Satellite tracking and remote communication systems cna be used to

试卷相关题目

• 1Which of the following safety developments is NOT mentioned in the passage、

  A.Windscreens that can help drivers to improve their vision.

  B.Radars that can help drivers to see obstacles in fog.

  C.Devices that can help drivers to see through big vehicles.

  D.Improvements in seat belts,pedal controls and tyres.

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• 2According 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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• 3To 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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• 4In 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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• 5In 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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• 6Which of the following statements is true of robotic drivers、

  A.It will take some time before robotic drivers are available.

  B.Robotic drivers are not allowed to driveon busy roads.

  C.Robotic drivers can never replace human drivers.

  D.Robotic drivers are too expensive to us

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