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【多选题】
下列说法正确的有( )A.
安全边际率与保本作业率之间互为倒数
B.
贡献率与变动成本率之和大于1
C.
销售利润率等于安全边际率与贡献率之积
D.
在多品种条件下，既可以确定总的保本额也可以确定各种产品的保本量
E.
目标利润单独变动时，只会影响保本点却不会改变实现目标利润的销量
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反馈参考答案：
举一反三
【单选题】He was so angry that he couldn’t _____ his emotions.
A.
hold on
B.
hold back
C.
hold out
D.
hold up
【简答题】He was so angry that he struck the police in ____ face.
【简答题】十进制 127转换成二进制是( ) cl18
【简答题】He was so angry that he couldn’t say anything. He was too angry _______ _______ anything.
【单选题】He was so angry that he wanted to see nobody ____ his daughter.
A.
but than
B.
other than
C.
other but
【单选题】He was so angry that he just couldn't from telling them what he thought.
A.
hold off
B.
hold on
C.
hold back
D.
hold up
【简答题】He was so angry that he ________ the letter in two.
【简答题】十进制 127转换成二进制是( ) cl18
【单选题】. He was so angry that his whole body _______.
A.
trembled
B.
shivered
C.
shuddered
D.
shook
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