货币的产生,是商品内在矛盾运动的必然结果,这一矛盾是
A.货币与资本的矛盾 B.商品与资本的矛盾C.商品与货币的矛盾 D.使用价值和价值的矛盾
参考答案:D
-What's this?
-____________. [ ]
A. No, it's not a ruler
B. It is a pencil sharpener
C. No, it isn't
D. Yes, it is
连杆的作用有哪些?