问题
单项选择题
在轧制过程中，轧件的（）内摩擦力的方向与轧件运动方向相同。
A．前滑区
B．后滑区
C．变形区
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
在轧制过程中，轧件的（）内摩擦力的方向与轧件运动方向相同。
A．前滑区
B．后滑区
C．变形区
参考答案：B
One Friday, a businessman decided to ask his boss for a salary raise. Before going to , he told his wife about it. All day long he felt and uneasy. Finally, in the late afternoon, he gathered the courage to approach his employer. To his , the boss agreed to give him a raise. That evening, the husband arrived home and was surprised to see a beautiful table set with their best china and candles. Smelling the aroma (香味) of the wonderful meal, he that someone from the office had called his wife and tipped her off (透露消息). Finding her in the kitchen, he eagerly the details of his good news. When they sat down to the meal, next to his plate he found a note that read: ''Congratulations, darling. I knew you'd get the . This dinner is to show you how much I love you. '' After dinner, on his way to the to help his wife serve dessert, he noticed a second card had slipped out of his wife's pocket. Picking it up, he read: ''Don't worry about not getting the raise. You it anyway. This dinner is to show how much I love you."
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