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单选题
What are the right steps you should take when your hair or clothes catch fire?
A
Stop, run, roll.
B
Stop, drop, roll.
C
Run, drop, roll.
D
Roll, drop, stop
参考答案
参考解析
解析：
根据文章中的第八段“stop, drop, then roll”可知，着火后应该停下来，倒地滚动。故选项B正确。
根据文章中的第八段“stop, drop, then roll”可知，着火后应该停下来，倒地滚动。故选项B正确。
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单选题You are entering port and have been instructed to anchor，as your berth is not yet available.You are on a SW’ly heading，preparing to drop anchor，when you observe the range lights as shown on your starboard beam.You should（）.A
not drop the anchor until the lights are in lineB
ensure your ship will NOT block the channel or obstruct the range while at anchorC
drop the anchor immediately as the range lights mark an area free of obstructionsD
drop the anchor immediately as a change in the position of the range lights will be an indication of dragging anchor
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Use the DROP DATAFILE command.B
Use the DROP TABLESPACE command.C
Ensure that all database files are Oracle Managed Files before using the DROP TABLESPACE command.D
Ensure that the DB_FILE_CREATE_DEST initialization parameter is set before using the DROP TABLESPACE command.
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单选题The database is currently open and the temp03.dbf tempfile belonging to the default temporary tablespace TEMP has been corrupted. What steps should you take to recover from this tempfile loss in an efficient manner?（）A
Allow the database to continue running, drop the TEMP tablespace, and then re-create it with new tempfilesB
Shut down the database, restore and recover the tempfile from backup, and then open the database with RESETLOGSC
Allow the database to continue running, take the TEMP tablespace offline, drop the missing tempfile, and then create a new tempfileD
Allow the database to continue running, add a new tempfile to TEMP tablespace with a new name, and drop the tempfile that has been corrupted.
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