6岁女孩，反复发生支气管肺炎，于2岁时体检发现胸骨左缘第2肋间有Ⅰ～Ⅲ级收缩期杂音，经进一步检查诊断为先天性心脏病：房间隔缺损。
若此病例为第1孔未闭型缺损，除了下列哪项外，均为X线检查特点
A．心脏轻至中度扩大，以右心房和右心室为主
B．肺动脉段明显突出，肺门血管造影增粗，可有肺门“舞蹈”
C．肺血管纹理增粗，肺野充血
D．主动脉影正常
E．右房室瓣关闭不全，左心室增大
参考答案：D
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| Beethoven had an ugly face and a very 1 temper (脾气) but people 2 him to their homes. When he lost his temper, they forgave (原谅) him. He was often poor and ill during his life. After one illness, he suddenly 3 himself deaf. At that time he was 4 31. What a blow it was on him! 5 this didn't stop Beethoven 6 on in his life.He went on 7 much music. He wrote long pieces and short pieces, happy ones and 8 ones. During his life, he composed (作曲) about 300 pieces. 9 people's surprise, he wrote some of his best and most beautiful pieces 10 he became deaf. Many of them are known and loved all over the world. | ||||
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