题目内容

From the text, we learn that in 1985 ______.

A. Microsoft released their first version of Windows at $100
B. Microsoft gave another version of MS-DOS 3.2
C. Microsoft sold its shares to the public first
D. All of the above

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What was not true of the first electronic computers？

A. Harvard MK I was general-purpose electromechanical programmable computer.
B. Colossus used electronic valves.
C. They used punched cards for their main, non-volatile storage.
D. Scientists in the U. K. and the U. S. A worked together in 1943 to develop the first electronic computers.

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增值税专用发票由（）印制。

A. 国务院税务主管部门指定的企业
B. 地方人民政府主管部门指定的企业
C. 省、区、直辖市地方税务局指定企业
D. 省、区、直辖市国家税务局指定企业

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5．We can infer that ______.

A. there will be no distinction between micros and mainframes in the future
B. a future computer can use several CPUs to work for it at the same time
C. the fifth generation computer will be produced within 2 years
D. electronic computers will soon be out of date

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6．We can draw a conclusion that ______.

A. to continue to develop and improve computer networks is one of our aims in the near future
B. the development of computers has already reached its peak
C. electronic computers have hindered the development of molecular computers
D. our society would have developed faster without computers

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From the text, we learn that in 1985 ______.

A. Microsoft released their first version of Windows at $100 B. Microsoft gave another version of MS-DOS 3.2 C. Microsoft sold its shares to the public first D. All of the above

What was not true of the first electronic computers？

增值税专用发票由（）印制。

5．We can infer that ______.

6．We can draw a conclusion that ______.

A. Microsoft released their first version of Windows at $100
B. Microsoft gave another version of MS-DOS 3.2
C. Microsoft sold its shares to the public first
D. All of the above