A.while
B.that
C.which
D.when
第1题:
A.Retainthedatafilebackupfor7days.
B.Runtherecoverprocessevery7days.
C.Destroythephysicalbackupfilesevery7days.
D.Destroythephysicalbackupfilesolderthan7days.
E.Retainonebackupofeachdatafileforatleast7days.
F.Keepthecataloginformationinthecontrolfilefor7days.
第2题:
第3题:
八月被命名为August,是因为august表示“八”的意思。
第4题:
You are signing on a deck officer,who will be designated as one of the GMDSS operators,before sailing foreign.Which statement is TRUE ________.
A.He/she must have an STCW certificate endorsed as“Valid for Service on Vessels Operating in the GMDSS System”
B.He/she must present either an FCC-issued license or a Coast Guard-issued license
C.You must consult the“List of Qualifications”on the reverse of his/her FCC-issued license
D.His/her Merchant Mariners Document must have an added endorsement as “Radio Electronics Officer”
第5题: