当前表中有3个备注型字段和1个通用型字段，它的备注文件有______。
A．3个
B．2个
C．1个
D．10个
参考答案：C
根据下表判断句子正误，正确的在括号里打“√”，错误的打“×”。
( ) 1. — What's Zhou Jielun's hobby? — He likes swimming.
( ) 2. — What's Yang Liping's hobby? — She likes dancing.
( ) 3. — What's Lang Lang's hobby? — He likes playing the piano.
( ) 4. — What's Guo Jingjing's hobby? — She likes playing chess.
下列各项中，属于保管3年的会计档案有（）。
A．交易流水和分录流水
B．会计监督检查资料
C．不定期报表资料
D．开销户登记簿
