In a series of races, 10 toy cars are raced, 2 cars at a time. If each car must race each
A. 40
B. 90
C. 100
D. 180
E. 200
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普通发票的基本联次为三联,第一联为存根联,第二联为抵扣联,第三联为发票联。()
A. 正确
B. 错误
A.technicalB.richC.thoseD.professional
A. technical
B. rich
C. those
D. professional
A.probableB.possibleC.improbableD.impossible
A. probable
B. possible
C. improbable
D. impossible
证券公司、上市公司和上市商业银行都可作为发行可转债的担保人。 ()
A. 正确
B. 错误