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搜题
【多选题】
产品按贡献率法定价的结果是( )。A.
产量愈大,单位利润愈高
B.
产量愈大,单位利润愈低
C.
产量愈小,单位利润愈低
D.
产量愈小,单位利润愈高
E.
产品售价不受产量变动的影响
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Why does the professor say thisΩ?
A.
To warn the student of the danger of failing.
B.
To encourage the student to borrow books.
C.
To tell the student she started too late.
D.
To indicate he is not concerned about the student's problem.
【单选题】Sometimes a few words of _____ from his teacher to the one who has just failed in the exam may encourage him to stand up. [ ]
A.
compromise
B.
confidence
C.
comfort
D.
consultant