金黄色葡萄球菌肺炎患儿在治疗过程中突然出现呼吸困难加重，经吸痰和给予氧气吸入后无明显缓解，应考虑可能是（）
A.肺部炎症加重
B.并发脓气胸
C.高热所致
D.并发心力衰竭
E.呼吸性酸中毒
参考答案：B
解析：金黄色葡萄球菌感染肺部后，使肺组织受累，可产生多发性坏死，坏死中心可形成小脓肿，若邻近胸膜的脓肿破裂则可形成脓胸或脓气胸，出现脓气胸的表现即为突然出现呼吸困难加重，经吸痰和给予氧气吸入后并不能缓解。
| 完形填空。 | ||||
| "Where is the university? " This is a question that many visitors to Cambridge (剑桥) ask. But no one can give them a 1 answer, for there is no wall to be found 2 the university. The university is the city. You can find classroom buildings, 3 , museums and offices of the university all over the city. And most of its members are the students and 4 of the thirty-one colleges (学院). Cambridge was already a 5 town long before the first students and teachers arrived 800 years ago. It grew up by the river Granta, and the river was once 6 the Cam. A 7 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 8 in the nineteenth century after the opening of the railway in 1845. Cambridge became a 9 in 1951 and now it has a population of over 100,000. Many young students in other countries 10 study at Cambridge. | ||||
|