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    Scientists are making new studies of color and its effects on our health. They have known for a long time that the color of a room or the color of the light in it can affect our feelings and emotions. Many prisons and hospitals have at least one room that is painted pink. Officials have found that light and color can produce physical changes in our bodies.

    Professor Falfan worked with a group of 9 disabled children at school in Albert. Two of the children were blind. The other seven had normal sight. The scientists changed the color of the school room, and then looked for changes in blood pressure, heart beat and breathing rate. The effects of color changes were the same for the blind children as for those with normal sight. Their blood pressure dropped from about 120 to 100. Similar changes were reported in heart-beat and the breathing. The children were also calmer and less excited. Then the colors of the room were returned to orange and white. Blood pressure, heart-beat and breathing rate went up and the children became excited again.

    Professor Falfan said different colors produce different levels of light energy. He said the differences seem to affect chemicals in the brain that carry messages from nerve to nerve and from nerve to muscle.

    1.Light and color can affect ________.

    A．only one’s feelings and emotions

    B．one’s energy

    C．one’s mental changes

    D．one’s heart-beat, brain activities, blood pressure, feelings and emotions

    2.The color of pink had a calming effect, that is to say, the color affects ________.

    A．the chemicals in the brain

    B．the eyes

    C．the skin

    D．the muscle

    3.According to the text, orange and white are colors which can make people ________.

    A. calm B. active C. sick D. blind

    4.The colors in the school room mentioned in the passage were changed from ________.

    A. orange to white

    B. orange to dark blue

    C. orange and white to pink or some other colors

    D. gray to more colors

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