2()
A. Because he’ll write a report.
Because he’ll be with his friends.
C. Because he doesn’t like the game.
D. Because he doesn’t know the players.
下列哪项提示左心功能不全
A. 心尖区舒张早期奔马律
B. 心尖区舒张晚期奔马律
C. 心音分裂
D. 震颤
E. 收缩早期喷射音
从数据处理的全过程来看,其出现的差错主要来自数据录入阶段的误操作。()
A. 对
B. 错