在以上配置命令列表中，命令copy run start的作用是 。
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The last paragraph suggests that（）
A. a modern computer won’t be down
B. computers can take the place of humans
C. there will be great changes in computers
D. sometimes a computer may bring suffering to people
The word "scan" in the second paragraph probably means（）
A. reading carefully
B. reading quickly and not word by word
C. reading by repeating some important words
D. reading more than one article at the same time
Yao Ming got 13 points on October（）2002.
A. 22
B. 23
C. 24
D. 26
28（）
A. waste
B. save
C. rely
D. base
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