左心衰发展至全心衰，下列哪项可减轻（）.
A.肝肿大压痛
B.心率增快
C.胃肠道淤血
D.肺淤血症状
E.三尖瓣区收缩期杂音
参考答案：D
Only two of the students worked the maths problem out correctly. _____ all did it wrong. [ ]
A. Other
B. Others
C. The other
D. The others
请简要说明OHSMS第一阶段现场审核的重点？
