Belle would be fed some fruit juice if she

试卷相关题目

• 1Scientists think that the decline of amphibians could

  A.cause environmental change.

  B.cause a decline in other kinds of animals.

  C.be a warning signal for human beings.

  D.be a good sign for human beings.

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• 2Coal miners once used the canary bird to detect

  A.poisonous gases.

  B.air pollution.

  C.water leakage.

  D.radiation.

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• 3The arroyo toad is disappearing because

  A.it has been threatened by frogs.

  B.it is losing its habitat.

  C.a disease has been killing its eggs.

  D.it can't bear the cold of winter.

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• 4Amphibians lay their eggs

  A.in any stream they can find,

  B.in places without UV light,

  C.only on san

  D.D.only in the right conditions

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• 5Losing amphibians means losing

  A.knowledge about fatal human diseases.

  B.knowledge about air and water pollution.

  C.a chance to discover new medicines.

  D.an opportunity to detect poisonous gases.

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• 6The wires fixed under Belle's cap were connected to

  A.a plastic box next door.

  B.a computer at Cambridge University,

  C.a box of electronics in the booth.

  D.a box which, in turn, was linked to two computers

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• 7Which of the following is NOT true of the robot built by Srinivasan、

  A.It was directed by signals converted from the electrical activity in Belle's brain

  B.It converted the electrical patterns into instructions for the other robot.

  C.It was six hundred miles away from where Belle was.

  D.It could perform the same function as Belle did.

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• 8Which of the following statements indicates the success of the experiment、

  A.Belle responded to the robots successfully.

  B.Belle and the robots danced beautifully.

  C.Belle and the robots responded to the lights at the same time.

  D.The two robots moved the joysticks successively.

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• 9The short-term goal of the research is to help a person

  A.whose motor cortex is seriously damaged.

  B.who can operate a wheelchair but not a robotic limb.

  C.who has spinal cord injury but is able to move a wheelchair.

  D.who is unable to move but whose motor cortex is not damaged

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