When testing a Class A EPIRB you will know the EPIRB is working properly if you hear on 99.5 Mhz FM or any vacant frequency on a nearby AM radio（）.

A、a distinctive signal

B、the Morse Code signal for SOS

C、a computerized voice announcement of Mayday

D、your vessel's International Radio Call Sign

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更多“When testing a Class A EPIRB you will know the EPIRB is working properly if you hear on 99.5 Mhz FM or any vacant frequency on a nearby AM radio（）.”相关的问题

第1题

[单选题] package test； class Target{ public String name="hello"； } What can directly access and change the value of the variable name？（）

A、any class B、only the Target class C、any class in the test package D、any class that extends Target

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第2题

[单选题] You are developing a Windows Presentation Foundation (WPF) application. You are implementing a test strategy for the application. You need to ensure that the test class can repeat user input. From which base class should the test class inherit?（）

A、AutomationElementIdentifier B、AutomationPeer C、Keyboard D、UICues

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第3题

[判断题] 一个Applet编译后的类名是Test.class，运行此小程序的命令是Java Test。

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第4题

[单选题] 1.public class Test{ 2.int x=12； 3.public void method（intx）{ 4.x+=x； 5.System.out.println（x）； 6.} 7.} Given： 34.Test t=new Test（）； 35.t.method（5）； What is the output from line 5 of the Test class？（）

A、5 B、10 C、12 D、17 E、24

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第5题

[单选题] 以下各项中，（）正确阐述明了向applet中加入参数的方法。

A、〈applet code=Test.class age=33 wid=33 width=100 height=100〉 B、〈param name=age value=33〉 C、〈applet code=Test.class name=age value=33 wideth=100 height=100〉 D、〈applet Test 33〉

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第6题

[单选题] package test1； public class Test1 { static int x = 42； } package test2； public class Test2 extends test1.Test1 { public static void main（String[] args） { System.out.println（“x = “ + x）； } } What is the result？（）

A、 x = 0 B、 x = 42 C、 Compilation fails because of an error in line 2 of class Test2. D、 Compilation fails because of an error in line 3 of class Test1. E、 Compilation fails because of an error in line 4 of class Test2.

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第7题

[单选题] What is NOT a requirement for testing the line throwing appliance on a vessel? （）

A、The appliance should be tested every three months B、A regular service line should be used when testing C、A regular projectile should be used when testing D、An entry about the test must be made in the Official Log Book