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【单选题】
如果企业一定期间内的固定性经营成本和固定性资本成本均不零,则由上述因素共同作用而导致的杠杆效应属于 ( ) 。A.
经营杠杆效应
B.
财务杠杆效应
C.
总杠杆效应
D.
风险杠杆效应
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举一反三
【简答题】一类在水溶液中不电离出比任何形式的离子，亲水基主要由具有一定数量的含氧基团构成亲水性，靠与形成氢键实现溶解的表面活性剂叫做A. 非离子表面活性剂
【单选题】Tom was the only one of the students who ________ named Outstanding Student. A. is B. are C. was D. were
A.
is
B.
are
C.
was
D.
were
【单选题】Tom was the only one of the students who__________named Outstanding Student.
A.
is
B.
are
C.
was
D.
were
【简答题】Linda British was an outstanding teacher who felt that if she had the time, she would like to create great art and poetry. When she was 28, however, she began to get severe 36 . Her doctors discovered...
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