货币产生之后，商品内部使用价值和价值的矛盾得以解决。
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How to keep healthy physically?
A. Do not smoke and drink alcohol.
B. Do regular exercise and have a balanced diet.
C. Do more walking, running and swimming.
D. Eat less fat, oil, sweets and more nutritious food.
货币流通规律也就是商品流通中货币需要量的规律
A. 对
B. 错
How to keep healthy mentally?
A. Listen to the music and go to the pub regularly.
B. Play with friends happily and go outing reluctantly.
C. Listen to the music and play with friends happily.
D. Go to the pub regularly and go outing reluctantly.
在1只绵羊=2把斧子这一价值形式中，绵羊处于等价物形式，而斧子处于相对价值形式位置。
A. 对
B. 错
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