Which of the following is true about naphthenic acids、

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• 1What 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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• 2Which 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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• 3Hooke 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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• 4Hooke 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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• 5Where did Hooke acquire his technical capacities、 

  A.He learned all by himself.

  B.He learned from his wood work.

  C.He graduated from a famous university.

  D.He learned hard from Wren.

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• 6Which 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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• 7All 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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• 8What 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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• 9As 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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• 10According 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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