Milk is good ___________ you. [ ]
A. to
B. for
C. at
答案:B
治疗里热实证之热厥可选用()
A.四逆散
B.大承气汤
C.安宫牛黄丸
D.苏合香丸
E.白虎汤
请完成下列Java程序:创建一个进度条,可以控制其开始和暂停。要求进度条与线程关联,由线程控制,点击开始按钮开始进度条的滚动,点击停止按钮,暂停,继续点击开始按钮则继续进行。 注意:请勿改动main()主方法和其他已有的语句内容,仅在横线处填入适当的语句。import javax.swing.*;import javax.swing.event.*;import java.awt.*;import java.awt.event.*;public class ex15_2 extends JPanel ThreadProg thProgress; JProgressBar jPb;//声明一个进程条对象 static JFrame jf; public ex15_2() setLayout(new BorderLayout()); jPb=new JProgressBar(); add(jpb,"Center"); JPanel btnPanel=new JPanel(); JButton btnStart=new JButton("开始"); btnPanel.add(btnStart); btnStart.addActionListener(new ActionListener() public void actionPerformed(ActionEvent ae) __________; ); JButton btnStop=new JButton("停止"); btnPanel.add(btnStop); btnStop.addActionListener(new ActionListener() public void actionPerformed(ActionEvent ae) __________; ); add(btnPanel,BorderLayout.SOUTH); public void startProgress() if(thProgress==null||!thProgress.isAlive()) thProgress=new ThreadProg(jpb); thProgress.start(); public void stopProgress() thProgress.setStop(true); public static VOid main(String args[]) jf=new JPrame("ex15_2"); ex15_2 obj15_2=new ex15_2(); jf.getContentPane().add("Center",obj15_2); jf.setSize(250,80); jf.addWindowListener(new WindowAdapter()pubhc void windowClosing(WindowEvent we)System.exit(0););jf.setVisible(true); class ThreadProg extends Thread private JProgressBar jpb; private boolean bStop=false; private boolean bAlive=false; pubhc ThreadProg(JProgressBar jpb) this.jpb=jpb; public VOid setStop(boolean b)bStop=b; public void run()int min=0;int max=60;jpb.setMinimum(min);jpb.setMaximum(max);jpb.setValue(min);for(int x=min;x<=max;x++) if(bStop) break; else jpb.setValue(x); try Thread.sleep(150); catch(InterruptedException e) bAlive=false;