球磨机每小时每立方米的处理量叫()。
A、作业率
B、台时能力
C、利用系数
参考答案:C
My brother likes eating very much but he isn't very _____ about the food he eats.
A.curious
B.content
C.harmful
D.ordinary
--- Why are you so happy?
---That’s because an old friend of is coming.
A.I
B.me
C.my
D.mine