什么叫机械?
参考答案:
各种零件和机构的组合体称机械。
191. Things went well for him during his early life but in middle age his__________seemed to change.
A.chance
B.success
C.way
D.Luck
以下,()是法式宴会的上菜方式。
A、家庭式
B、台前托让式
C、餐台自取式
D、客人传递式