In the first paragraph, the word "environments" could best be replaced by

试卷相关题目

• 1Some plants and animals develop superior characteristics so that they may

  A.help others of their kind get food, shelter and other things needed.

  B.survive even in extremely severe conditions

  C.become better adapted to the environments than others of their kin

  D.D.result in the evolution and production of more intelligent organisms.

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• 2Letters to the editor enable readers of a medical journal to express comments on

  A.any medical event.

  B.articles published in the same issue.

  C.articles published in that journal

  D.medical development.

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• 3An article dealing with results from different studies on the same topic is called

  A.a research article.

  B.a review article.

  C.a case report.

  D.an editorial.

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• 4How many major types of articles are mentioned in the passage、

  A.Five.

  B.Seven.

  C.Four.

  D.Six.

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• 5Which of the following statements is NOT true、

  A.Many medical journals also publish online.

  B.A few medical journals are general medical journals.

  C.Most medical journals publish only online.

  D.Most medical journals are specialty journals.

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• 6It can be inferred from this passage that the feathers of a bird care colored

  A.to frightened its enemies.

  B.to attract its enemies

  C.to adjust its body heat

  D.to match its environment

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• 7Which of the following is not directly mentioned、

  A.A living thing may adapt in its structure.

  B.An organism may adapt in its function.

  C.A living creature may adapt in its genetic makeup.

  D.A living organism may adapt in its sleeping habit.

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• 8The author cites the behavior of warm-blooded mammals in order to illustrate which of the following、

  A.A living thing may have the ability to create an environment of its own

  B.A living creature may have the ability to remain still when an enemy is near.

  C.A living creature may have the ability to make food from its inorganic chemicals

  D.A living creature may have the ability to change the color of its skin.

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• 9What have the Ford motor company.General Motor's and Honda done concerning electric cars、

  A.They have started to produce electric cars.

  B.They have done extensive research on electric Cars

  C.They have given up producing electric cars.

  D.They have produced thousands of electric Cars

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• 10According to Tim Holmes of Ford Europe,battery-powered cars

  A.will be the main transportation vehicles in the future

  B.will not be the main transportation vehicles in the future.

  C.will be good to the environment in the future

  D.will replace petrol—powered vehicles in the futur

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