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Officers use sextants to observe （）.
- A、stars
- B、celestial bodies
- C、the sun
- D、the moon
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RMAN would use the control file of the target database to maintain the backup.C
RMAN would use the recovery catalog of the target database to maintain the backup.D
RMAN would use the control file of the target database to maintain the backup metadata. E
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Ship security officerB
Company security officerC
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functionsB
packagesC
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It can help capture the earliest events of the brain.B
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单选题Officers use sextants to observe （）.A
starsB
celestial bodiesC
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the moon
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