What do people think of the suggestion of using nuclear weapons to alter the courses of asteroids、

试卷相关题目

• 1What do scientists say about the collision of an asteroid with Earth、

  A.It is very unlikely but the danger exists.

  B.Such a collision might occur once every 25 years.

  C.Collisions of smaller asteroids with Earth occur more often than expecte

  D.D.It’s still too early to say whether such a collision might occur.

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• 2What does the passage say about asteroids and meteoroids、

  A.They are heavenly bodies different in composition.

  B.They are heavenly bodies similar in nature.

  C.There are more asteroids than meteoroids.

  D.Asteroids are more mysterious than meteoroids.

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• 3                                    Passage ThreeQuestions 18 to 20 are based on the passage you have just heard.

  A.The threat of poisonous desert animals and plants.

  B.The exhaustion of energy resources.

  C.The destruction of oil wells.

  D.The spread of the black powder from the fires.

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• 4                                        Passage TwoQuestions 15 to 17 are based on the passage you have just heard.

  A.His friend gave him the wrong key.

  B.He didn’t know where the back door was.

  C.He couldn’t find the key to his mailbox.

  D.It was too dark to put the key in the lock.

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• 5                                       Passage oneQuestions 11 to 14 are based on the passage you have just heard.

  A.A car outside the supermarket.

  B.A car at the bottom of the hill.

  C.Paul’s car.

  D.The sports car.

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• 6We can conclude from the passage that ________.

  A.while pushing asteroids off course nuclear weapons would destroy the world

  B.asteroids racing across the night sky are likely to hit Earth in the near future

  C.the worry about asteroids can be left to future generations since it is unlikely to happen in our lifetime

  D.workable solutions still have to be found to prevent a collision of asteroids with Earth

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• 7Which of the following best describes the author’s tone in this passage、

  A.Optimistic.

  B.Critical.

  C.B.Critical.C.Objective.

  D.Arbitrary.

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• 8The passage mainly discusses ________.

  A.a new way of highway speed control

  B.a new pattern for painting highways

  C.a new approach to training drivers

  D.a new type of optical illusion

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• 9On roads painted with chevrons, drivers tend to feel that ________.

  A.they should avoid speed-related hazards

  B.they are driving in the wrong lane

  C.they should slow down their speed

  D.they are approaching the speed limit

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• 10The advantage of chevrons over straight, horizontal bars is that the former ________.

  A.can keep drivers awake

  B.can cut road accidents in half

  C.will have a longer effect on drivers

  D.will look more attractive

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