所有设计变更资料，包括设计变更通知、修改图纸等，均需有文字记录，纳入工程档案，作为施工和竣工验收的依据。( )
参考答案：错
They have produced they did last year.
A．twice more grain as
B．twice as much grain as
C．twice as many grain as
D．as twice many grain as
量具测力和本身重量越大，磨损越（）
A、严重
B、轻
C、小
D、慢
