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题库 > 语法SC > 题目4b85ih
Canadian scientists have calculated that one human being should be struck every nine years by a meteorite, while each year 16 buildings can be expected to sustain damage from such objects.
  • Aone human being should be struck every nine years by a meteorite 分析该选项
  • Ba human being should be struck by a meteorite once in every nine years 分析该选项
  • Ca meteorite will strike one human being once in every nine years 分析该选项
  • Devery nine years a human being will be struck by a meteorite 分析该选项
  • Eevery nine years a human being should be struck by a meteorite 分析该选项
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正确答案: D

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