现金、银行存款日记账，可定期(三天或五天)登记。( )
参考答案：错
解析： 现金、银行存款日记账必须每日结清余额。
Everyone _______ very happy at the fashion show last Sunday. [ ]
A. is
B. are
C. was
D. were
在螺杆上安装两个螺母，先装的叫（），后装的叫副螺母.
