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可促进胰腺和肝脏分泌NaHCO3的主要胃肠激素是
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Questions 25 and 26 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions. Now listen to the news. What is tile main idea of tile news
A college student becomes so compulsive about cleaning his dorm room that his grades begin to slip. An executive living in New York has a mortal fear of snakes but lives in Manhattan and rarely goes outside the city where he might encounter one. t computer technician, deeply anxious around strangers, avoids social and company gatherings and is passed over for promotion.Are these people mentally iii(46) In a report released last week, researchers estimated that more than half of Americans would develop mental disorders in their lives, raising questions about where mental health ends and illness begins.(47) In fact, psychiatrists have no good answer, and the boundary between mental illness and normal mental struggle has become a battle line dividing the profession into two viscerally opposed camps.On one side are doctors who say that the definition of mental illness should be broad enough to include mild conditions, which can make people miserable and often lead to more severe problems later.(48) On the other are experts who say that the current definitions should be tightened to ensure that limited resources go to those who need them the most and to preserve the profession’s credibility with a public that often scoffs at claims that large numbers of Americans have mental disorders.The question is not just philosophical, where psychiatrists draw the line may determine not only the willingness of insurers to pay for services, but the future of research on moderate and mild mental disorders. (49) Directly and indirectly, it will also shape the decisions of millions of people who agonize over whether they or their loved ones are in need of help, merely eccentric or dealing with ordinary life struggles."This argument is heating up right now," said Dr. Darrel Regier, director 0f research at the American Psychiatric Association, "because we’re in the process of revising the diagnostic manual," the catalog of mental disorders on which research, treatment and the profession itself are based.The next edition of the manual is expected to appear in 2010 or 2011, "and there’s going continued debate in the scientific community about what the cut-points of clinical disease are," Dr. Regier said.Psychiatrists have been searching for more than a century for some biological marker for mental disease, to little avail. (50) Although there is promising work in genetics and brain imaging, researchers are not likely to have anything resembling a blood test for a mental illness soon, leaving them with what they have always had.- observations behavior, and patients’ answers to questions about how they feel and how severe their condition is. (50) Although there is promising work in genetics and brain imaging, researchers are not likely to have anything resembling a blood test for a mental illness soon, leaving them with what they have always had.- observations behavior, and patients’ answers to questions about how they feel and how severe their condition is.
自中国证监会核准发行之日起，上市公司超过2个月未发行股票的，须重新经中国证监会核准后方可发行。（）
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