设a=2，b=3，c=4，d=5，下列表达式的值是（ ）。 3>2*b Or a=c And bc Or ba+c

Virus Security Software is designed to detect, eliminate or quarantine computer viruses before they are able to harm a computer or server networked system.

设t=2，b=3，c=4，d=5，则下面语句输出的是（ ）。 Print3>2*b Or a=c And b<>c Or c>d

设a2，b=3，c=4，d=5，则下面语句的输出是Print 3>2*b Or a=c And b<>c Or c>d

设t=2，b=3，c=4，d=5，则下面语句输出的是（ ）。 Print3>2*b Or a=c And bc Or c>d

设a=2，b=3，c=4，d=5，下列表达式的值是（ ）。 3>2*b Or a=c And b<>c Or b<>a+c

If necessary to avoid collision or allow more time to（）the situation，a vessel shall slacken her speed or take all way off by stopping or reversing her means of propulsion．

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

During counterflooding to correct a severe list or trim aggravated by an off-center load，a ship suddenly takes a list or trim to the opposite side. You should（）.