一般来说,夏普比率受非系统风险()的影响。
A.反方向
B.同方向
C.方向不定
D.以上皆不确定
参考答案:C
—Have you found your watch ______?
—Yes, I have. I found it in my school bag ______.[ ]
A. already, five minutes ago
B. yet, five minutes ago
C. already, five minutes before
D. yet, five minutes before
“没有问题的课”是真正()的课。