Our ______ kept the seas clear of enemy ships.

We were told that the plan must be kept a _ _ from our competitors.A. messageB.

[单选题]So sudden ________ that the enemy had no time to escape.A． did the attack B. the attack did C. was the attack D. the attack was

[单选题]When the ships is going to enter into the harborA．change from heavy fuel oil to diesel oil for main engineB．pumping out bilge waterC．change sea chest form high level one to lower level oneD．test emergency generator

[单选题]It is clear that ______.A．all the mice came out of the hole easilyB．each of the people understood the relationship differentlyC．the people wanted to kill the mice with smokeD．the people knew one of the mice was blind at first sight

[单选题]The enemy soldiers dropped bombs without aim and injured lots of civilians.A．at lengthB．in essenceC．in bulkD．at random

[单选题]Ocean transport use （）ships mostly.A . BulkB . ContainerC . BargeD . RO/RO

What type of oil is most suitable for reducing the effect of heavy seas?A. Crude

[单选题]It is not immediately clear _______ the financial crisis will soon be over.A． since B. what C. when D. whether

2．The seas store heat and ________ it gradually during cold periods.A. linkB. re

[单选题]They have the [capability]to destroy the enemy in a few days.A.possibilityB