根据有关规定，基金销售机构在实施基金销售适用性的过程中应当遵循（）原则。
A.投资人利益优先
B.客观性
C.独立性
D.全面性
参考答案：A, B, D
His efforts _______when he was admitted to Tsinghua University. [ ]
A. paid off
B. paid back
C. paid for
D. paid up
此心电图诊断结果为（）
A.窦性心律
B.室性期前收缩
C.房性期前收缩
D.心室肥厚
E.Ⅱ度房室传导阻滞
