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试卷相关题目

• 1The word “fraction” in the second paragraph means

  A.a very small amount.

  B.a large area.

  C.an important system.

  D.a major source of information

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• 2Most of the fresh water on Earth

  A.is stored underground.

  B.is in the form of ice at the Poles and on mountains.

  C.is found in rivers and lakes.

  D.comes from the rain.

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• 3The total quantity of water on Earth

  A.remains almost unchanged.

  B.has greatly increased in recent years.

  C.is decreasing constantly.

  D.is affected by global warming.

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• 4Liquid water only exists

  A.in the center of the earth.

  B.on the surface of our planet.

  C.in a very narrow range of temperatures.

  D.in the coastal areas of the earth.

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• 5The half-life of C-14 is about 25，000 years.

  A.Right

  B.Wrong

  C.Not mentioned

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• 6What is responsible for processing the information sent by your eyes？

  A.The magnetic system in the brain.

  B.The central part of the heart.

  C.Oxygen-rich bloo

  D.D.Neurons in the brain.

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• 7The function of an fMRI machine is

  A.to show how neutrons take in oxygen-rich blood.

  B.to measure how dense the blood is in the brain.

  C.to record how much oxygen the brain consumes.

  D.to identify which parts of the brain are processing information

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• 8The expression “highlighting the areas of the brain at work' in paragraph 5 means

  A.giving light to the parts of the brain that are processing information.

  B.marking the parts of the brain that are processing information.

  C.putting the parts of the brain to work.

  D.preventing the parts of the brain from working.

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• 9The researchers experimented on

  A.animals and objects.

  B.fMRI machines.

  C.two volunteers.

  D.thousands of pictures.

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• 10Which of the following can best replace the title of the passage？

  A.Recent Development in Science and Technology.

  B.Your Thoughts Can Be Scanned.

  C.A Technological Dream.

  D.An Intelligent Robot.

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