問題詳情

9. Blood pressure, sometimes ______ to as arterial blood pressure, is the pressureexerted by circulating blood on the walls of blood vessels.
(A) refers
(B) is referring
(C) referred
(D) is referred

參考答案

答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)