A．performanceB．securityC．satisfactionD．stability

The stability of a semisubmersible ship would be seriously reduced if flooding occurred in the （).

[A] variation [B] balance [C] frequency [D] stability

You may improve a vessels stability by _____.A.keeping the fuel tanks topped offB.increasi

【28】A．variationB．balanceC．frequencyD．stability

【C17】A．performanceB．introductionC．expressionD．behavior

______is the knowledge of the rules of an ideal speakers language.A．PerformanceB．CapacityC