第16题: [单项选择]诊断缩窄性心包炎最可靠的X线征象为() A. 心脏搏动减弱 B. 心缘正常弧度消失 C. 心脏缩小 D. 透视下心脏搏动减弱 E. 心包钙化 参考答案:E 答案解析:心包钙化是缩窄性心包炎的重要征象之一。钙化主要累及右心室前左缘和膈面,呈不规则的蛋壳样、片状或弧线形,有时大部分心包钙化而成"盔甲心"。
第17题: [单项选择]He knew himself to be raw, quite______ of making mistakes through his inexperience. A. able B. possible C. capable D. likely 参考答案:C 答案解析:[考点] 形容词辨析 be capable of 有两种意思。第一种是“有…能力的”:The company was not capable of handling such a large ord