下列不是进展期食管癌的肉眼类型的是（）
A.糜烂型
B.溃疡型
C.缩窄型
D.髓质型
E.蕈伞型
参考答案：A
解析：糜烂型是早期食管癌的肉眼类型。
Had your father seen the doctor earlier, he ___.
A．would have died
B．would not have died
C．would not die
D．has not died
给水管网系统是由哪些设施构成的？
