以下哪个是TVM的水单打印记录路径（）

B．吹尘时要带上防尘口罩

C．维护时要带上手套，以免拆装时刮伤手

D．安装HOPPER时要记得插回电源线

A．

B．

C．

D．

A、佳能6D

B、索尼a7

C、尼康D7500

A、I’m writing to remind you that tomorrow will be the deadline for submitting your annual report.

B、I’m writing to inform you that the meeting which is to be held at two o’clock this afternoon has been cancelled. The HR Department will find some time next week for the meeting.

C、“May I use your phone for a long-distance call?”. “No. I am afraid not.”

D、“ May I use your phone for a long-distance call?”. “ I think there is a public phone stand not far away.”

以下哪个不是单例模式的应用案例

A NSFileManager

B NSNotificationCenter

C UIAccelerometer

D UITextFieldDelegate

B．0.005

C．0.1

D．1.2

A、A效果难以证明

B、B不能重复验证

C、C操作复杂

D、D很好控制无关变量

A. 未审核

B. 关闭

C. 作废

D. 反关闭

A. 转移单

B. B.委外核价单

C. C.生产入库单

D. D.挪料单

A.配货单

B.快递单

C.装箱单