在下列投资方案评价指标中,反映借款偿债能力的指标是( )。
A.偿债备付率和投资收益率B.利息备付率和偿债备付率C.利息备付率和投资收益率D.内部收益率和借款偿还期
参考答案:B
It’s quite normal to ten percent of the cost of a building for a period of six months or so, in case faults are found in it.
A.keep up
B. keep away
C.keep off
D.keep back
钻井液的酸碱度代表钻井液中含酸或碱的程度