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【单选题】
假定某企业2012年的销售成本为50万元，销售收入为100万元，年初资产总额为170万元，年底资产总额为190万元，则其总资产周转率约为( )。A.
47％
B.
56％
C.
63％
D.
79％
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A.
Whatever
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A.
前庭大腺囊肿剥出术
B.
前庭大腺囊肿造口术
C.
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A.
activates the GTPase activity of the gene product of the Ras oncogene
B.
excises ultraviolet light-induced thymidine dimers
C.
functions as a cytoplasmic tyrosine kinase
D.
functions as a transmembrane tyrosine kinase
E.
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