In people in their mid-70s, only 0. 45 percent of cardiomyocytes _ .

试卷相关题目

• 1The finding could prove to be useful to

  A.the analysis of cardiac cells

  B.the prevention of chronic diseases

  C.the treatment of heart disease

  D.the study of longstanding mysteries

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• 2The human heart stops producing cardiac cells

  A.when a person becomes old

  B.as soon as a person gets sick

  C.immediately after a person is born

  D.once a person dies

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• 3Obesity and alcohol consumption may also lead to some other diseases.

  A.Right

  B.Wrong

  C.Not mentioned

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• 4Fewer women died from breast cancer in the UK in 2005 than in 2004.

  A.Right

  B.Wrong

  C.Not mentioned

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• 5Breast cancer is more common in the UK than in many other countries.

  A.Right

  B.Wrong

  C.Not mentioned

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• 6Chronic heart failure is attributed to

  A.the dying heart cells

  B.the effect of pharmceutical

  C.the weight of a patient

  D.the life span of a person

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• 7It is not known yet if the rate of cell turnover in diseased hearts

  A.is high enough to replace cells faster than they're dying off

  B.is of any use to researchers

  C.is the same as that in healthy hearts

  D.changes over time

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• 8The body of the Iceman was found in the mountains mainly because

  A.the melted ice made him visible

  B.two Germans were climbing the mountains

  C.he was lying on the ice

  D.he was just on a mountain pass

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• 9What can be inferred from paragraph 2、

  A.The Iceman was killed while working.

  B.The Iceman lived a poor life.

  C.The Iceman could have died from the wound in the hea

  D.D.The Iceman was struck dead from behind.

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• 10All the following are assumptions once made about the Iceman EXCEPT .

  A.he was a soldier in World War I

  B.he was a Swiss woman's long-lost father

  C.he was born about a thousand years ago

  D.he came from Italy

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