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2013年职称英语卫生类B级阅读理解专项练习(5)(2)

2012-09-04 

  6 which of the following plays a key role in one's learning and memory?

  A the kidneys

  B the adrenal hormone

  C the stress hormone

  D the hippocampus

  7 when the levels of cortisol go high ,the hippocampus

  A may expand

  B may shrink

  C may disappear

  D may function better

  8 according to the passage, when people are under stress,

  A the adrenal glands will produce cortisol

  B the kidneys will shrink rapidly

  C the hippocampus will produce cortisol

  D the brain will work more efficiently

  9 it app ears that when the hippocampus shrinks sue to high levels of cortisol, other brain regions

  A may change dramatically

  B may stop functioning

  C may remain unaffected

  D may be seriously damaged

  10 the research conducted by porter and land field showed that

  A the levels of adrenal hormones have nothing to do with brain aging

  B changes in the levels of adrenal hormones can affect brain aging

  C chronic stress may strengthen one's memory

  D the rate of brain aging always remains stable

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