男性，67岁。诊断肺心病3年，咳、痰、喘伴双下肢水肿加重1周，查体：双肺可闻及大量湿性啰音，心率107次／分，肝于肋缘下2横指，有触痛。白细胞及分类均高，血气分析：pH7．33PaO245mmHg，PCO275mmHg，HCO3-35mmol／L
该患者不存在哪些并发症（）
A.肺部感染
B.心力衰竭
C.呼吸衰竭
D.呼吸性酸中毒
E.呼酸合并代酸
参考答案：E
Kids like to play games(游戏). Do you often play hide-and-seek(捉迷藏) your friends? A lot of kids often play this game and love to play . Hide-and-seek is a very game. Maybe(可能) your father and mother the game. Maybe your grandparents play it, do we know this? Old stories(故事) tell us hide-and-seek. In old photos, we can he game, too. Boys and girls play old games. Big kids tell small kids about . And so (因此) the games live on(继续存在).
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