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  3. In ancient times wealth was measured and exchanged in things that could be touched: food, tools, and precious metals and stones.

In ancient times wealth was measured and exchanged in things that could be touched: food, tools, and precious metals and stones.

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问题     In ancient times wealth was measured and exchanged in things that could be touched: food, tools, and precious metals and stones. Then the barter system was replaced by coins, which still had real value since they were pieces of rare metal. Coins were followed by fiat money, paper notes that have value only because everyone agrees to accept them.
    Today electronic monetary systems are gradually being introduced that will transform money into even less tangible forms, reducing it to a series of "bits and bytes", or units of computerized information, going between machines at the speed of light. Already, electronic fund transfer allows money to be instantly sent and received by different banks, companies, and countries through computers and telecommunications devices.
Which of the following statements about computerized monetary systems is NOT supported by the passage?
选项 A、They promote international trade.
B、They allow very rapid money transfers.
C、They are still limited to small transactions (交易).
D、They are dependent on good telecommunications systems.
答案C
解析 由第二段可知，网上货币交易系统非常快速，允许不同银行、公司和国家之间的货币交易，因而也就提高了国际贸易；因为它通过网络操作，所以它依赖于电信系统。只有C项未提到，故选C。
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