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更多“complete medium，minimal medium”相关的问题
Walking actually bums as many calories as running the same distance—if done in the correct manner and at a reasonable pace.
Start with a basic program that you can complete three or four times a week. This should include five main steps:
1) A beginning warm-up for about 5 minutes.
2) A little bit faster period of 5 minutes at medium level.
3) A 10-minute" burning" at a high level.
4) A 5-minute cool down period at a low level again.
5) A suitable walking pace of around 5 kilometers per hour will bum around 80 calories in 30 minutes.
According to the passage, walking is a simple way to ______.
A．lose weight
B．cure blood diseases
C．avoid heart attacks
D．strengthen heart functions
Specialization is encouraged, because people whose output is not a complete product but only a part of one can be paid an amount equivalent to their share of the product.
Another advantage of money is that it is a measure of value. In a barter economy it would be necessary to determine how many plates were worth one hundred weight of cotton, or how many pens should be exchanged for a ton of coal.
The process of establishing relative values would have to be undertaken for every act of exchange, according to what products were being offered against one another, and according to the two parties’ desires and preferences.
Thirdly, money acts as store of wealth. It is difficult to imagine saving under a barter system. No one engaged on only one stage in the manufacture of a product could save part of his output, since he would be producing nothing complete. Most products deteriorate fairly rapidly, either physically or in value, as a result of long storage; even if storage were possible, the practice of storing products for years on end would involve obvious disadvantages. If wealth could not be saved, or only with great difficulty, future needs could not be provided.
Using money as a medium of exchange means that_____.
A.you have to sell something in order to buy something
B.you have to buy something in order to sell something
C.you don’t have to buy something in order to sell something
D.the seller and the purchaser are the same person
Specialization is encouraged because_______.A.people can use their money to buy whatever they want
B.people get paid according to their share of the product.
C.people pay great attention to the manufacture of a product
D.people cannot use their money to buy whatever they want
A barter economy is one in which _______.A.value is decided by weight
B.value is decided by number
C.money is used and goods are not exchanged
D.goods are exchanged and money is not used
If one had to save products instead of money, __________.A.this would need years of practice
B.coal, for example, would lose its value
C.they could not be stored for years on end
D.many products would lose their value
How many advantages of money are mentioned in this passage？A.Two
B.Three
C.Four
D.Five
请帮忙给出每个问题的正确答案和分析，谢谢！
The structural linguists believed that the primary medium of language is _______.
A.visual
B. auditory
C. written
D. oral
