增加心衰患者死亡率的药物（）
A.洋地黄
B.β受体阻滞剂
C.ACEI
D.多巴胺
E.硝酸酯类
参考答案：D
助行架的种类有哪些？
Come here, boys and girls! I have _______ to tell you.[ ]
A. something important
B. important something
C. anything important
D. important anything
