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已知语句“short t=640;”是正确的,语句“short t=640000;”也是正确的
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String s=”Example String”; 下面哪些语句是正确的?()
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单选题When two vessels are in sight of one another and NOT in or near an area of restricted visibility,any of the following signals may be given EXCEPT().A
a light signal of at least five short and rapid flashesB
one prolonged,one short,one prolonged,and one short whistle blastsC
four short whistle blastsD
two short whistle blasts
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