The dichotomy postulated by many between morality and interests, between idealism and realism, is one of the standard clichés of the ongoing debate over international affairs.

A．division into two parts

B．combination of two parts

C．disparity

D．contradiction

女性，30岁，乏力、食欲减退、咳嗽1个月，低热、盗汗1周，胸片示右肺上叶尖段片状模糊阴影伴空洞形成。体检未发现阳性体征。

诊断可能性最大的是

A．肺炎链球菌肺炎

B．慢性纤维空洞型肺结核

C．支气管肺癌

D．肺脓肿

E．浸润型肺结核