关于慢性肾衰竭并发心脏扩大的原因，下列哪项是错误的（）
A.尿毒症性心肌病变
B.高血压
C.心包积液
D.严重贫血
E.水钠潴留
参考答案：C
George couldn't remember when he first met Mr. Anderson, but he was sure it was ________ Sunday because everybody was at ________ church.
A．/；the
B．the；/
C．a；/
D．/；a
紫河车能治虚喘之证，其作用在于（）
A.宣肺平喘
B.清肺平喘
C.泻肺平喘
D.纳气平喘
E.降气平喘
