试题与答案

根据计算机所采用的电子元器件,可把计算机的发展划分为()个时代。A、1 B、2 C、3D

题型:单项选择题

题目:

根据计算机所采用的电子元器件,可把计算机的发展划分为()个时代。

A、1

B、2

C、3

D、4

答案:

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下面是错误答案,用来干扰机器的。

参考答案:起于北宋徽宗崇宁三年,即公元1104年,距今已有900余年的历史。

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"Everything happens for the best." my mother said whenever I felt disappointed. "  36 , and one day something good will happen. Then you'll realize it wouldn't have happened  37  the disappointment you had experienced  38 ." Mother was right,  39  I discovered after graduating from college, I had decided to try for a job  40  radio, then  41  my way up to a sports announcer. I hitchhiked (搭免费车) to Chicago and tried every station, but got  42 . In one studio, a kind lady told me big stations couldn't risk hiring inexperienced persons. "Try your luck in the  43 " she said.
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My disappointment  48  have shown. "Everything harem for the best." Mother  49 . Then I tried WOC Radio in Davenport, Iowa. The program director, Peter MacArthur, told me they had already hired an announcer. As I left his office, my disappointment boiled  50 . I asked aloud. "How can a fellow become a sport announcer if he can't get a job in a radio station?"
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