12.SystemTolerancecanbesub-dividedinto（）
A. protectedandsemi-protectedsystems.
B. protectedandendangeredsystems.
C. protectedandvulnerablesystems.
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13.AflashingredwarninglightonaCRTnormallyindicates（）
A. thereisafaultinacriticalsystem.
B. emergency.
C. alert.
14.Adangerofautomationisthat（）
A. therecanbegreaterdelaysbetweentheperformanceofthecrewanditsultimateeffect.
B. delaysbetweentheperformanceofthecrewanditsultimateeffectareshortened.
C. delaysbetweentheperformanceofthecrewanditsultimateeffectarenotappreciated.
15.Automation（）
A. helpswithunusualandunexpectedsituations.
B. mayresultinapilotbeingunawareofimportantinformationwhendealingwithanunusualandunexpectedsituation.
C. increasesreactiontimewhendealingwithunusualandunexpectedsituations.
16.Automationcanresultin（）
A. lackofinformationbeingpassedbetweencrewmembers.
B. toomuchinformationbeingpassedbetweencrewmembers.
C. confusedinformationbeingpassedbetweencrewmembers.
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