As is given in the first paragraph, the reason why the car has become a problem is that ________.

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• 1What should be the next step of the research、

  A.To ensure the government’s legislation and regulation.

  B.To ensure the sources are larger than the samples.

  C.To ensure the water quality when applying to large resources.

  D.To ensure the safety of tailing ponds and environment.

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• 2All of the statements are true about the new method EXCEPT that ________.

  A.The new method is cheaper since nanoparticles can be recovered

  B.the new method can remove the pollutants from water completely

  C.the new method makes use of membrane filtering and chlorine

  D.the new method saves energy since it depends on sunlight

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• 3Which of the following is true about the traditional treatments、

  A.They are efficient and work well all the time.

  B.They are more dangerous to environment.

  C.They are comparatively cheap to adopt.

  D.They are inconvenient for implementation.

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• 4Which of the following is true about naphthenic acids、

  A.They hurt the environment and human health.

  B.They can only exist in water within hours.

  C.They can take in sunlight by nanoparticles.

  D.They can biodegrade naturally and quickly.

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• 5What is photocatalysis、

  A.The wastewater that biodegrade naturally.

  B.The reaction that nanoparticles absorb sunlight.

  C.The research team that makes the discovery.

  D.The research team that makes the discovery.

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• 6According to the passage, the car started to gain popularity because ________.

  A.it didn’t break down as easily as a horse

  B.it had a comparatively pleasant odor

  C.it caused less pollution than horses

  D.it brightened up the gloomy streets

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• 7What impact did the use of cars have on society、

  A.People were compelled to leave downtown areas.

  B.People were able to live in less crowded suburban areas.

  C.Business along trolley and rail lines slackene

  D.D.City streets were free of ugly overhead wires.

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• 8Mr.Flink argued in his book that cars would not be widely used in other countries because ________.

  A.the once booming car market has become saturated

  B.traffic jams in those countries are getting more and more serious

  C.expensive motorways are not available in less developed countries

  D.people worry about pollution and the diminishing oil resources

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• 9What’s wrong with Mr. Flink’s prediction、

  A.The use of automobiles has kept increasing worldwide.

  B.New generations of cars are virtually pollution free.

  C.The population of America has not increased as fast.

  D.People’s environmental concerns are constantly increasing.

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• 10Catherine Brown and her friends feel that having children is not ______.

  A.totally wise

  B.a huge problem

  C.a rational choice

  D.absolutely necessary

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