X线表现为粗大树枝样阴影,尖端指向肺门,应考虑()
A.肺气肿
B.肺不张
C.黏液嵌塞征
D.阻塞性肺炎
E.肺门区及纵隔肿块
参考答案:C
—Thank you. — [ ]
A. Yes, please.
B. You're welcome.
C. All right.
《小石潭记》中与“庭下如积水空明,水中藻、荇交横,盖竹柏影也”有异曲同工之妙的句子是?