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患者，女性，55岁。行毕Ⅱ式胃大部切除术(近端空肠对小弯)，术后1周进食后上腹部胀痛伴恶心、呕吐，吐出物为大量胆汁样液体，不含食物。查体：上腹略饱满，轻压痛。最可能的原因是
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(42--43题共用题干) 患者，女性，50岁。颈前肿大伴疼痛1 周。半个月前有上呼吸道感染史。查体：双侧甲状腺肿大，质地韧，有压痛。实验室检查：血沉快，T3、T4升高，摄碘率下降。 初步诊断是
可引起Ⅱ型呼吸衰竭的是
术中发现明显肝硬化，肝脏切除量最多不应超过肝脏总体积的
听力原文：Narrator Listen to part of a conversation between a student and a professor. Student How are you, Professor Smith! Professor How are you, Gillian! Anything I can do for you？ Student Well, I know youve been studying old age and just presented a very interesting and original report on it. And people are now talking a lot about old age. Im a volunteer reporter with the students journal Sailor, so I decide to write something in the journal about it. So, would you please spare me a few minutes？ Professor Sure! Im very happy that my report has attracted a reporters attention. Student Many thanks! Professor Smith, can you tell me what you think your report on old people will achieve？ Professor We hope that it will help to change peoples feelings about old age. The problem is that far too many of us believe that most old people are poor, sick, lonely and unhappy. And this is very dangerous for our society. Student But surely we cant escape the fact that many old people are lonely and many are sick. Professor No, we cant. But we must also remember that the proportion of such people is no greater among the 60 to 70 age group than among the 50 to 60 age group. Student In other words, you mean, there is no more mental illness, for example, among the 60 to 70-year olds than the 50 to 60-year olds. Professor Right. And why should there be？ Why should we expect people to change suddenly when they reach their 60th or 65th birthday any more than they did when they reached their 21st？ Now that the computer age has arrived in industry, the normal age for retirement may be lowered to 60 or even 55. Shall we then say that old age begins at 55？ Student But one would expect there to be more physical illnesses among old people, surely？ Professor Why should one expect this？ After all, those people who reach the age of 65 or 70 are the strong among us. The weak die mainly in childhood, then in their 40s and 50s. Furthermore, by the time people reach 60 or 65, they have learned how to look after themselves; they keep warm, sleep regular hours, and eat sensibly. Student This sounds reasonable. But there are still a lot of people who suffer from physical illness. Professor Of course, some old people do suffer from physical illness, but these do not suddenly develop on their 65th birthday. People who are healthy in middle age tend to be healthy in old age, just as one would expect. Student Are peoples mental abilities affected by old age？ Professor Certain changes do take place as we grow older, but this happens throughout life. These changes are very gradual, and happen at different times with different people. But, in general, if you know a person well in his middle age and have seen how he deals with events and problems, you will easily recognize him in old age. Student So someone who enjoys new experiences travel, education, and so on in his middle years will usually continue to do so into old age. Professor Exactly. And we have carried out some very interesting experiments about old peoples mental abilities. Student Really？ Would you please say something about the experiments？ Professor Sure. In the experiments, we have two groups of people. One group are aged 60 to 70 and the other aged 30 to 40. They were required to learn the same things. The first thing we discovered was that the old group took longer to learn; eventually they performed as well as the young group. And when we tested the two groups several weeks later, there was again no difference between the two groups. Student Thats very interesting indeed. All right, Professor Smith. I wish that I could hear more about your studies but I have another appointment with Professor Jackson at five oclock. Thank you so much for having accepted my interview. Professor You are welcome. Student Good-bye, Professor Smith. Professor Bye-bye. Now get ready to answer the questions. You may use your notes to help you answer. 7. What is the purpose of the professors research on old people？ 8. According to the interview, which of the following is NOT included in the publics ideas about old people？ 9. What can we learn from the professors experiments？ Listen again to part of the conversation. Then answer the question. Professor Why should we expect people to change suddenly when they reach their 60th or 65th birthday any more than they did when they reached their 21st？ Now that the computer age has arrived in industry, the normal age for retirement may be lowered to 60 or even 55. Shall we then say that old age begins at 55？ 10. What does the professor actually mean when he says this？ Professor Why should we expect people to change suddenly when they reach their 60th or 65th birthday any more than they did when they reached their 21st？ 11. What can be inferred from the professors remarks？ Professor Of course, some old people do suffer from physical illness, but these do not suddenly develop on their 65th birthday. People who are healthy in middle age tend to be healthy in old age, just as one would expect.Narrator Listen to part of a conversation between a student and a professor. Now get ready to answer the questions. You may use your notes to help you answer.
What is the purpose of the professors research on old people？
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