问题
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Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to _____.
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Operating systems provide () between users and the computer.A.a linkB.an interfaceC.devic
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A.Fifty underground stations were made waterproof.B.A flood wall was built.C.An alarm
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A.50 underground stations were made waterproof.B.A flood wall was built.C.An alarm sys
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● (73) provides a data path between the CPU and external devices.(73)A. Keyboard B. I/O po
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He changed a clock so that he could ____music instead of an alarm.