Only when one is ______ of one's getting behind is one more likely to catch up.

When loading a tanker，you should ______．

A.load only one tank at a time

B.keep the seamen on watch on standby in the mess room

C.keep a strain on the loading hoses

D.close valves by closing them down，reopening one or two turns，and re-closing

A.Zero

B.Only one

C.Quite a lot

D.Two

A.ran into

B.went up

C.looked after

D.came to

A.Requires only one tunnel switching license.

B.Requires two licenses, one for inbound and one for outbound sessions.

C.Enabled automatically when the BSR is configured as an LAC and LNS.

D.Aids in L2TP tunnel scaling.

A.helped about

B.helped up

C.helped with

D.helped out

A.A physical partition is hosted on one or more logical partitions. A logical partition is used when describing storage.

B.A logical partition is hosted on one or more physical partitions. A physical partition is used when describing storage.

C.A physical partition is used when describing only a SCSI or SAS disk. A logical partition is used when describing a SAN LUN.

D.A logical partition is used when describing only a SATA or SAS disk. A physical partition is used when describing RAID or mirrored arrays.

A、if

B、the more

C、one

D、only when