计量人员上罐作业时，不准穿带铁钉子的鞋和化纤织物。
参考答案：对
Scarcely ________ ourselves in the theatre when the curtain ______ up.
A．had we seated; went
B．we had seated; went
C．seated; had gone
D．did we seated; had gone
计算机中对数据进行加工与处理的部件，通常称为
A．运算器
B．控制器
C．显示器
D．存储器
