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When the first white men arrived in Samoa, they found blind men, who could see well enough to describe things in detail just by holding their hands over objects. In France, Jules Romaine tested hundreds of blind people and found a few who could tell the difference between light and dark. He narrowed their photosensitivity(感光灵敏度) down to areas on the nose or in the finger tips. In 1960 a medical board examined a girl in Virginia and found that, even .with thick bandages over her eyes, she was able to distinguish different colors and read short sections of large print.
Rosa Kuleshova, a young woman in the Urals, can see with her fingers. She is not blind, but because she grew up in a family of blind people, she learned to read Braille (盲文) to help them and then went on to teach] herself to do other things with her hands. She was examined by the Soviet Academy of Science, and proved to be genuine. A scientist made an intensive study with her and found t
A. The men in Samoa were not quite blind.
B. A girl called Virginia could read newsprint even when she was blindfolded.
C. Rosa' s ability to see was confined to her fingers.
D. The result of the last test on Rosa was least doubtable.
Text 1
When Dr. John W. Gofman, professor of medical physics at the University of California and a leading nuclear critic, speaks of "ecocide’ in his adversary view of nuclear technology, he means the following: A large nuclear plant like that in Kalkar, the Netherlands, would produce about 200 pounds of plutonium each year. One pound, released into the atmosphere, could cause 9 billion cases of lung cancer. This waste product must be stored for 500,000 years before it is of no further danger to man. In the anticipated reactor economy, it is estimated that there will be 10,000 tons of this material in western Europe, of which one table-spoonful of plutonium-239 represents the official maximum permissible body burden for 200,000 people. Rather than being biodegradable, plutonium destroys biological properties.
In 1972 the U.S. Occupational Safety and Health Administration ruled that the asbestos level in the work place should be lowered to 2 fiber
A. estimate the amount of nuclear material in Europe.
B. exemplify one of the possible causes of lung cancer.
C. highlight the measures needed to prevent lung cancer.
D. show the destructive properties of industrial waste materials.
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