歌曲《当兵的人》的音乐体裁是()
A.圆舞曲
B.摇篮曲
C.进行曲
参考答案:C
— Can I look at the menu for a few more minutes before I decide?
— Of course.________, sir. [ ]
A. Make yourself at home
B. Enjoy yourself
C. It doesn't matter
D. Take your time
对旋转零件作消除不平衡量的工作称为()。
A.静平衡
B.动平衡
C.静不平衡
D.平衡