题目内容

Which statement is not tree

A. Bush met Iraqi Prime Minister on Friday.
Brzezinski is a member of Republican Party.
C. American people have no much confidence in the war in Iraq.
D. Bush believed that the future would be tough.

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本题的功能是定义自己的组件类。窗口中排布着12个按钮，鼠标移动按钮时，按钮背景颜色改变，用鼠标单击按钮时，后台将显示该按钮对应的字符。 import java.awt.; import java.awt.event.; import java.util.; class java3 extends Frame String keys="1234567890#"; java3() super("java3"); addWindowListener(new WindowAdapter() public void windowClosing(WindowEvent e) System.exit(0); ); setLayout(new GridLayout(4,3,6,6)); for(int i=0;i＜keyslength;i++)) KeyButton kb=new KeyButton(keys.charAt(i)); kb.addkeyListener(this); kb.setBackground(C010r.pink); kb.setForeground(Color.black); add(kb); setSize(200,200); show(); class KeyEVentHandler extends KeyAdapter public void keyTyped(KeyEvent evt) System.out.println(evt,getChar()); public static void main(String[]args) new java3(); class KeyButton extends Component KeyListener keyListener; boolean highlighted; char key; KeyButton(char k) this.key=k; addMouseListener(new MouseEventHandler()); public void paint(Graphics g) int w=getSize().width; int h=getSize().height; String s=""+key; FontMetrics fm=g.getFontMetrics(); if(highlighted) g.setColor(getBackground()); g.fillRoundRect(0,0,w-1,h-1,10,10); g.setColor(getForeground()); g.drawR0undRect(O，0，w一1，h一1，10，10)： g.drawString(s,(w-fm.stringWidth(s))/2, (h-fm.getHeight())/2+fm.getAscent()); class MouseEventHandler extends MouseAdapter public void mousePressed(MouseEvent evt) if(keyListener!=null) keyListener.keyTyped new KeyEvent(KeyButton.this,KeyEvent.KEYTYPED, System.currentTimeMillis(), 0,KeyEvent.VK_UNDEFINED,key)); public void mouseEntered(MouseEvent evt) highlighted=true; repaint(); public void mouseExited(MouseEvent evt) highlighted=false; repaint(); public synchronized void addKeyListener(KeyLis-tener 1) keyListener=AWTEventMulticaster.add(key-Listener,1)； public synchronized void removeKeyListener(Key-Listener 1) keyLstener=AWTEventMulticaster.remove (keyListener,1);

男性，48岁，打牌时突感头痛、颈部僵硬。CT示脑池内高密度影，正确的诊断是

A. 脑血栓形成
B. 脑栓塞
C. 蛛网膜下腔出血
D. 脑出血
E. 短暂性脑出血

若有定义：“int a=10, b=9, c=8；”接着顺序执行下列语句后，变量b中的值是______。 c=(a-=(b-5)); c=(a%11)+(b=3);

青霉素的不良反应是

A. 胃肠道反应
B. 二重感染
C. 对第8对脑神经损害
D. 肾损害
E. 过敏性休克