It is known from the first paragraph that ________.

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• 1What 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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• 2Which 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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• 3Nanoparticles 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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• 4What 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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• 5What is the main source of the dangerous particles along the sea、

  A.Sea traffic emissions.

  B.Cars along the coast.

  C.Factories nearby.

  D.Natural production of sea.

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• 6What does “both those responses to tears”(Line 6, Para, 1) refer to、

  A.Crying out of sorrow and shedding tears for happiness.

  B.The embarrassment and unpleasant sensation of the observers.

  C.The tear shedder’s apology and the observer’s effort to stop the crying.

  D.The tear shedder’s apology and the observer’s effort to stop the crying.

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• 7“Counterproductive” (Lines 6-7, Para,1) very probably means “________”.

  A.having no effect at all

  B.leading to tension

  C.producing disastrous impact

  D.harmful to health

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• 8What does the author say about crying、

  A.It is a pointless physiological response to the environment.

  B.It must have a role to play in man’s survival.

  C.It is meant to get attention and assistance.

  D.It is meant to get attention and assistanc

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• 9What can be inferred from the new studies of tears、

  A.Emotional tears have the function of reducing stress.

  B.Exposure to excessive medication may increase emotional tears.

  C.Emotional tears can give rise to “dry eye” syndrome in some cases.

  D.Environmental pollutants can induce the shedding of emotional tears.

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• 10In the face of a mission-critical decision, people tend to ______.

  A.trust their own efforts

  B.rely on research findings

  C.get affected by other’s opinion

  D.seek help from the more knowledgeable

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