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符合IEEE754标准的单精度浮点数0 10000101 1000100 10000000 00000000所表示的十进制数为 【2】 。
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数码录音笔可以把语音记录下来。假设录音笔的存储容量是32MB，语音信号经过压缩编码后的码率为4Kbit/s，则该录音笔可连续记录大约 【17】 小时的语音(答案填整数)。
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Prices on the New York stock exchange have suffered one of their biggest falls ever. In a sudden and unexpected development, the Dow-Jones Index fell by just over 140 points, or about 7%. It was the 3rd largest fall in the history of Wall Street. Most of it came in the last hour of trading. Before then, the stock exchange had been showing only minor losses. A BBC correspondent in New York says that the strong selling of American government bonds early in the day is believed to have been one reason for the fall. But he says there were other reasons. These included a belief that next week’s American trade figures would be bad and fears that interest rates would not decreased. The market was also affected by worries that the federal budget deficit would be higher than expected. Coinciding with a fall in prices on Wall Street, a presidential commission has sent a report to the White House on the stock market’s biggest ever crash on October 19 last year when the Dow-Jones Index fell by 508 points. The commission has made numerous proposals to regulate stock exchange trading. These include limits on the dally price movements of shares. The commission also wants a new high-level body to oversee the American financial markets and close them ff necessary when trading is in danger of going out of control. In a sudden and unexpected development, the Dow-Jones Index fell by ____________________________6Among other deeper masons for the fall is a belief that next week’s American trade figures _____7On October 19th last year, prices on the New York stock exchange suffered their ________________8The commission has made numberous proposals to regulate_________________________________________9The commission also wants a new high-level body to control America______________________________10 10().
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