判断题
只有指定会计科目后，出纳才能在凭证上签字，否则出纳签字时找不到凭证。
错误(↓↓↓ 点击‘点击查看答案’看答案解析 ↓↓↓)
单项选择题 【单选题】Thomas said that he was late because he was caught in a traffic jam. That was a_______story.
单项选择题 IA32指令系统、二地址指令中，操作数的物理位置可安排在（ ）。
名词解释 请对“自变量”作名词解释
