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【单选题】
某公司生产某产品的固定成本为30万元，单位可变成本8元，产品单价14元，则盈亏平衡点产量为（ ）件。A.
30000
B.
40000
C.
50000
D.
50000
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举一反三
【简答题】Suce tension means the tendency of atoms or molecules to____________．
【简答题】Narrow categorizing is the tendency to limit a rule to a specific context.
【单选题】The sentence 'The tendency to criticize and be disgusted is perhaps taken up originally by imitation' in paragraph 2 means ______.
A.
criticizing has become a habit and no one wants to imitate them
B.
criticizing and being disgusted has become a tendency and it is caused initially by imitation
C.
this tendency should not be imitated
D.
imitation is one of the reasons why they always criticize others