填空题Questions 14-18 Reading Passage 2 has five paragraphs, A-E. Which paragraph contains the following information? Write the correct letter, A-E, in boxes 14-18 on your answer sheet.
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A reason why we cannot learn much more about Giles 581g in the near future
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An estimate of the number of planets in habitable zones
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An explanation for why Giles 581g may not rotate
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Giles 581g's location in relation to other planets