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【单选题】
下列程序运行结果正确的是: a=7; b=a- -;A.
b=6,a=5
B.
b=7,a=5
C.
b=6,a=6
D.
b=5,a=5
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【单选题】In the simplest terms, a market is the place where seller meets buyer to exchange products for money. Traditional markets still function in ninny parts of the world. Even in the United Sates, during s...
A.
most of the products exchanged at traditional markets are consumer goods
B.
most of the products bought and sold at traditional markets are industrial goods
C.
most farmers lived far away form. marketplaces and never sold their products directly
D.
most service industries have not yet developed mature markets for their products