hull cleaning
derusting and painting
the maintenance of boiler
docking and undocking
第1题:
A. Native IPv6
B. Point - to -point tunnels
C. Multipoint tunnels
D. NAT - PT
E. Dual stacks
第2题:
第3题:
A the student
B liked
C anidea
D the linguistic lecture
第4题:
第5题:
第6题:
第7题:
第8题:
Point out which one of the following items is not in the charge of Chief Officer in repairing operation. ______.
A.hull cleaning
B.derusting and painting
C.the maintenance of boiler
D.docking and undocking
第9题:
第10题:
Which one of the following items may be added to a password stored in MD5 to make it more secure?()