如图所示正常胸部X线影像图像上，该英文字母所代表的肺段为()
A．内基底段
B．前基底段
C．外基底段
D．后基底段
E．背段
参考答案：E
支气管扩张的好发部位为（）
A.左下叶
B.右下叶
C.右中叶
D.左上叶
E.右上叶
— I hate talking with that guy. Look, he is coming. What should I do?
— Don’t speak until ____.
A．speaking
B．spoken to
C．spoken
D．speaking to
