“Where is the university（大学）?”This is a question that many visitors to Cambridge(剑桥大学) ask. But no one can give them a         answer, for no one can find any walls        the university. The university is the city. You can find classroom buildings,         , museums and offices of the university all over the city. And most of its members are the students and          of the thirty-one colleges.    

Cambridge was         a common town before the first students and teachers         800 years ago. It grew up by the river Cranta, and the river was once         the Cam. A          was built over the river as early as 875. So the town got its name “Cambridge”.    

In the fourteenth and fifteenth centuries more and more land was used for college buildings. The town grew much         in the nineteenth century after the opening of the railway in 1845. Cambridge became a city in 1951 and now there are over 100,000 people in it. Many young students in

other countries         to study at Cambridge. It has become a well-known place all around the world.   

患者，65岁。查体：心尖搏动出现在剑突下，且深吸气时增强，肺动脉瓣第二心音增强。应首先考虑的是（）

A.冠心病

B.高血压性心脏病

C.风心病

D.肺心病

E.心肌炎