2. 外语
  3. When can people see 14,000 stars? Does the writer think growing cities affect astronomers’ work? Why does he think so?

When can people see 14,000 stars? Does the writer think growing cities affect astronomers’ work? Why does he think so?

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问题 When can people see 14,000 stars?
Does the writer think growing cities affect astronomers’ work? Why does he think so?
选项 A、Yes. Because the once dark rural areas are polluted by lights.
B、No. Because they can still see stars in rural areas.
C、Yes. Because rural areas are not a good place for astronomers m study stars.
D、No. Because faint light given off by stars can still be seen on a clear night.
答案A
解析 答案在第五段中可以找到。随着城市规模的扩大，曾经黑灯瞎火的乡村逐渐变成了市郊，那里的灯火使科学家无法观测到星体发出的微弱光芒。
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