进展期中央型肺癌的CT征象可以有()
A.支气管狭窄
B.支气管梗阻
C.支气管壁增厚
D.支气管管腔内结节
E.肺门肿块
参考答案:A, B, C, D, E
纬线的形状是半圆[ ]
The reporter asked the man _____ questions, but he said _____ words.[ ]
A. many; few
B. much; a little
C. a lot of; a few
D. some; little