选词填空

1.I'm so hungry. Would you mind         me a hamburger?

2.It doesn't work.Would you mind giving me a         one?

3. You gave me a         size. Could you please give me a smaller one?

4.I         this shirt in the mall yesterday.

5.Don't         your neighbors by singing loudly at night.

6.It is         to say "please" when you ask for something.

车削细长轴时，为了减少径向切削力，避免工件产生弯曲，应( )车刀主偏角。

A．减小

B．不变

C．增大

D．以上都不对