.

  B.enough money.

  C.examples.

  D.changes.

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• 5Members of the tribes got others to do things

  A.with resolution.

  B.by examples.

  C.by force.

  D.with effort.

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• 6According to the passage, the best solution on the problem seems to be

  A.not to change shifts from one week to the next.

  B.to make periods on each shift longer.

  C.to employ people who will always work at night.

  D.to find ways of selecting people who adapt quickly.

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• 7In the second paragraph, “the third" means

  A.the third week.

  B.the third shift.

  C.a third of the time.

  D.the third routin

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• 8In the last sentence of the second paragraph, "another" means

  A.another routine.

  B.another shift.

  C.another week.

  D.another person.

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• 9To reduce car crash rate,many scientists are working hard to

  A.design fully automatic cars.

  B.develop faster electric vehicles.

  C.analyze road deaths occurring worldwide each year.

  D.improve the safety of cars and develop new fuels.

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• 10According to the second paragraph,most road accidents happen due to

  A.heavy traffic.

  B.human mistakes.

  C.B.human mistakes.C.engine failure.

  D.bad weather.

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