2. 外语
  3. The space age officially began on October 4, 1957,【C1】______the Soviet Union launched the modest 185-pound Sputnik I , the first

The space age officially began on October 4, 1957,【C1】______the Soviet Union launched the modest 185-pound Sputnik I , the first

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问题     The space age officially began on October 4, 1957,【C1】______the Soviet Union launched the modest 185-pound Sputnik I , the first【C2】______satellite to orbit the earth. The following month, Russians successfully  launched the 1100-pound.
    SputnikⅡ,【C3】______carried into space from the globe, a female dog【C4】______Laika, who suffocated (窒息,) on the sixth day of the【C5】______because of a failure【C6】______the internal temperature of the craft. But the satellite itself orbited the earth for 162 days and【C7】______on re-entering the earth’s atmosphere. The United States,【C8】______second fiddle (小提琴) to its superpower【C9】______, orbited its first satellite, Explorer 1, on January 31,1958.It was a lightweight(轻量级的), 18 - pound craft, carrying not animals  but【C10】______instruments to study the【C11】______bands of energy in space【C12】______the Van Allen radiation belts. Within【C13】______fifteen years man had gone to the moon, searching beneath its【C14】______and dusty soil for【C15】______of life (there were【C16】______), and begun probing more distant【C17】______of the solar system.
    Physicist, Werner Von Braun, played a crucial role in this odyssey(史诗), especially in   【C19】______the bold scheme for the 1969【C20】______of three Americans on the moon.
【C17】
选项 A、universe
B、sphere
C、realm
D、space
答案D
解析 universe(宇宙)包括了太阳系，不可能有the universe of solar system的说法；sphere (球体)为可数名词，在of前的可数名词前应有定冠词the，即应为the more distant sphere of， the solar system；realm of后接抽象名词，表示：“……领域”：the realm of science 科学领域； space 空间。
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大学英语四级

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