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问题
多项选择题
肺部放射线透明度减弱的原因有下列哪些情况()
A.肺不张
B.肺水肿、肺纤维化
C.肺淤血
D.肺炎及癌瘤
E.支气管癌
答案
参考答案:
A, B, C, D, E
选择题
— Did you watch the basketball match yesterday?
— Yes, I did. You know, my brother _____ in the match.
A. is playing
B. was playing
C. has played
D. had played
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问答题 简答题
电流互感器为什么不能开路运行?
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