急性广泛心肌梗死发生急性肺水肿的发病机制是
A.左室舒张期过短B.左室排血量急剧下降C.左室舒张期负荷突然明显加重D.左室充盈障碍E.左室后负荷突然明显加重
参考答案:B
A proper approach to ________ your learning efficiency is of great significance to every student.
A.improving
B.improve
C.be improving
D.having improved
单位销户时,对存款人交回的开户登记证、印鉴卡片应作如下哪些处理()。
A、加盖“作废”戳记
B、做当日记账凭证附件
C、当场销毁
D、入库(柜)保管待集中销毁