How does light pollution affect wildlife.9 Which of the following is NOT correct、

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• 1Does the writer think growing cities affect astronomers' work、 Why does he think so、

  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 to study stars.

  D.No. Because faint light given off by stars can still be seen on a clear night.

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• 2Which of the following statements is NOT related to light pollution、

  A.A haze of light is formed from artificial lights such as streetlights and building lights.

  B.Lights from different sources in the city stream into space and illuminate the night sky.

  C.The night sky is illuminated by the lights from big glowing cities in the night.

  D.Stargazing becomes difficult because there is a layer of haze in the air.

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• 3When can people see 14,000 stars、

  A.When they have a fairly good telescope.

  B.When they are in a large city.

  C.When the night sky is clear of clouds, moonlight and artificial lights.

  D.When the night sky is without haze and fog.

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• 4How does the author feel about the prospect of protecting endangered species from being extinct、

  A.Worried.

  B.Optimisti

  C.C.Indifferent.

  D.Confident.

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• 5According to the passage, which of the following is most important in saving declining species、

  A.Governments should make some laws to protect endangered species.

  B.People should pay more attention to the protection of natural surroundings.

  C.Relevant law must be made and enforced with the support of the people.

  D.Some organizations should warn people not to trade in endangered animals.

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• 6Which of the following is closest in meaning to the title "Light Night, Dark Stars" 、

  A.The night sky is light colored and stars are black.

  B.Lights appear at night and stars are seen in the dark.

  C.City lights illuminate the night sky and make stars invisible.

  D.City lights at night illuminate stars in the sky.

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• 7Backpacks are convenient because

  A.they can be very large.

  B.they can hold as many things as you want to carry.

  C.your hands are freed to do other things.

  D.you do not have to carry things with you.

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• 8What is the most important feature of the backpack invented by Lawrence C. Rome and his colleagues、

  A.It produces electricity for electronic devisees while the wearer walks.

  B.It can be used as cell phones, GPS in the military actions or field studies.

  C.It is small and convenient.

  D.It is light and easy to carry.

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• 9The word "springs" in Paragraph 3 means

  A.a small stream of water flowing naturally from the earth.

  B.the season of the year, occurring between winter and summer.

  C.the act or an instance of jumping or leaping.

  D.a length of metal wound around, which returns to its original shape after being pushed.

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• 10According to Paragraph 4, what does Rome plan to do、

  A.To make the backpack more comfortable for the wearer.

  B.To put the backpack on the market.

  C.To test the advantage of the backpack.

  D.To promote the backpack in a newspaper or on television.

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