【单选题】The boy doesn't speak _____ his sister, but his written work is very good. [ ]
【单选题】假设已经定义好了类Student,现在要定义类Derived,它是从Student类私有派生的,则定义Derived正确的写法是( )。
A.
class Derived:Student private{……};
B.
class Derived:Student{……};
C.
class Derived::Student{……};
D.
class Student: private Derived {……};
【判断题】化学反应是独立于反应器模块或塔模块的,不可以同时应用于多个模块中。
【简答题】根据首字母和汉语提示填入恰当的单词。 1. 'Show me your d____ license.' 'Here you are.' 2. The boy is so s____ that he falls asleep in class. 3. It's a very difficult dream to a . 4. Sbe tried to stop smoking, and she s_...
【简答题】Oh, boy! Time for a now. oldest brother is the seeker so k have to hide extra good because he’s smart and will find me quickly.But where? Behind the garage won’t work. The barn is too easy. Wait,...
【单选题】有如下接口和类定义:interface Info{String getInfo(int a, int b);}public abstract class Student implements Info{}以下可以在类Student中正确定义的方法有哪两项
A.
public String getInfo(int m, int n){…}
B.
public void getInfo(int m, int n){…}
C.
protected String getInfo(int m, int n){…}
D.
public abstract String getInfo(int c, int d);
【单选题】It was so quick and easy. A fourteen-year-old boy in Scottsdale, Arizona, put his $50 bill on a color copying machine. Within seconds he transformed $50 into $550, and he was ready to shop.Twenty year...
A.
most children above the age of 14 can fake money
B.
new high technology makes money faking easier
C.
anyone who has a computer can fake money
D.
casual faking machines are called casual for the reason that no skills and planning are required
【单选题】设有下面两个类的定义: class Person { int id; String name; } class Student extends Person { int score; int getScore() { return score; } } 请问类 Person和类Student的关系是( )。
【单选题】The little boy is only six years old, he can make good model cars. [ ]