患者，男性，32岁，近1周来出现发热乏力、咳嗽咳痰、脓痰，量多，有腥臭味。胸片示：右肺下叶后基底段大片阴影，有空洞和液平。血常规WBC17×109/L，该患者最可能患病（）
A.肺脓肿
B.肺大疱
C.肺鳞癌
D.白色念珠菌肺炎
E.肺结核空洞
参考答案：A
解析：肺脓肿是由于多种病因所引起的肺组织化脓性病变。早期为化脓性炎症，继而坏死形成脓肿。临床特征为高热、咳嗽和咳大量脓臭痰。多发生于壮年，男性多于女性。
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| Today it is quite natural to find people shake hands in some situations. People all over the world shake hands for many different 1 . We shake hands when we meet new people 2 during special festivals. Players often shake hands before or after 3 . Business people shake hands when they make a deal. Why do people shake hands 4 shaking feet? This is because of the fact that a long time ago most people 5 knives or guns. If some of them decided that they did not want to 6 , they would show their empty hands. 7 people shook hands so that they could not 8 knives in their sleeves (袖子). Later on, handshaking became a symbol of 9 . Now we don't have to 10 people with guns or knives. However, we still shake hands all the time! The reason is simple — it is still a way to show friendship. | ||||
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