网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
A Class S EPIRB is a（）.
A
submarine EPIRB
B
safety EPIRB
C
ship EPIRB
D
survival craft EPIRB
参考答案
参考解析
解析：
暂无解析
更多 “单选题A Class S EPIRB is a（）.A submarine EPIRBB safety EPIRBC ship EPIRBD survival craft EPIRB” 相关考题
考题
public class Something {void doSomething () {private String s = "";int l = s.length();}}有错吗?
考题
（ 33 ） 创建一个名为 student 的新类 ， 保存新类的类库名称是 mylib, 新类的 父 类是 P erson, 正确的命令是A ） CREATE CLASS mylib OF student A s P ersonB ） CREATE CLASS student OF P erson A s mylibC ） CREATE CLASS student OF mylib A s P ersonD ） CREATE CLASS P erson OF mylib A s student
考题
Which step should be taken，if possible，when the vessel must be abandoned because of a distress situation ________．A.Alert the Coast Guard by using the survival craft's portable INMARSAT unitB.Program the SART and EPIRB to transmit the vessel's location and situationC.Place the SART and EPIRB in the“ON”position and secure them to the survival craftD.No additional steps are needed as the SART and EPIRB will both automatically float free and operate properly
考题
class A { A（） { } } class B extends A { } Which two statements are true？（）A、 Class B’s constructor is public.B、 Class B’s constructor has no arguments.C、 Class B’s constructor includes a call to this（）.D、 Class B’s constructor includes a call to super（）.
考题
Which two allow the class Thing to be instantiated using new Thing（）？A、 public class Thing { }B、 public class Thing { public Thing（） {} }C、 public class Thing { public Thing（void） {} }D、 public class Thing { public Thing（String s） {} }E、 public class Thing { public void Thing（） {} public Thing（String s） {} }
考题
class Mineral { static String shiny（） { return "1"； } } class Granite extends Mineral { public static void main（String [] args） { String s = shiny（） + getShiny（）； s = s + super.shiny（）； System.out.println（s）； } static String getShiny（） { return shiny（）； } } 结果为：（） A、3B、12C、111D、编译失败
考题
COSPAS-SARSAT系统中，遇险船的位置由（）决定A、与之相接的GPSB、S-EPIRB发出的121.5MHZ信号产生的多普勒频移植C、S-EPIRB发出的406MHZ信号产生的多普勒频移植
考题
COSPAS/SARSAT卫星系统中，遇难船的位置是由（）决定A、与之相接的GPSB、S-EPIRB发射的121.5MHZ信号产生的多普勒频移C、S-EPIRB发射的406MHZ信号产生德尔多普勒频移D、B+C
考题
有关EPIRB的说法是不正确的是（）A、EPIRB是船舶遇险时的主要报警设备B、EPIRB是船舶遇险时的辅助报警设备C、EPIRB报警称为船对岸的报警D、EPIRB报警后与RCC的通信称为遇险通信
考题
单选题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 signalB
the Morse Code signal for SOSC
a computerized voice announcement of MaydayD
your vessel's International Radio Call Sign
考题
多选题class A { A（） { } } class B extends A { } Which two statements are true？（）AClass B’s constructor is public.BClass B’s constructor has no arguments.CClass B’s constructor includes a call to this（）.DClass B’s constructor includes a call to super（）.
考题
单选题CATEGORY A EPIRB’s transmit on frequencies that are monitored by（）.A
orbiting satellites in spaceB
commercial radio stationsC
private，commercial，and military aircraftD
ordinary radio stations
考题
多选题Which two allow the class Thing to be instantiated using new Thing（）？Apublic class Thing { }Bpublic class Thing { public Thing（） {} }Cpublic class Thing { public Thing（void） {} }Dpublic class Thing { public Thing（String s） {} }Epublic class Thing { public void Thing（） {} public Thing（String s） {} }
考题
单选题The vessel’s Emergency Position Indicating Radio beacon (EPIRB) must be tested（）.A
weeklyB
monthlyC
every 2 monthsD
every 3 months
考题
单选题The difference between a class A and a class B EPIRB is that the class A EPIRB（）.A
operates on both military and civilian aircraft distress frequenciesB
transmits both an alerting signal and a homing signalC
must be the float free type and automatically activatedD
operates with a greater output of signal power
考题
多选题public class Parent { public int addValue（ int a， int b） { int s； s = a+b； return s； } } class Child extends Parent { } Which methods can be added into class Child？（）Aint addValue（ int a， int b ）{// do something...}Bpublic void addValue （）{// do something...}Cpublic int addValue（ int a ）{// do something...}Dpublic int addValue（ int a， int b ）throws MyException {//do something...}
考题
单选题All self-propelled vessels on an international voyage must be equipped with how many Emergency Position Indicating Radio beacons (EPIRB)? （）A
One approved Category 1 EPIRBB
Three approved Category 1 EPIRBsC
One approved Class B EPIRBD
Two approved Class B EPIRBs
考题
单选题All self-propelled vessels on an international voyage must be equipped with how many Emergency Position Indicating Radiobeacons (EPIRB)（）?A
One approved Class A EPIRBB
Two approved Class A EPIRBsC
One approved Class B EPIRBsD
Two approved Class B EPIRBs
考题
单选题A Class A EPIRB is NOT（）.A
approved by the CCSB
designed for float free，automatic activationC
operated on 121.5/243 MHzD
operated manually
考题
单选题Each Class A EPIRB shall be stowed in a manner which will permit（）.A
easy access to its storage compartmentB
replacement of the battery without exposure to the weatherC
it to float free if the vessel sinksD
it to remain attached to the vessel
考题
单选题Which step should be taken，if possible，when the vessel must be abandoned because of a distress situation（）.A
Alert the Coast Guard by using the survival craft's portable INMARSAT unitB
Program the SART and EPIRB to transmit the vessel's location and situationC
Place the SART and EPIRB in the“ON”position and secure them to the survival craftD
No additional steps are needed as the SART and EPIRB will both automatically float free and operate properly
热门标签
最新试卷