通过电话或信函调查，易发生（）
A.无应答偏倚
B.失访偏倚
C.选择偏倚
D.混杂偏倚
E.领先时间偏倚
参考答案：A
— Any suggestion since I will begin my job tomorrow?
— Well, in my view, you'd better _____ as much experience as possible at first. [ ]
A. accumulate
B. signify
C. analyze
D. accompany
基于清收、保全资产等目的实施的借新还旧贷款，原则上至少归为（）类。
A、正常
B、关注
C、次级
D、可疑
