The man suggests taking on more debt.
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The company has enough cash to pay its debt.
A. 对
B. 错
The woman says there is an error on thebalance sheet.
A. 对
B. 错
在89c51单片机中,控制中断优先级的寄存器是()
A. TCON
B. IE
C. IP
D. SCON
89C51基本型单片机具有中断源的个数是()
A. 4
B. 5
C. 6
D. 7