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  3. Robert J. Oppenheimer was a famous American physicist, who directed the development of the first atomic bombs. Oppenheimer w

Robert J. Oppenheimer was a famous American physicist, who directed the development of the first atomic bombs. Oppenheimer w

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问题     Robert J. Oppenheimer was a famous American physicist, who directed the development of the first atomic bombs.
    Oppenheimer was born in New York City on April 22, 1904, and was educated at Harvard University and the University of Cambridge. After【C1】______the International Education Board from 1928 to 1929, he became a professor of physics at the University of California and the California Institute of Technology, where he built up large【C2】______of theoretical physics. He was noted for his contributions relating to the theory of relativity, cosmic rays, and neutron stars.
    From 1943 to 1945, Oppenheimer served as director of the atomic bomb project at Los Alamos, New Mexico. His leadership and organizational skills【C3】______him the Presidential Medal of Merit in 1946. In 1947 he became director of the Institute for Advanced Studies in Princeton, New Jersey, serving there【C4】______the year before his death. He was also chairman of the General Advisory Committee of the Atomic Energy Commission from 1947 to 1952 and served【C5】______as an adviser. In 1954, however, he was suspended from this position【C6】______his past association with Communists. This action reflected the political atmosphere of the time, as well as the dislike of some politicians and military【C7】______for Oppenheimer’s opposition to development of the hydrogen bomb and his support of arms control. His loyalty was not really in doubt.【C8】______efforts were made to clear his name, and in 1963 the AEC【C9】______him its highest honor, the Enrico Fermi Award. Oppenheimer【C10】______his final years to study of the relationship between science and society. He died in Princeton on February 18, 1967.
【C4】
选项 A、yet
B、not yet
C、not until
D、until
答案D
解析 yet“但是”；not yet“还没有”；not until“直到…才”；until“在…以前”。根据句意，这里应该是说“直到他去世”。故选D。
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