Although the Kuiper Belt—the icy region of the solar system where Pluto orbits—was once much more crowded, today it has such a l

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问题 Although the Kuiper Belt—the icy region of the solar system where Pluto orbits—was once much more crowded, today it has such a low density of objects that collisions between them are________.
A. inconsequential
B. ongoing
C. unthinkable
D. improbable
E. continuous
F. unlikely

选项

答案D,F

解析 同义重复题。逻辑连接词是such…that,可理解为“非常……因此……”。前面说柯伊伯带曾经相当拥挤(was once much more crowded),然而今天物体密度如此之小(a low density),后面说因此物体问的碰撞是________。密度小,物体间碰撞的可能性自然就小,因此空格表达“可能性小”的含义,D项improbable和F项unlikely符合。
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本试题收录于: GRE VERBAL题库GRE分类
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