package{		import flash.display.MovieClip;	import fl.controls.*;	import flash.text.TextField;	import flash.events.*;	public class RadioButtonMain extends MovieClip	{		private var radio1:RadioButton;		private var radio2:RadioButton;		private var radio3:RadioButton;		private var radio4:RadioButton;		private var radio5:RadioButton;		private var radio6:RadioButton;		private var radio7:RadioButton;		private var radio8:RadioButton;		private var radio9:RadioButton;		private var radio10:RadioButton;		private var radio11:RadioButton;		private var radio12:RadioButton;		private var radio13:RadioButton;		private var radio14:RadioButton;		private var radio15:RadioButton;		private var radio16:RadioButton;		private var Button_tj:Button;		private var zu1:RadioButtonGroup;		private var zu2:RadioButtonGroup;		private var zu3:RadioButtonGroup;		private var zu4:RadioButtonGroup;		private var tf1:TextField;		private var tf2:TextField;		private var tf3:TextField;		private var tf4:TextField;		private var tf5:TextField;		private var tf6:TextField;		private var tf7:TextField;		private var tf8:TextField;		private var tf9:TextField;		private var tf10:TextField;		private var tf11:TextField;		private var tf12:TextField;		private var tf13:TextField;		private var tf14:TextField;		private var tf15:TextField;		private var tf16:TextField;		private var tf17:TextField;		private var tf18:TextField;		private var tf19:TextField;		private var tf20:TextField;		private var tf21:TextField;		private var tf22:TextField;		private var tffs:TextField;		public function RadioButtonMain() 		{			radio1=new RadioButton();			radio2=new RadioButton();			radio3=new RadioButton();			radio4=new RadioButton();			radio5=new RadioButton();			radio6=new RadioButton();			radio7=new RadioButton();			radio8=new RadioButton();			radio9=new RadioButton();			radio10=new RadioButton();			radio11=new RadioButton();			radio12=new RadioButton();			radio13=new RadioButton();			radio14=new RadioButton();			radio15=new RadioButton();			radio16=new RadioButton();			Button_tj = new Button();			zu1=new RadioButtonGroup("1");			zu2=new RadioButtonGroup("2");			zu3=new RadioButtonGroup("3");			zu4=new RadioButtonGroup("4");			Button_tj.addEventListener(MouseEvent.CLICK,onClickHandler);			tf1 = new TextField();			tf1.text = "一：单选题";			tf1.x = 30;			tf1.y = 10;			tf1.width = 100;			addChild(tf1);						tf2 = new TextField();			tf2.text = "请选择以下正确的陈述：";			tf2.x = 30;			tf2.y = 30;			tf2.width = 200;			addChild(tf2);						tf3 = new TextField();	/*对*/  tf3.text = "ActionScript3.0的运行环境是AVM2";			tf3.x = 60;			tf3.y = 52;			tf3.width = 200;			addChild(tf3);						tf4 = new TextField();			tf4.text = "ActionScript3.0的运行环境是JVM";			tf4.x = 60;			tf4.y = 72;			tf4.width = 200;			addChild(tf4);						tf5 = new TextField();			tf5.text = "MovieClip类是display类的子类";			tf5.x = 60;			tf5.y = 92;			tf5.width = 200;			addChild(tf5);						tf6 = new TextField();			tf6.text = "Sprite类是MovieClip类的子类";			tf6.x = 60;			tf6.y = 112;			tf6.width = 200;			addChild(tf6);						tf7 = new TextField();			tf7.text = "下列对类的继承关系描述错误的是：";			tf7.x = 30;			tf7.y = 132;			tf7.width = 200;			addChild(tf7);						tf8 = new TextField();			tf8.text = "Bitmap -> DisplayObject -> EventDispatcher -> Object";			tf8.x = 60;			tf8.y = 152;			tf8.width = 400;			addChild(tf8);						tf9 = new TextField();	/*错*/  tf9.text = "Shape -> Sprite -> DisplayObject -> EventDispatcher";			tf9.x = 60;			tf9.y = 172;			tf9.width = 400;			addChild(tf9);						tf10 = new TextField();			tf10.text = "Graphics-> Object";			tf10.x = 60;			tf10.y = 192;			tf10.width = 400;			addChild(tf10);						tf11 = new TextField();			tf11.text = "Label -> UIComponent -> Sprite -> DisplayObject";			tf11.x = 60;			tf11.y = 212;			tf11.width = 400;			addChild(tf11);						tf13 = new TextField();			tf13.text = "以下哪个类不在flash.display包中";			tf13.x = 30;			tf13.y = 252;			tf13.width = 400;			addChild(tf13);						tf14 = new TextField();	/*对*/  tf14.text = "Event";			tf14.x = 60;			tf14.y = 272;			tf14.width = 400;   			addChild(tf14);						tf15 = new TextField();            tf15.text = "SimpleButton";			tf15.x = 60;			tf15.y = 292;			tf15.width = 400;			addChild(tf15);						tf16 = new TextField();			tf16.text = "Rectagle";			tf16.x = 60;			tf16.y = 312;			tf16.width = 400;			addChild(tf16);						tf17 = new TextField();            tf17.text = "BitmapData";			tf17.x = 60;			tf17.y = 332;			tf17.width = 400;			addChild(tf17);						tf18 = new TextField();			tf18.text = "下列对类的继承关系描述正确的是：";			tf18.x = 30;			tf18.y = 352;			tf18.width = 400;			addChild(tf18);						tf19 = new TextField(); /*对*/      tf19.text = "Bitmap -> DisplayObject -> EventDispatcher -> Object";			tf19.x = 60;			tf19.y = 372;			tf19.width = 400;			addChild(tf19);						tf20 = new TextField();			tf20.text = "Shape -> Sprite -> DisplayObject -> EventDispatcher";			tf20.x = 60;			tf20.y = 392;			tf20.width = 400;			addChild(tf20);						tf21 = new TextField();            tf21.text = "Graphics-> Event";			tf21.x = 60;			tf21.y = 412;			tf21.width = 400;			addChild(tf21);						tf22 = new TextField();	        tf22.text = "TextField -> UIComponent -> Sprite -> DisplayObject";			tf22.x = 60;			tf22.y = 432;			tf22.width = 400;			addChild(tf22);						tffs = new TextField();			tffs.text = "";			tffs.x = 250;			tffs.y = 462;			tffs.width = 88;			tffs.height = 33;			tffs.border = true;			addChild(tffs);						radio1.move(30,50);			radio2.move(30,70);			radio3.move(30,90);			radio4.move(30,110);			radio5.move(30,150);			radio6.move(30,170);			radio7.move(30,190);			radio8.move(30,210);			radio9.move(30,270);			radio10.move(30,290);			radio11.move(30,310);			radio12.move(30,330);			radio13.move(30,370);			radio14.move(30,390);			radio15.move(30,410);			radio16.move(30,430);			Button_tj.move(66,462);			radio1.label = "";			radio2.label = "";			radio3.label = "";			radio4.label = "";			radio5.label = "";			radio6.label = "";			radio7.label = "";			radio8.label = "";			radio9.label = "";			radio10.label = "";			radio11.label = "";			radio12.label = "";			radio13.label = "";			radio14.label = "";			radio15.label = "";			radio16.label = "";			Button_tj.width = 66;			Button_tj.height = 33;			Button_tj.label = "提交";			addChild(radio1);            addChild(radio2);			addChild(radio3);			addChild(radio4);			addChild(radio5);            addChild(radio6);			addChild(radio7);			addChild(radio8);			addChild(radio9);            addChild(radio10);			addChild(radio11);			addChild(radio12);			addChild(radio13);            addChild(radio14);			addChild(radio15);			addChild(radio16);			addChild(Button_tj);						zu1.addRadioButton(radio1);			zu1.addRadioButton(radio2);			zu1.addRadioButton(radio3);			zu1.addRadioButton(radio4);						zu2.addRadioButton(radio5);			zu2.addRadioButton(radio6);			zu2.addRadioButton(radio7);			zu2.addRadioButton(radio8);						zu3.addRadioButton(radio9);			zu3.addRadioButton(radio10);			zu3.addRadioButton(radio11);			zu3.addRadioButton(radio12);						zu4.addRadioButton(radio13);			zu4.addRadioButton(radio14);			zu4.addRadioButton(radio15);			zu4.addRadioButton(radio16);						zu1.addEventListener(Event.CHANGE,onChange1Handler);			zu2.addEventListener(Event.CHANGE,onChange2Handler);			zu3.addEventListener(Event.CHANGE,onChange3Handler);			zu4.addEventListener(Event.CHANGE,onChange4Handler);		}		private function onChange1Handler(e):void		{			var rg:RadioButtonGroup = e.target as RadioButtonGroup;			switch (rg.selection)			{				case radio1 :					break;				case radio2 :					break;				case radio3 :					break;				case radio4 :					break;			}		}		private function onChange2Handler(e):void		{			var rg1:RadioButtonGroup = e.target as RadioButtonGroup;			switch (rg1.selection)			{				case radio5 :					break;				case radio6 :					break;				case radio7 :					break;				case radio8 :					break;			}		}		private function onChange3Handler(e):void		{			var rg2:RadioButtonGroup = e.target as RadioButtonGroup;			switch (rg2.selection)			{				case radio9 :					break;				case radio10 :					break;				case radio11 :					break;				case radio12 :					break;			}		}		private function onChange4Handler(e):void		{			var rg3:RadioButtonGroup = e.target as RadioButtonGroup;			switch (rg3.selection)			{				case radio13 :					break;				case radio14 :					break;				case radio15 :					break;				case radio16 :					break;			}		}		private function onClickHandler(e:MouseEvent):void		{			var fen:uint;			var fen1:uint;			var fen2:uint;			var fen3:uint;			var fen4:uint;			if(radio1.selected  == true)			{				fen1 = 25;			}			else			{				fen1 = 0;			}			if(radio6.selected  == true)			{				fen2 = 25;			}			else			{				fen2 = 0;			}			if(radio9.selected  == true)			{				fen3 = 25;			}			else			{				fen3 = 0;			}			if(radio13.selected  == true)			{				fen4 = 25;			}			else			{				fen4 = 0;			}			trace(fen1);			trace(fen2);			trace(fen3);			trace(fen4);			fen = fen1+fen2+fen3+fen4;			trace(fen);			tffs.text = String(fen);		}	}}

　　附带判断得分程序。