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What did you type in? The computer screen showed（）message.
- A、error
- B、an error
- C、wrong
- D、mistaken
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单选题What did you type in? The computer screen showed（）message.A
errorB
an errorC
wrongD
mistaken
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单选题Your portable computer is in sleep mode. When you resume work on the portable computer， you are not prompted for a password. You need to ensure that you are prompted for a password each time the portable computer recovers from sleep mode. What should you do？（）A
Configure the computer to hibernate when not in use.B
In the current power plan settings， configure the computer to require a password when recovering from sleep mode.C
Configure the computer to use the High Performance power plan.D
Configure the screen saver settings to require a password on resumption of work.
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单选题A frustrated customer has called about their computer that is not functioning correctly. Which of the following is the BEST question to ask the user?（）A
“Can you avoid using the PC that crashed?”B
“What was the last thing that occurred before the PC had problems?”C
“What were you doing before the PC went down?”D
“What was the last thing you did before the PC crashed?”
考题
单选题下列是全局变量的是（）。A
@errorB
@@errorC
!errorD
error（）
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