云开题库
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One use of laser is to make extremely precise measurements of distance even like the distance to the moon.
#A.对#B.错
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One thousand people are employed in two different plants of the company.
#A.对#B.错
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One pixel forms one character.
#A.对#B.错
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One or two of the jewels would never be missed.一两粒珠宝是决不会不见了的。
#A.对#B.错
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One major advantage of relation model is that it allows duplication of data.
#A.对#B.错
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One field may contai n several pieces of information.
#A.对#B.错
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Once, they stole a bottle of whiskey and got drunk.
#A.对#B.错
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On any Saturday night every bar is full of people.
#A.对#B.错
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OLD指令用于串联电路快的并联连接。
#A.正确#B.错误
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Older microcomputers’ speeds are usually measured in nanoseconds.
#A.对#B.错
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