问题
选择题
Sam enjoys _____ stamps. And now he has 226 of them.
[ ]
A. to collect
B. collected
C. collects
D. collecting
答案
答案：D
搜题请搜索小程序“爱下问搜题”
Sam enjoys _____ stamps. And now he has 226 of them.
[ ]
A. to collect
B. collected
C. collects
D. collecting
答案：D
import java.awt.*; import java.applet.*; import java.lang.*; public class ex30 3 extends Applet{ private TextField tf; private Button btn; public void init(){tf = new TextField(25);add(tf);btn = new Button("OK");add(btn);resize(250, 200); } public void paint(Graphics g){ try{ int n = tf.getText(); int i,j,x=20,y=60; for(i=0;i＜n;i++){ for (j=1; j＜=n; j++) {g.drawString(Integer.toString(i)+"*"+Integer.toString(j)+"="+Integer.toString(i*j),i*x,j*y); } } } catch(NumberFormatException nfe){ g.drawString("error number!",20,50); } } public boolean action(Event e, Object o){ if (o == "OK"){ repaint(); return true; } else return false; } } ex30_3.html ＜HTML＞ ＜HEAD＞ ＜TITLE＞ex30_3＜/TITLE＞ ＜/HEAD＞ ＜BODY＞ ＜applet code="ex30_3.class" width=800 height=400 ＞ ＜/applet＞ ＜/BODY＞ ＜/HTML＞