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. scholars
B. crew
C. groups
D. schools
打击是社会治安综合治理的首要环节，是落实综合治理其他措施的关键
积极的预防工作，是减少各种治安危害和维护社会治安秩序的基本措施
围绕治安问题开展的社会教育，是维护社会治安的战略性措施
加强行政管理减少治安危害.建立良好社会秩序的重要手段，是直接维护社会治安秩序的基础工作
Ⅲ Cloze Directions: For each blank in the following passage, there are four choices given below and marked A, B, C and D. Choose the one that is most suitable and blacken the corresponding letter on the Answer Sheet. All the useful energy at the surface of the earth comes from the activity of the sun. The sun heats and feeds mankind. Each year it (21) men with two hundred million tons of grain and (22) ten million tons of wood. Coal, oil natural gas, and all other (23) are stored-up energy from the sun. It was collected by the plants as carbon compounds and stored (24) ago. Even waterpower comes from the sun. Water (25) into vapor by the sun falls as rain. It runs (26) the mountains and is converted to electric power. Light transmits only the energy (27) comes from the sun’ s outer layers, and (28) of this energy that is directed toward the earth never arrives. About (29) of it is a
A. litle
B. a little
C. much
D. few
Demands for stronger protection for wildlife in Britain sometimes hide the fact that similar needs are left in the rest of Europe. Studies by the Council of Europe, of which 21 countries are members, have shown that 45 percent of reptile species and 24 percent of butterflies are in danger of dying out.
Europe concern for wildlife was outlined by Dr, Peter Baum, an expert in the environment and nature resources division of the council, when he spoke at a conference arranged by the administrators of a British national park. The park is one of the few areas in Europe to hold the council’s diploma for nature reserves (自然保护区) of the highest quality, and Dr. Baum had come to present it to the park once again. He was afraid that public opinion was turning against national parks, and that those set up in the 1960s and 1970s could not be set up today. But Dr. Baum clearly remained a strong supporter of the view that natural environment needed to be allowed to survive in peac
A. could never survive in a modern age
B. should provide building for human activities
C. should be regarded as a place where nature is protected
D. could provide special areas for tourist to enjoy
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