What is the main source of the dangerous particles along the sea、

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• 1Which of the following is NOT true about Olaf Olafsson、 

  A.He has been a physicist and novelist.

  B.He has been the president of Advanta.

  C.He has worked for Sony for years.

  D.He has been the CEO of Nintendo.

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• 2Which of the following statements is true about Terry Diebold、 

  A.He is fond of collecting play stations.

  B.He used to dig up treasures underground.

  C.He had worked for Advanta.

  D.He was the former CEO of Sony.

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• 3Dan Diebold did all the following things in Philadelphia EXCEPT that _______. 

  A.he stayed with his family this week

  B.he played the Play Station with his Dad

  C.he shot a video and posted it

  D.he took pictures about his treasure

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• 4Why is the Nintendo Play Station very valuable、 

  A.Because it is rarely found.

  B.Because it has useful functions.

  C.Because it has a famous bran

  D.B.Because it has useful functions.C.Because it has a famous brand.D.Because it has attractive appearanc

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• 5Why do so many people send emails to Dan Diebold、

  A.Because they are interested in Dan’s Play Station.

  B.Because they want to make friends with Dan.

  C.Because they admire Dan Diebold very much.

  D.Because they need help from him.

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• 6What is the advancement made by the new method、

  A.It can detect the origin of these nanoparticles.

  B.It can help remove the pollutants from the sea.

  C.It can identify different kinds of nanoparticles.

  D.It can estimate the amount of pollution.

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• 7Nanoparticles are more dangerous than larger ones because ___________.

  A.they can penetrate deeper into the lungs

  B.they have a larger variety of particles

  C.they derive from a bigger source of pollution

  D.they can travel longer in the air

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• 8Which of the following statements is NOT true about the study、

  A.The study arranged many measuring stations along the wind.

  B.The levels of nanoparticles in the air flows were analyzed.

  C.The study identifies the origins of the nanoparticles.

  D.The study proves dangerous effect of nanoparticles.

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• 9What is the attitude of Kristensson towards the number of premature deaths、

  A.He believes the number is over exaggerated.

  B.He believes there are not so many people died.

  C.He is quite confident about the research finding.

  D.He doubts the data and proposes further studies.

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• 10It is known from the first paragraph that ________.

  A.shedding tears gives unpleasant feelings to American

  B.crying may often imitate people or even result in tragedy

  C.crying usually wins sympathy from other people

  D.one who sheds tears in public will be blamed

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