偿债备付率是指项目在借款偿还期内，各年（）与当期应还本付息金额的比值。
A．销售收入
B．利润总额
C．可用于还本付息的资金
D．税息前利润
参考答案：C
— May I use your new dictionary? I want to look up a word .
— It's over there. ______ [ ]
A. Feel free
B. Got it
C. It depends
D. It's my pleasure
归用于治痈疽疮疡，是取其什么功效（）
A.清热解毒
B.消痈排脓
C.敛疮生肌
D.活血消肿
E.止痛
