流动负债是企业在生产经营过程中应付给他人的资金,是企业承担的应在一年内偿还的债务。
参考答案:错
已知集合A={x|5x-a≤0},B={x|6x-b>0},a,b∈N,且A∩B∩N={2,3,4},则整数对(a,b)的个数为( )
A.20
B.25
C.30
D.42
It was with great excitement one morning in July ____ the young man read a classified advertisement.
A.when
B.that
C.who
D.which