Which of the following is true about the traditional treatments、

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• 1Which 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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• 2What 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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• 3Which of the following is true about Hooke’s contribution、

  A.He discovered the mechanism of cells.

  B.He revealed the function of cells.

  C.He discovered small rooms in cutting of cork.

  D.He grasped the full effect of his discovery.

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• 4Hooke did more than his commission, which only required _______ at first.  

  A.looking at nettles to find a cure

  B.looking at louses for medical research

  C.looking at the leaves, glasses and more

  D.looking at insects

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• 5Hooke invented new ways and could see new detail by ______. 

  A.using new filming technology

  B.adopting new lighting sources

  C.introducing new cameras

  D.changing lighting

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• 6All 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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• 7What 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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• 8As is given in the first paragraph, the reason why the car has become a problem is that ________.

  A.poor people can’t afford it

  B.it is too expensive to maintain

  C.too many people are using it

  D.it causes too many road accidents

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• 9According 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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• 10What 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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