问题 单项选择题

女性,78岁,因剧烈心前区疼痛6小时不缓解,急诊心电图提示广泛前壁心肌梗死。查体发现:BP100/60mmHg,呼吸急促,30次/分,口唇发绀,双肺底闻及细小水泡音,心率120次/分,心尖部可闻第4心音,最可能的诊断是()

A.急性广泛前壁心肌梗死合并肺部感染

B.急性广泛前壁心肌梗死合并心律失常

C.急性广泛前壁心肌梗死合并心力衰竭

D.急性广泛前壁心肌梗死合并心源性休克

E.急性广泛前壁心肌梗死合并肺栓塞

答案

参考答案:C

单项选择题

As Philadelphia grew from a small town into a city in the first half of the eighteenth century, it became an increasingly important marketing center for a vast agricultural hinterland. Market days (1) the crowded city even more crowded, as farmers from within a (2) of 24 or more kilometers brought their sheep, vegetables, cider and other products for direct sale to the (3) . The High Street Market was continuously (4) throughout the period until 1736, (5) it (6) from Front Street to Third. By 1745 New Market was opened on Second Street. The next year the Callow Hill Market began (7) .

Along with market days, the (8) of twice-yearly fairs persisted in Philadelphia (9) after similar trading days had been discontinued in other colonial cities. The (10) provided a means of bringing handmade goods from (11) places to would-be buyers in the city. Linens and stockings from Germantown, (12) , were popular items.

Auctions were another popular (13) of trade. Because of the competition, retail (14) opposed these as well as the fairs. (15) governmental attempts to eradicate fairs and auctions were less than successful, the ordinary (16) of economic development was on the merchants’side, as increasing business specialization became the (17) of the day. Export merchants became differentiated from their importing counterparts, and specialty shops began to appear (18) general stores selling a variety of goods.

One of the reasons Philadelphia’s merchants prospered was because the surrounding area was undergoing tremendous economic and demographic growth. They did their business, (19) , in the capital city of the province, (20) to not only the governor and his circle, but citizens from all over the colony.

17()

A.command

B.order

C.recommendation

D.sequence

单项选择题