问题 单项选择题

患者,男,49岁,发热、乏力5年,心尖区听诊可闻及舒张期杂音,有姿势效果,X线片示:肺纹理多,透光可,左心房增大明显,右室稍增大,左室小,右下肺动脉宽1.5cm。

最可能的诊断是

A.风湿性心脏病二尖瓣狭窄

B.风湿性心脏病三尖瓣狭窄

C.左房黏液瘤

D.心包积液

E.缩窄性心包炎

答案

参考答案:A

解析:风湿性心脏病二尖瓣狭窄患者心室舒张期左心房的血液不能顺利进入左心室,使血液在左心房和肺内淤滞,导致肺淤血,肺动脉高压,由于左心房压力增高,左心房逐渐扩大并伴有心肌肥厚。

填空题

在短文的空格内填入适当的词,使其内容通顺,每空格限填一词,首字母已给。

 

     As we know, museums are buildings where many valuable and important objects are kept so many 

 people can go and see them. For example, art museums are places where people can learn about

  d __1__ kinds of cultures. More and more popular "design museums" that are opening today, however,

 perform quite a different role. Unlike most museums, the design museum shows objects that are e __2__ 

 found in our daily life, such as fridges and washing machines.

     The advantage of design museums is that they are places where people feel f __3__ with the exhibits.

 Being different from the art museum visitors, design museum visitors s __4__ feel frightened or puzzled.

 This is partly because design museums clearly show how and why mass-products (批量产品) work and

  look as they do, and how design has i __5__ the quality of our lives. Art museum exhibits, on the other

 hand, would most probably fill visitors with a feeling that there is something beyond their understanding    

     Several new design museums have opened their doors in recent years. Each of these museums has tried

  to satisfy the public's growing i __6__ in the field with new ideas. London's Design Museum, for example,

  shows a collection of mass-produced objects from electric typewriters to a group of Italian fish-tins. The

  choices open to design museum seem m __7__ less strict than those to art museum, and visitors may also

  sense (感觉到) the humorous part of our society while walking around such exhibits as interesting and

 unusually attractive joys collected from our everyday life.

不定项选择题