急性肺脓肿的典型X线胸片特征为（）。 A.大片实变阴影 B.肿块

搜题请搜索小程序“爱下问搜题”

问题单项选择题 A1/A2型题

急性肺脓肿的典型X线胸片特征为（）。

A.大片实变阴影

B.肿块状阴影

C.多房性空洞

D.条索状阴影

E.厚壁空洞影

答案

参考答案：E

猜谜题，问答题

1. How did Lily go to the library yesterday? _________________________________________
2. What did you do on Friday? _________________________________________
3. What did your father do yesterday? _________________________________________
4. What's the matter with you? _________________________________________

单项选择题

目前冷轧工作辊的凸度辊型采用（）曲线。

A.正弦

B.抛物线

C.A或B