以下程序的运行结果是______ abstract class class1{abstract void method1();}class class2 extends class1{public void method1(){ System.out.println("子类");}｝public class MainClass{public static void main(String args[]){class1 ac=new class2();ac.method1();}}

abstract class BaseClass { public virtual void MethodA() { } public virtual void MethodB() { } } class Class1: BaseClass { public void MethodA(string arg){ } public override void MethodB(){ } } class Class2: Class1 { new public void MethodB(){ } } class MainClass { public static void Main(string[] args) { Class2 o = new Class2(); Console.WriteLine(o.MethodA()); } } 请问，o.MethodA调用的是 A: BaseClass.MethodA B: Class2.MethodA C: Class1.MethodA D: 都不是

There are _______ girls in Class 2 than in Class 4.

把用户JECK用户加入到组class2,命令为#______ 。

Python语句print(type(1/2))的输出结果是()。 A: <;class ‘int’>; B: <;class ‘number’>; C: <;class ‘float’>; D: <;class ‘double’>;

若运行时输入：2,则以下程序的运行结果是 #include void main(void) {char class; printf("Enter 1 for 1st class post or 2 for 2nd post"); scanf("%c",&class); if (class=='1') printf("1st class postage is 19p"); else printf("2nd class postage is 14p"); 。 ） }

蓝牙通信距离包含三个等级分别是？ A: class 1 10米 B: class 1 100米 C: class 2 10米 D: class 3 2-3米

There are ___ many legue members in class 2 ____ in Class 4. A: both; and B: so; that C: either; or D: as; as

I’m in Class 3,Grade 2,  _______________ ?

How much will be charged for the excess baggage? A: by 0.5% of an adult economy class (Y class) fare per kilo B: by 1% of an adult economy class (Y class) fare per kilo C: by 1.5% of an adult economy class (Y class) fare per kilo D: by 2% of an adult economy class (Y class) fare per kilo