胆囊形态失常,囊内无回声区消失,充满不均质或低回声实质肿块()。
A.隆起型胆囊癌
B.厚壁型胆囊癌
C.混合型胆囊癌
D.实块型胆囊癌
E.少见型胆囊癌
参考答案:D
— How much vinegar did you put in the soup?
— I'm sorry to say, ____. I forget. [ ]
A. no
B. no one
C. nothing
D. none
简述保温层的结构施工工艺的类型