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

试卷相关题目

• 1This passage mentions all of the following causes for the extinction of many species EXCEPT

  A.natural selection of species.

  B.various natural disasters.

  C.commercial trade and killing.

  D.destruction of natural surroundings.

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• 2In the last sentence of the second paragraph, the word “islands” refers to

  A.the lands that are completely surrounded by water.

  B.the wild animals’ breeding grounds protected by law.

  C.the pieces of land separated by modern buildings and roads.

  D.the small and isolated areas inhabited by certain species.

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• 3According to the passage, which of the following is the most important factor causing the rapid extinction of many species since the 17th century、

  A.Human beings are not aware of the importance of preserving endangered species.

  B.Some endangered species have already reached the end of their life span in evolution.

  C.The development of human society has greatly affected natural ecology systems.

  D.The world’s climate has changed greatly that most species cannot surviv

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• 4The passage is most likely written for researchers.

  A.Right

  B.Wrong

  C.Not mentioned

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• 5You can research the topic by cooperating with others.

  A.Right

  B.Wrong

  C.Not mentioned

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• 6How 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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• 7When 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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• 8Which 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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• 9Does 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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• 10How does light pollution affect wildlife.9 Which of the following is NOT correct、

  A.Animals may go off course due to the attraction of artificial lights.

  B.Animals might be attracted by artificial lights to go into cities.

  C.Artificial lights at night may make migrating birds lose their way.

  D.Attracted by artificial lights, birds fly into lighted buildings.

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