[单项选择]

Robert J. Oppenheimer was a famous American physicist, who directed the (1) of the first atomic bombs.
Oppenheimer was born in New York City on April 22, 1904, and was educated at Harvard University and the universities of Cambridge. After (2) 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 (3) of theoretical physics. He was noted for his contributions (4) 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 (5) 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 (6) the year before his death. He was also chairman of the General
A. personnel
B. services
C. figures
D. chiefs

Robert J. Oppenheimer was a famous American physicist, who directed the (1) of the first atomic bombs.
Oppenheimer was born in New York City on April 22, 1904, and was educated at Harvard University and the universities of Cambridge. After (2) 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 (3) of theoretical physics. He was noted for his contributions (4) 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 (5) 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 (6) the year before his death. He was also chairman of the General
A. orientation
B. manipulation
C. development
D. management