The author uses the example of middleman to Show_________

单选题The author uses the example of middleman to Show__________．

A．market transactions are important in different countries
B．dealers are needed in doing business
C．middlemen Call play great role in different transactions and different countries
D．middlemen in different countries have different actions in business

参考答案C

解析:第三段中，对这些middleman的作用进行了阐述，从中我们可以看到他们在不同的国家都起到了重要的作用。

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单选题According to this passage，__________．

A．brokers usually perform the same kinds of services to their customers
B．brokers．have little contact with each other
C．open competition tends to result in a common price for similar transactions at any given moment
D．changes in the pressure of available supplies of funds upon market tends to maintain a common price for similar transactions

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单选题根据下面资料，回答题
About 50 years ago the idea of disabled people doing sports was never heard of. But when the annual games for the disabled were started at Stroke Mandeville, England in 1948 by Sir Ludwig Guttmann, the situation began to change. Sir Ludwig Guttmann, who had been driven to England in 1939 from Nazi Germany, had been asked by the British government to set up an injuries centre at Stroke Mandeville Hospital near London. His ideas about treating injuries included sports for the disabled.
In the first games just two teams of injured soldiers took part. The next year,1949, five teams took part. From those beginnings things developed fast. Teams now come from abroad to Stroke Mandeville every year. In 1960 the first Olympics for the Disabled were held in Rome.
Now, every four years the Olympic Games for the Disabled are held, if possible, in the same place as the normal Olympic Games, although they are organized separately. In other years Games for the Disabled are still held at Stroke Mandeville. In the 1984 wheelchair Olympic Games,1,604 wheelchair athletes from about 40 countries took part. Unfortunately, they were held at Stroke Mandeville and not in Los Angeles, along with the other Olympics.
The Games have been a great success in promoting international friendship and understanding,and in proving that being disabled does not mean you can´ t enjoy sports. One small source of dis-appointment for those who organize and take part in the games, however, has been theunwilling-ness of the International Olympic Committee to include the disabled events at the Olympic Games for the able bodies. Perhaps a few more years are still needed to convince those fortunate enough
not to be disabled that their disabled fellow athletes should not be excluded.
The first games for the disabled were held__________after Sir Ludwig Guttmann arrived in England．

A．50 years
B．21 years
C．9 years
D．4 years

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单选题Besides Stroke Mandeville，surely the games for the disabled were once held in__________.

A．New York
B．London
C．Rome
D．Los Angeles

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