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.
【C16】
选项 A、no
B、not
C、neither
D、none
答案D
解析 no为形容词，not为副词，如用他们，其后还应该接有其他句子成分。none为否定代词，可单独使用。
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