初步诊断为
A．慢性白血病
B．贫血性心脏病
C．系统性红斑狼疮
D．室间隔缺损，心力衰竭
E．亚急性感染性心内膜炎
参考答案：E
----We’re free today. How about going out for a picnic this afternoon?
----_______.
A．Good idea
B．Never mind
C．Good luck to you
D．You’re welcome
