45 minutes
1 hour and 15 minutes
1 hour and 30 minutes
2 hours
第1题:
通常情况下采用Ping包的方式测试Round Trip Delay(往返时延的总和),包括test laptop,和()设备()
A. user terminal
B.eNodeB
C.PDN GW
D.target server
第2题:
A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is ______.
A.from the ship's propeller when making up aft
B.from being overrun if making up forward
C.hull damage while alongside passing a hawser
D.getting in a tripping position
第3题:
A、of
B、in
C、to
D、on
第4题:
第5题:
The connected joints of pipe,usually made of three joints of pipe approximately 90 feet long,racked in the derrick when making a trip are called a ______.
A.String
B.Stand
C.Joint
D.Standpipe
第6题:
A、round/ old/ rosewood
B、rosewood/ old/ round
C、old/ round/ rosewood
D、old/ rosewood/ round
第7题:
A vessel not under command making way at night would show ______.
A.two all-round red lights in a vertical line
B.anchor lights and sidelights
C.two all-round white lights in a vertical line,sidelights and a stern light
D.two all-round red lights in a vertical line,sidelights,and a stern light
第8题:
27. If the X-43A goes round the earth,it will take about ________hours to finish the trip.
A.3
B.5
C.8
D.12
第9题:
第10题: