made only of wire rope，due to possible weather conditions
that will have the tow on a crest while your vessel is in a trough
that will have the tow on a crest while your vessel is on a crest
with little dip to gain maximum control of the tow
第1题：
A mobile offshore drilling unit under tow is approaching a fog bank. When should fog signals be started?
A.When the towing vessel enters the fog
B.When the drilling rig enters the fog
C.When the towing vessel can no longer be seen from the rig
D.Immediately
第2题：
While underway and towing an unmanned tank barge you are required to ______.
A.maintain a strict watch on the barge from the towing vessel
B.fly a red flag from the towing vessel
C.open the tops of all empty tanks on the barge
D.take hourly soundings of any loaded tanks on the barge
第3题：
It's unwise for you to use "open" cheques when paying your telephone bills.
A．Right
B．Wrong
C．Doesn't say
第4题：
One of the most important characteristics of OSPF is Multiple areas. Which statement best describes why this feature is such an important enhancement to earlier routing protocols?（）
第5题：
Generally, when lifting an inflatable life raft back aboard ship you would use the ______.
A.towing bridle
B.main weather cover
C.external lifelines
D.righting strap
第6题：
A tug is best positioned for towing and maneuvering on rivers and other restricted waters where wave action is limited when ______.
A.directly astern and pushing the tow
B.towing on a hawser
C.towing alongside and parallel to the vessel it is towing
D.towing on the hip
第7题：
A chain bridle is used when towing astern because it ______.
A.is easy to connect
B.provides an effective catenary and absorbs shock due to its weight
C.makes rigging a swivel unnecessary
D.prevents the tow from yawing by the drag of the chains in a seaway
第8题：
A. The user has dropped an important table that needs to be recovered.
B. The database files are corrupted when the database is open.
C. You are not able to start up the database instance because the required database files are missing.
D. The archived log files are missing for which backup is not available.
第9题：
It is not advisable to use nylon for alongside towing because it ______.
A.is too expensive for everyday towing usage
B.binds on the cleats
C.parts too readily
D.stretches too much
第10题：
In which scenario will you use the Flashback Transaction Query feature？（）