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【多选题】
有关产权比率的表述，不正确的有（ ）。A.
产权比率反映所有者对债权人权益的保障程度
B.
产权比率越高，表明企业的长期偿债能力越强
C.
产权比率侧重于揭示自有资金对偿债风险的承受能力
D.
产权比率=（所有者权益总额÷负债总额）×100%
E.
产权比率反映企业基本财务结构是否稳定
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皮皮学刷刷变学霸
举一反三
【单选题】Why do some publishers no longer promote their books?
A.
Because the paper books are not profitable enough to sustain promotion.
B.
Because Amazon's near monopoly over the industry makes promotion unnecessary.
C.
Because the public have easy access to the books' sales and reviews.
D.
Because all the writers are promoting the books on their own.
【简答题】按传播声道分：超声波流量计可分为（）和多声道，其中多声道又可分为双声道、四声道、八声道。
【简答题】声道分为:
【单选题】Why are publishers their books freely available?
A.
They want to make money.
B.
They do not like to lose their audience.
C.
They are competing for fun.
D.
They try to win more .
【单选题】配制浓度为0.2mol/L盐酸溶液500ml应取浓度 为12mol/L的浓盐酸的体积为多少毫升？
A.
8.3 mL
B.
16.7 mL
C.
4.2 mL
D.
1 mL
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