• 2022-05-28
    Which circle does Korean English belong to?
    A: Inner Circle
    B: Outer Circle
    C: Expanding Circle
    D: None of the Circles
  • C

    内容

    • 0

      设Circle为已定义的类名,下列声明A类的对象c1的语句中正确的是( )。 A: float Circle c1; B: public Circle c1=Circle (); C: Circle c1=new int(); D: Circle c1=new Circle ();

    • 1

      需要在代码中引入circle包的area()函数,应该使用( )。 A: import circle and area B: from circle import area C: import circle's area D: import area from circle

    • 2

      关于turtle绘画库,下列选项中输出结果为半圆的是() A: circle(90) B: circle(180) C: circle(180,180) D: circle(180,steps=3)

    • 3

      有形状类Shape,子类圆类Circle。执行语句Shape s = new Circle();后, 以下哪个表达式能判断s是Circle的实例( ) A: s is Shape B: s instanceof Circle C: s.instanceof Circle D: s instanceof Shape

    • 4

      The author believes that a vicious circle can turn into a virtuous circle when ________.