复式记账凭证是根据复式记账法的原理填制的，而单式记账凭证是根据单式记账法的原理填制的。( )
参考答案：错
固体表面粗糙度参数有哪些？
He lost all his money. The only thing he could do was to call his wife for help at this moment.
A．being called
B．to be called
C．calling
D．call
