右心功能衰竭需与下列哪些疾病相鉴别（）
A.周围静脉疾患
B.肝硬化
C.周期性水肿
D.肾衰竭
E.慢性阻塞性肺疾病
参考答案：A, C, D, E
------You speak very good French!
--------Thanks .I _____ French in Sichuan University for four years.
A． studied
B． study
C． was studying
D．had studied
初产妇，顺产。给予母乳喂养指导，正确的是
A．婴儿吸吮时，口要含住全部 * * 及大部分乳晕B．每隔2h喂哺1次C．婴儿睡眠期间禁忌喂养D．产后哺乳期不需避孕E．早开奶指产后2h即开始哺乳
