胰腺癌CT主要的直接征象是哪项()
A.肿瘤侵犯胰周脏器
B.胰管阻塞
C.胆总管阻塞
D.胰腺局部增大、肿块形成
E.肿瘤侵犯胰周血管
参考答案:D
--- Shall I go over to have a chat with you this evening?
--- Nice of you! It is ________ great comfort to keep me ________ company, when I’m alone at home.
A.a; the
B./ ; a
C.a; /
D.the ; /
FOCKE401小盒透明纸包装机折叠成型轮折叠导轨的主要作用是完成烟包的传送。