与左室收缩功能关系最小的是()
A.体循环阻力
B.前负荷
C.心肌收缩力
D.左室舒张末压
E.舒张压
参考答案:E
--- The floor is dirty. Can anyone clean it?
--- . I do it all the time.
A.Don’t mention it.
B.Why you?
C.Not sure.
D.Not me again.
简析《烛之武退秦师》中烛之武是怎么说退秦师的。