【单选题】关于上腔静脉梗阻时腹壁浅静脉的血流分布和方向,下列哪项是正确的?
B.
脐水平以上的腹壁静脉血流向上,脐水平以下向下
C.
脐水平以下及脐水平以上的腹壁静脉血流方向均向上
D.
脐水平以上的上腹壁及胸壁浅静脉、脐水平以下的血流方向均向下
E.
脐水平以上的腹壁静脉自下向上经胸壁静脉和腋静脉而进入上腔静脉
【单选题】I am very sorry for ____ for so long.
B.
having kept you waiting
【判断题】The word “sorry” means the same in the sentence”Did you ever feel sorry for yourself?” and the sentence”I am sorry for bothering you. ”( )
【单选题】上腔静脉梗阻时,胸壁静脉曲张,其血流方向为
【单选题】关于上腔静脉梗阻时腹壁浅静脉的血流分布和方向,下列正确的是()
C.
脐水平以下及脐水平以上的腹壁静脉血流方向均向上
D.
脐水平以上的上腹壁及胸壁浅静脉、脐水平以下的血流方向均转向下方
E.
脐水平以上的腹壁静脉自下向上经胸壁静脉和腋静脉而进入上腔静脉
【单选题】We feel sorry for being unable to entertain your request for offering a free car. The underlined part means
【单选题】符合上腔静脉梗阻时腹壁浅静脉的血流分布和方向的描述是
B.
脐水平以上的腹壁静脉血流向上,脐水平以下向下
C.
脐水平以下及脐水平以上的腹壁静脉血流方向均向上
D.
脐水平以上的上腹壁及胸壁浅静脉、脐水平以下的血流方向均向下
【单选题】What does the woman mean?
A.
She is sorry because she took the money away.
B.
She is sorry for what happened.
C.
She is sorry because she doesn't understand.
【单选题】We all feel sorry for______for so long after your arrival.
B.
having kept you waiting