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1题：
A、very much expensive
B、too much more expensive
C、too much expensive
D、much too expensive
第2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3题：
此题为判断题(对，错)。
第4题：
A vessel brought alongside should be fended off the towing vessel by ______.
A.crew members using their arms
B.crew members using the strong muscles of their legs
C.fenders
D.No fending is necessary due to the rugged construction of most towing vessels
第5题：
The use of sinking and dispersing chemical agents for removal of surface oil is ______.
A.the most common method used in the United States
B.too expensive for common use
C.generally safe to sea life
D.authorized only with prior approval of the Federal On-Scene Coordinator
第6题：
One advantage of chain over wire rope for a tow bridle is that chain ______.
A.is better suited for inland towing
B.resists damage from chafing
C.handles more easily
D.equalizes towing forces better
第7题：
A chain bridle is preferable to a wire rope towing bridle on a long ocean tow because chain ______.
A.is more flexible and has the ability to absorb shock because of its weight
B.is less subject to wear and damage from abrasion
C.requires little maintenance
D.All of the above
第8题：
What caused the blackout in July 1977?
A. During a storm, lightning damaged cable.
B. Because of unemployment.
C. Heat waves had made people use too much electrical power.
D. Because the looters damaged the electricity supply.
34．答案为A 根据最后一段...when lightning hit and knocked out supply cables可知停电是由于闪电击中了供电电缆。
第9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10题：