财务杠杆效应
参考答案：
指自有资金收益率与全投资收益率的差别被资金构成比所放大，这种放大效应称为财务杠杆效应
He asked me for this book many times. Please tell him he _____ have it tomorrow.[ ]
A. must
B. shall
C. may
D. should
-- Could you tell me ________________?
-- Of course, last night.
A. when you reached Chengdu
B. when did you reach Chengdu
C. how you came to China
