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Which of the following is NOT the purpose of America’s central bank? [br] [orig
Which of the following is NOT the purpose of America’s central bank? [br] [orig
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2025-01-17
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问题
Which of the following is NOT the purpose of America’s central bank? [br]
America’s Central Bank is part of a larger financial system called the United States Federal Reserve System. It is not a single bank, but a banking system with operations that are both public and private. Its purpose is to control the flow of money in the economy, to supervise banking activity and to protect the financial system.
On September 13, 1956, IBM shipped the first unit of the RAMAC, in other words, Random Access Method of Accounting and Control. The RAMAC, designed in Big Blue’s San Jose, Calif. , research center would have made a lousy music player. The drive weighed a full ton, and to lease it you’d pay about $250,000 a year in today’s dollars. Since it required a separate air compressor to protect the two moving "heads" that read and wrote information, it was noisy. The total amount of information stored in its 50 spinning iron-oxide-coated disks — each of them a pizza-size 24 inches — was 5 megabytes.
选项
A、The drive weighed a full ton.
B、The IBM research center planned to make a music player.
C、Its 24 spinning disks could store only 5 megabytes of information.
D、The price for renting the RAMAC was $ 260,000 a year.
答案
A
解析
根据各选项中关键词定位到原文相关信息,将选项内容与原文比较。有时可根据选项内容的特点,先排除干扰项,最后剩下的选项即为正确答案。如本题中B、C、D三项内容均含有易识别信息,如专有名词或数字等,很容易定位其原文中相关信息以判断正误。
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