理性厂商生产决策的选择区间是( )。
A.Ⅰ阶段
B.Ⅱ阶段
C.Ⅲ阶段
D.Ⅳ阶段
参考答案:B
-Remember! Keep all the secrets_______ me.
-OK. I’ll keep them _______myself.
A.for, to
B.to, for
C.for, in
D.in, at
部门化