单项选择题
听力原文:What's wrong with Tom?
(12)
A.He can't get down the tree.
B.He is wrong.
C.He's right.
A.He
B.
B.He
C.
C.He's
D.
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下面是一个Applet程序,其功能是通过两个文本框获得用户输入的两个数,按回车键计算这两个数的商。请改正程序中的错误(有下划线的语句),使程序能输出正确的结果。 源程序文件代码清单如下: import java.awt.*; import java.awt.Event.*; import java.applet.*; * <applet code='ex5_3.class'width=800 height=400> < applet> * public class ex5_3 extends Applet { private TextField tf1,tf2; private String strAnswer; public void init() { tf1=new TextField(20); add(tf1); tf2=new TextField(20); add(tf2); strAnswer='Undefined'; } public void paint(Graphics g) { Font f=new Font('TimesRoman',Font.PLAIN,20); g.setFont(f); g.drawstring('result:',80,100); g.drawstring(strAnswer,60,150); } public boolean action(Event e,Object o) { String s1=tf1.getText(); String s2=tf2.getText(); try { int n1=String.valueOf(s1); int n2=String.valueOf(s2); int ut=n1 n2; StrAnswer=Integer.parseInt(out); } catch(NumberFormatException nfe) { strAnswer='error number!'; } repaint(); return true; } } ex5_3.html <HTML> <HEAD> <TITLE>ex5_3< TITLE> < HEAD> <BODY> <applet code='ex5_3.class' width=800 height=400> < applet> < BODY> < HTML>
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单项选择题
听力原文:Where are his football socks?(13)A.It's under the desk.B.They are under the desk.C.Yes, they are.
A.It's
B.
B.They
C.
C.Yes,
D.
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