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Although most people believe that formal schooling is required for scientific success, a college degree is not always necessary. 1. excellent example of a man who won fame as a scientist 2. academic(學(xué)術(shù)的) training is Vincent J. Schaefer. His formal education ended 3. two years of high school when he had to go to work in an untrained job at General Electric. Because 4. his inventive mind and his skill as a model maker, he was soon allowed to try his own experiments in the company laboratory. His natural 5. (curious) made him wonder about clouds. He developed, after many tries, a method of making clouds rain 6. they would not normally do so. This method, 7. (call) seeding, has been very 8. (help) to farmers, and 9. made him win much fame.

Schaefer believes that for people 10. , most of all, are interested in the world and everything in it, a college degree is unnecessary.

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