问题 单项选择题

某慢性肺心病、肺功能失代偿期老年患者,经吸氧、利尿、洋地黄类药物治疗后,呼吸困难减轻,但出现昼睡夜醒及多言,首先应考虑

A.肺性脑病
B.短暂性脑缺血发作
C.脑梗死
D.肺部感染
E.洋地黄中毒

答案

参考答案:A

解析:根据题干所提供的信息,考虑患者出现了肺性脑病。所谓肺性脑病是指因呼吸功能不全导致缺氧和二氧化碳潴留而引起的神经、精神障碍,二氧化碳潴留对中枢神经系统的影响可表现为先兴奋后抑制,即在肺性脑病的早期往往出现昼夜颠倒、多言多语等兴奋的表现。

完形填空
How can we explain the popularity of neckties? For years, fashion historians have predicted that men would  45 wearing ties because they seemed to have little or no function. It may be that men to them because  ties As long as world and business. leaders continue to wear ties, the young businessmen will  46  them and ties will remain popular.  47 , neckties do have a different kind of appeal. Neckties cover the buttons of the shirt and emphasize the length of a man’s body. They also 48 color and adornment (装饰)to men’s clothing, which is often plain and serious.
Today, there are tens of thousands’ of designs of ties  49 . There are, ties for special  50 he. am for Valentine’s Day, fireworks for the Fourth of July, and Santa Claus for Christmas. There are ties that tell you about a man’s 51  pictures of tennis rackets, motorcycles, airplanes, fishing rods, or musical instruments, to name a few. There are even ties  for different occupations such as accountants, firefighter/s, and police officers. And 52 ties are becoming ever more popular. You can get ties covered with colorful frogs and bottles of beer.  53 you enjoy rock music, you can even find a tie in the shape of a guitar!
Funny or formal, wide or narrow, it’s  54 that ties are going to be around for a long time.
小题1:
A.feat B.mindC.forget D.stop
小题2:
A.help B.trustC.follow D.admire
小题3:
A.OtherwiseB.ThereforeC.InsteadD.However
小题4:
A.addB.changeC.expose D.deliver
小题5:
A.valuableB.available C.alternativeD.collective
小题6:
A.placesB.ceremonies C.occasionsD.people
小题7:
A.holidaysB.imagesC.possessionsD.hobbies
小题8:
A.formal B.funny C.plain D.traditional
小题9:
A.IfB.Because C.UnlessD.Though
小题10:
单项选择题