企业制定的产品标准的技术要求应与国家标准、行业标准的产品的技术要求保持高度一致。
参考答案：错
总账与明细账的平行登记中，“期间相同”是指对发生的经济业务在同一天登记总账与明细账。( )
"Where's Uncle Wang?"
"Look! He is over there. He and Tom _______ at a machine now." [ ]
A. is working
B. work
C. worked
D. are working
