【单选题】You ______ me because I didn't say anything like that.
C.
must have misunderstood
D.
could have misunderstood
【单选题】From the last paragraph, we learn that envy sometimes stems from_____.
【单选题】One of my close friends had a(n)________of this matter,so I had to explain it to him. [ ]
【单选题】下列哪一种药可用于房颤电复律前准备和复律后维持窦性节律
【简答题】当事人订立合同,经历( )阶段。(5.0分)A. 要约 B、要约邀请 C、承诺 D、成立 E、生效
【单选题】下列哪一种药可用于房颤电复律前准备和复律后维持窦性节律