某一标的本身所具有的足以引起风险事故发生或增加损失机会或加重损失程度的因素是指()。
A.无形风险因素
B.心理风险因素
C.道德风险因素
D.实质风险因素
参考答案:D
Assuming that markets are efficient, which of the following statements is FALSE()
A. Markets will not be volatile.
B. Investors should not trade often.
C. Investors should buy and hold passively managed index funds.
单打接发球站位应站在离前发球线的合理距离为()
A.0.5米
B.1米
C.1.5米
D.2米