职称英语职称英语理工类全国专业技术人员职称英语等级考试理工类(C级)模拟试题(一)

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• 21You can research the topic by cooperating with others.

  A.Right

  B.Wrong

  C.Not mentioned

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• 22The passage is most likely written for researchers.

  A.Right

  B.Wrong

  C.Not mentioned

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• 23According 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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• 24In 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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• 25This 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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• 26According 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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• 27How 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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• 28When 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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• 29Which 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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• 30Does 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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