operates on both military and civilian aircraft distress frequencies
transmits both an alerting signal and a homing signal
must be the float free type and automatically activated
operates with a greater output of signal power
第1题:
下面程序输出的结果为 #include"iostream.h" class A { public: A(){cout<<"CLASSA"<<endl;} ~A() {} }; class B:public A { public: B(){cout<<"CLASSB"<<endl;} ~B() {} }; void main() { A * p; p=new B; B *q; q=new B; }
A.CLASS A CLASS B
B.CLASS A CLASS B CLASS B
C.CLASS A CLASS B CLASS A CLASS B
D.CLASS A CLASS B CLASS B CLASS B
第2题:
Talk about the difference between an Abstract class and an Interface.
第3题:
The difference between “gentlemaninwaiting” and “journeyman” is that .
[A] education trained gentlemaninwaiting to climb higher ladders
[B] journeyman was ready to take whatever was given to him
[C] gentlemaninwaiting belonged to a fixed and high social class
[D] journeyman could do practically nothing without education
第4题:
下面程序输出的结果为( )。 #inClUde”iostream.h” Class A {public: A(){cout<<“CLASS A”<<endl;} ~A()<)}; class B:public A {public: B(){cout<<”CLASSB”<<endl;} ~B(){}}; void main() {A*p; p=new B; B *q; q=new B;}
A.CLASS A CLASS B
B.CLASS A CLASS B CLASS B
C.CLASS A ClASS B
D.CLASS A CLASS B CLASS A CLASS B CLASS B CLASS B
第5题:
What’s the difference between an interface and abstract class?
(接口与抽象类有什么区别)
第6题:
下面程序输出的结果为
#include"iostream.h"
class A
{
public:
A( ){cout<<"CLASS A"<<endl;}
~A( ){}
};
class B:public A
{
public:
B( ){cout<<"CLASS B"<<endl;}
~B( ){}
};
void main( )
{
A*p;
p=new B;
B *q;
q=new B;
}
A.CLASS A CLASS B
B.CLASS A CLASS B CLASS B
C.CLASS A CLASS B CLASS A CLASS B
D.CLASS A CLASS B CLASS B CLASS B
第7题:
下面程序输出的结果为 #include"iostream.h” class A { public: A(){cout<<"CLASSA"<<endl;} ~A() {} }; class B:public A { public: B(){cout<<"CLASS B"<<endl;} ~B(){} }; void main() { A*p; p=new B;
A.CLASS A CLASS B CLASS B CLASS B
B.CLASS A CLASS B CLASS A CLASS B
C.CLASS A CLASS B CLASS B
D.CLASS A CLASS B
第8题:
Class 2两类基本过程的主要区别是,『____』基本过程没有响应,『____』基本过程有响应。(The main difference between class1 and class2 is that there is no response for『____』,but『____』has response.)
第9题:
a)Can a struct inherit from another struct?
(结构体能继承结构体吗)
b)Can a struct inherit from another class?
(结构体能继承类吗)
c)Can a struct be the base of another class?
(结构体可以作为一个类的基类吗)
d)Can a struct implement an interface?
(结构体可以实现一个接口吗)
e)What’s the difference between struct and class?
(结构体与类有什么区别)
第10题:
下面程序输出的结果为 #include" iostream.h" class A { public: A( ) { cout < < "CLASS A" < < end1;} ~ A( ) { } }; class B:public A { public: B( ){ cout < < "CLASS B" < < end1;} ~ B( ) { } }; void main( ) { A * p; p=new B; B * q;
A.CLASS A CLASS B
B.CLASS A CLASS B CLASS B
C.CLASS A CLASS B CLASS A CLASS B
D.CLASS A CLASS B CLASS B CLASS B